EASTERN MOUNTAINS AND PIEDMONT REGION - NWPL 2014 FINAL RATINGS User Notes: 1) Plant species not listed are considered UPL for wetland delineation purposes. 2) A few UPL species are listed because they are rated FACU or wetter in at least one Corps region.

Scientific Name Common Name Status Scientific Name Common Name Status Scientific Name Common Name Status

Abies balsamea Balsam Fir FAC Agrimonia gryposepala Tall Hairy Grooveburr FACU Amaranthus spinosus Spiny Amaranth FACU Abies fraseri Fraser's Fir FACU Agrimonia parviflora Harvestlice FACW Amaranthus tricolor Joseph's-Coat UPL Abutilon theophrasti Velvetleaf UPL Agrimonia rostellata Beaked Grooveburr FACU Amaranthus tuberculatus Rough-Fruit Amaranth FACW Acalypha gracilens Slender Three-Seed-Mercury FAC Agrimonia striata Woodland Grooveburr FACU Amaranthus viridis Slender Amaranth FAC Acalypha poiretii Poiret's Copperleaf FACU Agrostis canina Velvet Bent FACU Ambrosia artemisiifolia Annual Ragweed FACU Acalypha rhomboidea Common Three-Seed-Mercury FACU Agrostis capillaris Colonial Bent FAC Ambrosia psilostachya Perennial Ragweed FAC Acalypha virginica Virginia Three-Seed-Mercury FACU Agrostis elliottiana Elliott's Bent FACU Ambrosia trifida Great Ragweed FAC Acer negundo Ash-Leaf Maple FAC Agrostis exarata Spiked Bent FACW Amelanchier arborea Downy Service-Berry FAC Acer nigrum Black Maple FACU Agrostis gigantea Black Bent FACW Amelanchier bartramiana Oblong-Fruit Service-Berry FAC Acer pensylvanicum Striped Maple FACU Agrostis hyemalis Winter Bent FAC Amelanchier canadensis Canadian Service-Berry FAC Acer platanoides Norway Maple UPL Agrostis mertensii Northern Bent FACU Amelanchier intermedia Intermediate Service-Berry FACW Acer rubrum Red Maple FAC Agrostis perennans Upland Bent FACU Amelanchier nantucketensis Nantucket Service-Berry FACU Acer saccharinum Silver Maple FACW Agrostis scabra Rough Bent FAC Amelanchier spicata Running Service-Berry FACU Acer saccharum Sugar Maple FACU Agrostis stolonifera Spreading Bent FACW Amianthium muscitoxicum Flypoison FAC Acer spicatum Mountain Maple FACU Ailanthus altissima Tree-of-Heaven FACU Ammannia auriculata Eared Redstem OBL Achillea millefolium Common Yarrow FACU Aira caryophyllea Common Silver-Hair Grass FAC Ammannia coccinea Valley Redstem OBL Achillea ptarmica Pearl Yarrow FACU Aletris aurea Golden Colicroot FACW Ammannia latifolia Pink Redstem OBL Achyranthes aspera Devil's-Horsewhip UPL Aletris farinosa White Colicroot FAC Ammannia robusta Grand Redstem OBL Acmella repens Opposite-Leaf Spotflower FACW Aletris lutea Yellow Colicroot FACW Ammophila breviligulata American Beach Grass FACU Acmispon americanus American Deerweed FACU Alhagi maurorum Camelthorn FAC Ammoselinum butleri Butler's Sand-Parsley FAC Aconitum reclinatum Trailing White Monkshood FAC Alisma gramineum Narrow-Leaf Water-Plantain OBL Amorpha fruticosa False Indigo-Bush FACW Aconitum uncinatum Southern Blue Monkshood FAC Alisma subcordatum American Water-Plantain OBL Amorpha georgiana Georgia Indigo-Bush FACW Acorus americanus Several-Vein Sweetflag OBL Alisma triviale Northern Water-Plantain OBL Amorpha herbacea Cluster-Spike Indigo-Bush FAC Acorus calamus Single-Vein Sweetflag OBL Alliaria petiolata Garlic-Mustard FACU Amorpha nitens Shining Indigo-Bush FAC Actaea pachypoda White Baneberry UPL Allium canadense Meadow Garlic FACU Amorpha paniculata Panicled Indigo-Bush FACW Actaea podocarpa Mountain Bugbane FACU Allium cernuum Nodding Onion FACU Ampelaster carolinianus Climbing-Aster FACW Actaea rubra Red Baneberry UPL Allium schoenoprasum Wild Chives FACU Ampelopsis arborea Peppervine FACW Adiantum aleuticum Aleutian Maidenhair FAC Allium tricoccum Ramp FACU Ampelopsis cordata Heart-Leaf Peppervine FAC Adiantum capillus-veneris Southern Maidenhair FACU Allium vineale Crow Garlic FACU Amphicarpaea bracteata American Hog-Peanut FAC Adiantum pedatum Northern Maidenhair FAC Alnus glutinosa European Alder FACW Amphicarpum amphicarpon Blue Maiden-Cane FACW Aegopodium podagraria Bishop's Goutweed FACU Alnus incana Speckled Alder FACU Amphicarpum muehlenbergianum Aeschynomene americana Shyleaf FAC Alnus maritima Seaside Alder OBL Perennial Goober Grass FACW Aeschynomene indica Indian Joint-Vetch FACW Alnus serrulata Brookside Alder OBL Amsonia ludoviciana Louisiana Bluestar FAC Aeschynomene virginica Virginia Joint-Vetch OBL Alnus viridis Sitka Alder FAC Amsonia tabernaemontana Eastern Bluestar FAC Aesculus flava Yellow Buckeye FACU Alocasia macrorrhizos Giant Taro FACW Anaphalis margaritacea Pearly-Everlasting UPL Aesculus glabra Ohio Buckeye FACU Alopecurus aequalis Short-Awn Meadow-Foxtail OBL Andromeda polifolia Bog-Rosemary OBL Aesculus pavia Red Buckeye FAC Alopecurus arundinaceus Creeping Meadow-Foxtail FACW Andropogon capillipes Chalky Bluestem FACU Aesculus sylvatica Painted Buckeye FAC Alopecurus carolinianus Tufted Meadow-Foxtail FACW Andropogon gerardii Big Bluestem FAC Agalinis aphylla Scale-Leaf False Foxglove FACW Alopecurus geniculatus Marsh Meadow-Foxtail OBL Andropogon glaucopsis Coastal Bluestem FACW Agalinis aspera Tall False Foxglove FACU Alopecurus myosuroides Slender Meadow-Foxtail FACW Andropogon glomeratus Bushy Bluestem FACW Agalinis fasciculata Beach False Foxglove FAC Alopecurus pratensis Field Meadow-Foxtail FACW Andropogon gyrans Elliott's Bluestem FACU Agalinis heterophylla Prairie False Foxglove FACU Alophia drummondii Propeller-Flower FACU Andropogon hirsutior FACW Agalinis linifolia Flax-Leaf False Foxglove FACW Alternanthera paronychioides Smooth Joyweed OBL Andropogon mohrii Mohr's Bluestem FACW Agalinis maritima Saltmarsh False Foxglove FACW Alternanthera philoxeroides Alligator-Weed OBL Andropogon ternarius Split-Beard Bluestem FACU Agalinis obtusifolia Ten-Lobe False Foxglove FACU Alternanthera sessilis Sessile Joyweed FAC Andropogon virginicus Broom-Sedge FACU Agalinis oligophylla Ridge-Stem False Foxglove FAC Althaea officinalis Common Marsh-Mallow FACW Androsace occidentalis Western Rock-Jasmine FACU Agalinis paupercula Small-Flower False Foxglove FACW Amaranthus albus Tumbleweed FACU Anemone canadensis Round-Leaf Thimbleweed FACW Agalinis purpurea Purple False Foxglove FACW Amaranthus arenicola Sandhill Amaranth UPL Anemone quinquefolia Nightcaps FACU Agalinis skinneriana Skinner's False Foxglove FACU Amaranthus australis Southern Amaranth OBL Anemone virginiana Tall Thimbleweed FACU Agalinis tenella FACW Amaranthus blitoides Mat Amaranth FAC Angelica atropurpurea Purple-Stem Angelica OBL Agalinis tenuifolia Slender-Leaf False Foxglove FAC Amaranthus blitum Purple Amaranth FACU Angelica lucida Seacoast Angelica FAC Agarista populifolia Florida-Hobblebush OBL Amaranthus cannabinus Tidal-Marsh Amaranth OBL Anoda cristata Crested Anoda UPL Agastache nepetoides Yellow Giant-Hyssop FACU Amaranthus crassipes Spreading Amaranth FAC Antennaria neglecta Field Pussytoes UPL Ageratina altissima White Snakeroot FACU Amaranthus graecizans Italian-Spinach FACU Anthemis cotula Stinking Chamomile FACU Ageratina jucunda Hammock Snakeroot FACU Amaranthus palmeri Careless Weed FACU Anthenantia rufa Purple Silkyscale FACU Ageratum conyzoides Tropical Whiteweed FACU Amaranthus pumilus Seaside Amaranth FACW Anthoxanthum hirtum Northern Sweet Vernal Grass FACW Ageratum houstonianum Bluemink FACU Amaranthus retroflexus Red-Root FACU Anthoxanthum odoratum Large Sweet Vernal Grass FACU Anticlea elegans Mountain False Deathcamas FAC Asparagus officinalis Asparagus FACU Bidens bidentoides Delmarva Beggarticks FACW Antigonon leptopus Queen's-Jewels FACU Asperugo procumbens German-Madwort UPL Bidens bipinnata Spanish-Needles FACU Apios americana Groundnut FACW Asplenium abscissum Cut-Leaf Spleenwort FACW Bidens cernua Nodding Burr-Marigold OBL Aplectrum hyemale Adam-and-Eve FAC Asplenium platyneuron Ebony Spleenwort FACU Bidens discoidea Small Beggarticks FACW Apocynum androsaemifolium Spreading Dogbane FACU Asplenium trichomanes Maidenhair Spleenwort FAC Bidens eatonii Eaton's Beggarticks FACW Apocynum cannabinum Indian-Hemp FACU Astilbe biternata Appalachian False Goat's-Beard Bidens frondosa Devil's-Pitchfork FACW Aquilegia canadensis Red Columbine FAC FACU Bidens laevis Smooth Beggarticks OBL Arabidopsis lyrata Lyre-Leaf Thalecress FACU Astragalus canadensis Canadian Milk-Vetch FAC Bidens mitis Small-Fruit Beggarticks OBL Arabis alpina Alpine Eared Rockcress FAC Astragalus neglectus Cooper's Milk-Vetch FACU Bidens pilosa Hairy Beggarticks FACW Arabis pycnocarpa Hairy Eared Rockcress FACU Athyrium angustum Northern Lady Fern FAC Bidens tenuisecta Slim-Lobe Beggarticks FACW Aralia nudicaulis Wild Sarsaparilla FACU Athyrium asplenioides Southern Lady Fern FAC Bidens trichosperma Crowned Beggarticks OBL Aralia racemosa American Spikenard FACU Atriplex argentea Silverscale FAC Bidens tripartita Three-Lobe Beggarticks FACW Aralia spinosa Devil's-Walkingstick FAC Atriplex dioica Saline Saltbush FAC Bidens vulgata Tall Beggarticks FAC Arctium minus Lesser Burrdock FACU Atriplex glabriuscula Scotland Orache FACU Bigelowia nudata Pineland Rayless-Goldenrod FACW Arctostaphylos uva-ursi Red Bearberry UPL Atriplex hortensis Garden Orache FAC Bigelowia nuttallii Nuttall's Rayless-Goldenrod FACU Arenaria lanuginosa Spreading Sandwort FAC Atriplex mucronata Crested Saltbush FAC Bignonia capreolata Crossvine FAC Arenaria serpyllifolia Thyme-Leaf Sandwort FAC Atriplex patula Halberd-Leaf Orache FACW Blephilia hirsuta Hairy Pagoda-Plant FACU Arethusa bulbosa Dragon's-Mouth OBL Atriplex prostrata Hastate Orache FACW Boechera dentata Short's Rockcress FACU Arisaema dracontium Greendragon FACW Atriplex rosea Tumbling Orache FACU Boechera stricta Canadian Rockcress FACU Arisaema triphyllum Jack-in-the-Pulpit FACW Atriplex truncata Wedge-Leaf Orache FACU Boehmeria cylindrica Small-Spike False Nettle FACW Aristida beyrichiana Beyrich's Three-Awn UPL Avena sativa Oat UPL Boerhavia erecta Erect Spiderling UPL Aristida dichotoma Church-Mouse Three-Awn UPL Axonopus compressus Broad-Leaf Carpet Grass FACW Boltonia asteroides White Doll's Daisy FACW Aristida longespica Red Three-Awn UPL Axonopus fissifolius Narrow-Leaf Carpet Grass FACW Boltonia caroliniana Carolina Doll's Daisy FACW Aristida purpurascens Arrow-Feather Three-Awn FAC Axonopus furcatus Big Carpet Grass FACW Boltonia diffusa Small-Head Doll's Daisy FAC Aristida spiciformis Bottlebrush Three-Awn FAC Azolla microphylla Mexican Mosquito Fern OBL Boltonia montana Mountain Doll's Daisy FACW Aristida stricta Pineland Three-Awn FAC Azolla pinnata Asian Mosquito Fern OBL Borrichia frutescens Bushy Seaside-Tansy OBL Arivela viscosa Tickweed UPL Baccharis glomeruliflora Silverling FAC Bothriochloa barbinodis Cane Beard Grass FACU Armeria maritima Sea Thrift FACU Baccharis halimifolia Groundseltree FACW Bothriochloa bladhii Australian Beard Grass FACU Arnica acaulis Common Leopardbane FACU Baccharis neglecta Roosevelt-Weed FAC Botrychium lanceolatum Lance-Leaf Moonwort FACW Arnoglossum ovatum Egg-Leaf Indian-Plantain FAC Baccharis salicina Great Plains False Willow FAC Botrychium lunaria Common Moonwort FAC Arnoglossum plantagineum Groove-Stem Indian-Plantain FACW Bacopa caroliniana Blue Water-Hyssop OBL Botrychium matricariifolium Daisy-Leaf Moonwort FACU Aronia arbutifolia Red Chokeberry FACW Bacopa innominata Tropical Water-Hyssop OBL Botrychium simplex Least Moonwort FACU Aronia melanocarpa Black Chokeberry FAC Bacopa monnieri Herb-of-Grace OBL Botrypus virginianus Rattlesnake Fern FACU Aronia prunifolia Purple Chokeberry FACW Bacopa rotundifolia Disk Water-Hyssop OBL Bouteloua dactyloides Buffalo Grass FACU Arrhenatherum elatius Tall Oat Grass FACU Balduina atropurpurea Purple-Disk Honeycomb-Head FACW Bowlesia incana Hoary Bowlesia FAC Artemisia annua Annual Wormwood FACU Balduina uniflora One-Flower Honeycomb-Head FACW Boykinia aconitifolia Allegheny Brookfoam FACW Artemisia biennis Biennial Wormwood FACU Bambusa bambos Giant Thorny Bamboo FACU Brachyelytrum erectum Bearded Shorthusk FACU Artemisia campestris Pacific Wormwood UPL Bambusa vulgaris Feathery Bamboo FACU Brasenia schreberi Watershield OBL Artemisia ludoviciana White Sagebrush UPL Baptisia alba White Wild Indigo FACU Brassica juncea Chinese Mustard UPL Artemisia stelleriana Oldwoman FACU Baptisia australis Blue Wild Indigo FACU Brassica rapa Rape UPL Artemisia vulgaris Common Wormwood UPL Baptisia megacarpa Apalachicola Wild Indigo FAC Braya humilis Alpine Northern-Rockcress UPL Arthraxon hispidus Small Carp Grass FAC Barbarea vulgaris Garden Yellow-Rocket FACU Brintonia discoidea Rayless Mock Goldenrod FACU Aruncus dioicus Bride's-Feathers FACU Bartonia paniculata Twining Screwstem OBL Briza media Perennial Quaking Grass FAC Arundinaria gigantea Giant Cane FACW Bartonia virginica Yellow Screwstem FACW Briza minor Lesser Quaking Grass FACW Arundinaria tecta Switch Cane FACW Bassia hirsuta Hairy Smotherweed OBL Bromus arvensis Field Brome FACU Arundo donax Giant-Reed FACU Bassia hyssopifolia Five-Horn Smotherweed FACU Bromus briziformis Rattlesnake Brome FACU Asarum canadense Canadian Wild Ginger FACU Bassia scoparia Mexican-Fireweed UPL Bromus ciliatus Fringed Brome FACW Asclepias curassavica Bloodflower FAC Beckmannia syzigachne American Slough Grass OBL Bromus hordeaceus Soft Brome UPL Asclepias exaltata Poke Milkweed FACU Berberis thunbergii Japanese Barberry FACU Bromus inermis Smooth Brome UPL Asclepias incarnata Swamp Milkweed OBL Berberis vulgaris European Barberry FACU Bromus kalmii Kalm's Brome FACU Asclepias lanceolata Few-Flower Milkweed OBL Berchemia scandens Alabama Supplejack FACW Bromus latiglumis Early-Leaf Brome FACW Asclepias longifolia Long-Leaf Milkweed FAC Bergia texana Texas Bergia OBL Bromus madritensis Compact Brome UPL Asclepias michauxii Michaux's Milkweed FAC Betula X purpusii OBL Bromus pubescens Hairy Woodland Brome FACU Asclepias perennis Aquatic Milkweed OBL Betula alleghaniensis Yellow Birch FAC Broussonetia papyrifera Paper-Mulberry UPL Asclepias purpurascens Purple Milkweed FACU Betula cordifolia Heart-Leaf Paper Birch FACU Browallia americana Jamaican-Forget-Me-Not FACU Asclepias rubra Red Milkweed OBL Betula lenta Sweet Birch FACU Brugmansia versicolor Arborescent Angel's-Tears FACU Asclepias speciosa Showy Milkweed FAC Betula nigra River Birch FACW Brunnichia ovata American Buckwheatvine FACW Asclepias sullivantii Prairie Milkweed FAC Betula papyrifera Paper Birch FACU Buchnera americana American Bluehearts FACU Asclepias syriaca Common Milkweed FACU Betula pendula European Weeping Birch FACU Buchnera floridana Florida Bluehearts FACU Asclepias variegata Red-Ring Milkweed FACU Betula populifolia Gray Birch FAC Buddleja davidii Orange-Eye Butterfly-Bush FACU Asclepias verticillata Whorled Milkweed FACU Betula pubescens Downy Birch FAC Bulbostylis barbata Water-Grass FAC Asclepias viridula Southern Milkweed FACW Betula pumila Bog Birch OBL Bulbostylis capillaris Dense-Tuft Hair Sedge FACU Asimina parviflora Small-Flower Pawpaw UPL Bidens aristosa Bearded Beggarticks FACW Bulbostylis ciliatifolia Capillary Hair Sedge FACU Asimina triloba Common Pawpaw FAC Bidens beckii Beck's Water-Marigold OBL Bulbostylis stenophylla Sandy-Field Hair Sedge FACU Bulbostylis warei Ware's Hair Sedge FACU Carduus nutans Nodding Plumeless-Thistle UPL Carex emoryi Emory's Sedge OBL Burmannia biflora Northern Bluethread OBL Carex X aestivaliformis FAC Carex exilis Coastal Sedge OBL Burmannia capitata Southern Bluethread OBL Carex abscondita Thicket Sedge FAC Carex extensa Long-Bract Sedge OBL Butomus umbellatus Greater Flowering-Rush OBL Carex alata Broad-Wing Sedge OBL Carex festucacea Fescue Sedge FAC Cabomba caroliniana Carolina Fanwort OBL Carex albicans White-Tinge Sedge UPL Carex fissa Hammock Sedge FACW Cakile edentula American Searocket FACU Carex albolutescens Green-White Sedge FACW Carex flaccosperma Thin-Fruit Sedge FAC Cakile maritima European Searocket FAC Carex alopecoidea Fox-Tail Sedge FACW Carex flava Yellow-Green Sedge OBL Calamagrostis canadensis Bluejoint FACW Carex amphibola Eastern Narrow-Leaf Sedge FAC Carex foenea Bronze-Head Oval Sedge UPL Calamagrostis coarctata Nuttall's Reed Grass OBL Carex annectens Yellow-Fruit Sedge FACW Carex folliculata Northern Long Sedge OBL Calamagrostis pickeringii Pickering's Reed Grass FACW Carex aquatilis Leafy Tussock Sedge OBL Carex formosa Handsome Sedge FAC Calamagrostis stricta Slim-Stem Reed Grass FACW Carex arcta Northern Cluster Sedge OBL Carex frankii Frank's Sedge OBL Calamovilfa arcuata Cumberland Sand-Reed FACW Carex arkansana Arkansas Sedge FACU Carex gigantea Giant Sedge OBL Calamovilfa brevipilis Pine-Barren Sand-Reed OBL Carex atherodes Wheat Sedge OBL Carex glaucescens Southern Waxy Sedge OBL Calibrachoa parviflora Seaside-Petunia FACW Carex atlantica Prickly Bog Sedge FACW Carex glaucodea Blue Sedge FAC Calla palustris Water-Dragon OBL Carex aurea Golden-Fruit Sedge FACW Carex gracillima Graceful Sedge FACU Callicarpa americana American Beauty-Berry FACU Carex austrina Southern Sedge FACU Carex granularis Limestone-Meadow Sedge FACW Callicarpa dichotoma Chinese Beauty-Berry OBL Carex austrodeflexa Canebrake Sedge OBL Carex gravida Heavy Sedge FACW Callitriche heterophylla Greater Water-Starwort OBL Carex baileyi Bailey's Sedge OBL Carex grayi Gray's Sedge FACW Callitriche palustris Vernal Water-Starwort OBL Carex barrattii Barratt's Sedge OBL Carex grisea Inflated Narrow-Leaf Sedge FACU Callitriche pedunculosa Nuttall's Water-Starwort FACW Carex basiantha Widow Sedge FACW Carex gynandra Nodding Sedge OBL Callitriche peploides Matted Water-Starwort OBL Carex bebbii Bebb's Sedge OBL Carex gynocrates Northern Bog Sedge OBL Callitriche stagnalis Pond Water-Starwort OBL Carex bicknellii Bicknell's Sedge FAC Carex haydenii Cloud Sedge OBL Callitriche terrestris Terrestrial Water-Starwort FACW Carex billingsii Billings' Sedge OBL Carex hormathodes Marsh Straw Sedge OBL Calluna vulgaris Heather FAC Carex blanda Eastern Woodland Sedge FAC Carex hyalina Tissue Sedge FACW Calopogon barbatus Bearded Grass-Pink FACW Carex brevior Short-Beak Sedge FAC Carex hyalinolepis Shoreline Sedge OBL Calopogon pallidus Pale Grass-Pink OBL Carex bromoides Brome-Like Sedge FACW Carex hystericina Porcupine Sedge OBL Calopogon tuberosus Tuberous Grass-Pink FACW Carex brunnescens Brownish Sedge FACW Carex interior Inland Sedge OBL Caltha palustris Yellow Marsh-Marigold OBL Carex bulbostylis False Hair Sedge FACW Carex intumescens Greater Bladder Sedge FACW Calycanthus floridus Eastern Sweetshrub FACU Carex bullata Button Sedge OBL Carex joorii Cypress-Swamp Sedge OBL Calycocarpum lyonii Cupseed FACW Carex bushii Bush's Sedge FACW Carex lacustris Lakebank Sedge OBL Calydorea coelestina Enchanting Violet-Lily FACW Carex buxbaumii Brown Bog Sedge OBL Carex laeviconica Smooth-Cone Sedge OBL Calyptocarpus vialis Straggler Daisy FAC Carex canescens Hoary Sedge OBL Carex laevivaginata Smooth-Sheath Sedge OBL Calystegia sepium Hedge False Bindweed FAC Carex caroliniana Carolina Sedge FACW Carex lasiocarpa Woolly-Fruit Sedge OBL Camassia scilloides Atlantic Camas FAC Carex cephaloidea Thin-Leaf Sedge FAC Carex laxiflora Broad Loose-Flower Sedge FACU Camelina microcarpa Little-Pod False Flax FACU Carex cephalophora Oval-Leaf Sedge FACU Carex leporina Oval Sedge FAC Camelina sativa Gold-of-Pleasure UPL Carex chapmanii Chapman's Sedge FACW Carex leptalea Bristly-Stalk Sedge OBL Campanula aparinoides Marsh Bellflower OBL Carex cherokeensis Cherokee Sedge FACW Carex leptonervia Nerveless Woodland Sedge FACW Campanula rotundifolia Bluebell-of-Scotland FACU Carex chordorrhiza Rope-Root Sedge OBL Carex limosa Mud Sedge OBL Campanulastrum americanum American-Bellflower FACU Carex collinsii Collins' Sedge OBL Carex lonchocarpa Southern Long Sedge OBL Campsis radicans Trumpet-Creeper FAC Carex comosa Bearded Sedge OBL Carex longii Long's Sedge OBL Canna X generalis OBL Carex complanata Hirsute Sedge FACU Carex louisianica Louisiana Sedge OBL Canna flaccida Bandanna-of-the-Everglades OBL Carex conjuncta Soft Fox Sedge FACW Carex lupuliformis False Hop Sedge FACW Canna glauca Brazilian Arrow-Wood OBL Carex conoidea Open-Field Sedge FACU Carex lupulina Hop Sedge OBL Canna indica Indian-Shot FACW Carex corrugata Prune-Fruit Sedge FACW Carex lurida Shallow Sedge OBL Cantinoa mutabilis FAC Carex crawei Crawe's Sedge FACW Carex magellanica Boreal-Bog Sedge OBL Capsella bursa-pastoris Shepherd's-Purse FACU Carex crawfordii Crawford's Sedge FAC Carex meadii Mead's Sedge FAC Cardamine X anomala FACU Carex crebriflora Coastal-Plain Sedge FACW Carex michauxiana Michaux's Sedge OBL Cardamine X incisa FACU Carex crinita Fringed Sedge OBL Carex microdonta Little-Tooth Sedge FACW Cardamine angustata Slender Toothwort FACU Carex cristatella Crested Sedge FACW Carex mitchelliana Mitchell's Sedge OBL Cardamine bulbosa Bulbous Bittercress OBL Carex crus-corvi Raven-Foot Sedge OBL Carex molesta Troublesome Sedge FAC Cardamine clematitis Small Mountain Bittercress OBL Carex cryptolepis Northeastern Sedge OBL Carex muricata Muricate Sedge FAC Cardamine concatenata Cut-Leaf Toothwort FACU Carex cumulata Clustered Sedge FACU Carex muskingumensis Muskingum Sedge OBL Cardamine diphylla Crinkleroot FACU Carex davisii Davis' Sedge FAC Carex nebrascensis Nebraska Sedge OBL Cardamine douglassii Limestone Bittercress FACW Carex debilis White-Edge Sedge FAC Carex nigromarginata Black-Edge Sedge UPL Cardamine flagellifera Blue Ridge Bittercress FACU Carex decomposita Cypress-Knee Sedge OBL Carex normalis Greater Straw Sedge FACW Cardamine flexuosa Woodland Bittercress FAC Carex deweyana Dewey's Sedge FACU Carex novae-angliae New England Sedge FACU Cardamine hirsuta Hairy Bittercress FACU Carex diandra Lesser Tussock Sedge OBL Carex oklahomensis Oklahoma Sedge OBL Cardamine impatiens Narrow-Leaf Bittercress FAC Carex digitalis Slender Woodland Sedge UPL Carex oligosperma Few-Seed Sedge OBL Cardamine longii Long's Bittercress OBL Carex disperma Soft-Leaf Sedge FACW Carex opaca FACW Cardamine micranthera Streambank Bittercress OBL Carex divulsa Grassland Sedge FAC Carex oxylepis Sharp-Scale Sedge FACW Cardamine parviflora Sand Bittercress FACU Carex douglasii Douglas' Sedge FAC Carex ozarkana Ozark Sedge OBL Cardamine pensylvanica Quaker Bittercress OBL Carex eburnea Bristle-Leaf Sedge FACU Carex pallescens Pale Sedge FACW Cardamine rotundifolia American Bittercress OBL Carex echinata Star Sedge OBL Carex pauciflora Few-Flower Sedge OBL Cardiospermum halicacabum Love-in-a-Puff FACU Carex elliottii Elliott's Sedge OBL Carex pedunculata Long-Stalk Sedge OBL Carex pellita Woolly Sedge OBL Carya cordiformis Bitter-Nut Hickory FACU Chenopodium album Lamb's-Quarters FACU Carex pigra Tar-Heel Sedge FACW Carya glabra Pignut Hickory FACU Chenopodium fremontii Fremont's Goosefoot FACU Carex polymorpha Variable Sedge FACU Carya illinoinensis Pecan FACU Chenopodium glaucum Oak-Leaf Goosefoot FACW Carex praegracilis Clustered Field Sedge FACW Carya laciniosa Shell-Bark Hickory FAC Chenopodium macrospermum Large-Seed Goosefoot FACW Carex prairea Prairie Sedge FACW Carya myristiciformis Nutmeg Hickory FACW Chenopodium murale Nettle-Leaf Goosefoot FACU Carex prasina Drooping Sedge OBL Carya ovalis Red Hickory FACU Chenopodium rubrum Red Goosefoot FACW Carex projecta Necklace Sedge FACW Carya ovata Shag-Bark Hickory FACU Chionanthus virginicus White Fringetree FAC Carex pseudocyperus Cypress-Like Sedge OBL Castilleja coccinea Scarlet Indian-Paintbrush FAC Chloris gayana Rhodes Grass FACU Carex radiata Eastern Star Sedge FAC Castilleja indivisa Entire-Leaf Indian-Paintbrush FAC Chloris virgata Feather Windmill Grass FACU Carex reniformis Kidney-Shape Sedge FACW Catalpa bignonioides Southern Catalpa FACU Christella dentata Pai'i'iho FAC Carex retroflexa Reflexed Sedge FACU Catalpa speciosa Northern Catalpa FAC Christella hispidula Rough-Hairy Waterfall Fern FACU Carex retrorsa Retrorse Sedge FACW Catharanthus roseus Madagascar-Periwinkle UPL Chrysoma pauciflosculosa Woody-Goldenrod FAC Carex richardsonii Richardson's Sedge UPL Cayaponia quinqueloba Five-Lobe-Cucumber FAC Chrysopsis gossypina Cottony Golden-Aster FACU Carex rosea Rosy Sedge FACU Celastrus orbiculatus Asian Bittersweet FACU Chrysopsis mariana Maryland Golden-Aster UPL Carex sartwellii Sartwell's Sedge OBL Celastrus scandens American Bittersweet FACU Chrysosplenium americanum American Golden-Saxifrage OBL Carex scabrata Eastern Rough Sedge OBL Celosia argentea Silver Cock's-Comb FACU Cichorium intybus Chicory FACU Carex schweinitzii Schweinitz's Sedge OBL Celtis laevigata Sugar-Berry FACW Cicuta bulbifera Bulblet-Bearing Water-Hemlock OBL Carex scoparia Pointed Broom Sedge FACW Celtis occidentalis Common Hackberry FACU Cicuta maculata Spotted Water-Hemlock OBL Carex seorsa Weak Stellate Sedge FACW Celtis reticulata Net-Leaf Hackberry UPL Cinna arundinacea Sweet Wood-Reed FACW Carex shortiana Short's Sedge FAC Cenchrus americanus Pearl-Millet FACU Cinna latifolia Slender Wood-Reed FACW Carex siccata Dry-Spike Sedge FACU Cenchrus ciliaris Buffel Grass UPL Cinnamomum camphora Camphortree FACU Carex sparganioides Burr-Reed Sedge FACU Cenchrus echinatus Southern Sandburr UPL Circaea alpina Small Enchanter's-Nightshade FACW Carex spicata Prickly Sedge FAC Cenchrus longispinus Innocent-Weed UPL Circaea canadensis Broad-Leaf Enchanter's-Nightshade Carex sprengelii Long-Beak Sedge FACU Cenchrus tribuloides Sand-Dune Sandburr UPL FACU Carex squarrosa Squarrose Sedge FACW Centaurea X moncktonii FAC Cirsium arvense Canadian Thistle FACU Carex sterilis Dioecious Sedge OBL Centaurea cyanus Garden Cornflower FACU Cirsium discolor Field Thistle UPL Carex stipata Stalk-Grain Sedge OBL Centaurea jacea Brown-Ray Knapweed FACU Cirsium flodmanii Flodman's Thistle FAC Carex straminea Eastern Straw Sedge OBL Centaurium erythraea European Centaury FAC Cirsium horridulum Yellow Thistle FACU Carex striata Walter's Sedge OBL Centaurium pulchellum Branched Centaury FAC Cirsium lecontei Le Conte's Thistle FACW Carex stricta Uptight Sedge OBL Centella erecta Stiff Spadeleaf FACW Cirsium muticum Swamp Thistle OBL Carex styloflexa Bent Sedge FACW Centipeda minima Spreading-Sneezeweed FACU Cirsium nuttallii Nuttall's Thistle FAC Carex suberecta Prairie Straw Sedge OBL Cephalanthus occidentalis Common Buttonbush OBL Cirsium undulatum Wavy-Leaf Thistle FAC Carex superata Limestone-Forest Sedge FAC Cerastium arvense Field Mouse-Ear Chickweed UPL Cirsium virginianum Virginia Thistle FACW Carex swanii Swan's Sedge FACU Cerastium brachypodum Short-Stalk Mouse-Ear Chickweed Cirsium vulgare Bull Thistle FACU Carex sylvatica European Woodland Sedge FACU FACU Cissus trifoliata Sorrelvine UPL Carex tenera Quill Sedge FAC Cerastium fontanum Common Mouse-Ear Chickweed Citrullus lanatus Watermelon UPL Carex tenuiflora Sparse-Flower Sedge OBL FACU Cladium mariscoides Smooth Saw-Grass OBL Carex tetanica Rigid Sedge FACW Cerastium glomeratum Sticky Mouse-Ear Chickweed UPL Claytonia caroliniana Carolina Springbeauty FACU Carex tetrastachya Britton's Sedge FACW Cerastium nutans Nodding Mouse-Ear Chickweed Claytonia perfoliata Miner's-Lettuce FACU Carex torta Twisted Sedge FACW FAC Claytonia virginica Virginia Springbeauty FAC Carex triangularis Eastern Fox Sedge FACW Ceratophyllum demersum Coon's-Tail OBL Cleistesiopsis divaricata Rosebud Orchid FAC Carex tribuloides Blunt Broom Sedge FACW Ceratophyllum echinatum Spineless Hornwort OBL Clematis addisonii Addison's Leather-Flower FACU Carex trichocarpa Hairy-Fruit Sedge OBL Ceratophyllum muricatum Prickly Hornwort OBL Clematis catesbyana Satincurls FAC Carex trisperma Three-Seed Sedge OBL Ceratopteris richardii Triangle Water Fern OBL Clematis crispa Swamp Leather-Flower FACW Carex tuckermanii Tuckerman's Sedge OBL Cercis canadensis Redbud FACU Clematis glaucophylla White-Leaf Leather-Flower FAC Carex turgescens Pine-Barren Sedge OBL Cestrum nocturnum Night Flowering-Jassamine UPL Clematis ligusticifolia Deciduous Traveler's-Joy FACW Carex typhina Cat-Tail Sedge FACW Chaerophyllum procumbens Spreading Chervil FACW Clematis pitcheri Bluebill FACU Carex utriculata Northwest Territory Sedge OBL Chaerophyllum tainturieri Hairy-Fruit Chervil FAC Clematis terniflora Sweet Autumn Virgin's-Bower FACU Carex venusta Dark-Green Sedge OBL Chamaecrista fasciculata Sleepingplant FACU Clematis virginiana Devil's-Darning-Needles FAC Carex verrucosa Warty Sedge OBL Chamaecrista nictitans Partridge-Pea FACU Clematis vitalba Evergreen Traveler's-Joy UPL Carex vesicaria Lesser Bladder Sedge OBL Chamaecyparis thyoides Atlantic White-Cedar OBL Cleomella angustifolia Northern Stinkweed FAC Carex viridula Little Green Sedge OBL Chamaedaphne calyculata Leatherleaf OBL Clethra alnifolia Coastal Sweet-Pepperbush FAC Carex vulpinoidea Common Fox Sedge OBL Chamaelirium luteum Fairywand FAC Cliftonia monophylla Buckwheat-Tree OBL Carex wiegandii Wiegand's Sedge OBL Chamaenerion angustifolium Narrow-Leaf Fireweed FAC Clinopodium arkansanum Limestone Wild Basil FACU Carex willdenowii Willdenow's Sedge UPL Chaptalia tomentosa Woolly Sunbonnets FACW Clintonia borealis Yellow Bluebead-Lily FAC Carex woodii Pretty Sedge UPL Chasmanthium latifolium Indian Wood-Oats FACU Clitoria mariana Atlantic Pigeonwings FACU Carphephorus odoratissimus Carolina-Vanilla FACW Chasmanthium laxum Slender Wood-Oats FAC Clitoria ternatea Asian Pigeonwings FACU Carphephorus paniculatus Hairy Chaffhead FACW Chasmanthium nitidum Shiny Wood-Oats FACW Cocculus carolinus Carolina Coralbead FAC Carphephorus tomentosus Woolly Chaffhead FACW Chasmanthium sessiliflorum Long-Leaf Wood-Oats FAC Coeloglossum viride Long-Bract Frog Orchid FACU Carpinus caroliniana American Hornbeam FAC Chelidonium majus Greater Celandine UPL Coelorachis cylindrica Carolina Joint-Tail Grass FAC Cartrema americana Devilwood FAC Chelone cuthbertii Cuthbert's Turtlehead OBL Coelorachis rugosa Wrinkled Joint-Tail Grass OBL Carum carvi Caraway UPL Chelone glabra White Turtlehead OBL Coix lacryma-jobi Job's-Tears FACW Carya X lecontei OBL Chelone lyonii Pink Turtlehead FACW Coleataenia anceps Beaked Cut-Throat Grass FAC Carya aquatica Water Hickory OBL Chelone obliqua Red Turtlehead OBL Coleataenia longifolia Long-Leaf Cut-Throat Grass FACU Coleataenia rigidula Red-Top Cut-Throat Grass FACW Crepis capillaris Smooth Hawk's-Beard UPL Cyperus setigerus Lean Flat Sedge FAC Coleataenia stipitata Stipitate Cut-Throat Grass FACW Crinum americanum Seven-Sisters FAC Cyperus squarrosus Awned Flat Sedge FACW Coleataenia tenera Southeastern Cut-Throat Grass FACW Crocosmia X crocosmiiflora FACW Cyperus strigosus Straw-Color Flat Sedge FACW Collinsia verna Spring Blue-Eyed Mary FAC Croptilon divaricatum Slender Scratchdaisy UPL Cyperus surinamensis Tropical Flat Sedge FACW Collinsonia canadensis Richweed FAC Crotalaria pallida Smooth Rattlebox FACU Cyperus tetragonus Four-Angle Flat Sedge FAC Collomia linearis Narrow-Leaf Mountain-Trumpet UPL Crotalaria retusa Rattleweed UPL Cyperus virens Green Flat Sedge FACW Colocasia esculenta Coco-Yam FACW Crotalaria rotundifolia Rabbitbells UPL Cypripedium X andrewsii FACW Comandra umbellata Bastard-Toadflax FACU Crotalaria spectabilis Showy Rattlebox FACU Cypripedium acaule Pink Lady's-Slipper FACU Comarum palustre Purple Marshlocks OBL Croton elliottii Elliott's Croton FACW Cypripedium candidum Small White Lady's-Slipper OBL Commelina benghalensis Jio FACU Crypsis alopecuroides Fox-Tail Prickle Grass FACW Cypripedium parviflorum Yellow Lady's-Slipper FACW Commelina caroliniana Carolina Dayflower FAC Crypsis schoenoides Swamp Prickle Grass FACW Cypripedium reginae Showy Lady's-Slipper FACW Commelina communis Asiatic Dayflower FAC Cryptogramma stelleri Fragile Rockbrake FACU Cyrilla racemiflora Little-Leaf Titi FACW Commelina diffusa Climbing Dayflower FACW Cryptotaenia canadensis Canadian Honewort FAC Cystopteris bulbifera Bulblet Bladder Fern FAC Commelina erecta White-Mouth Dayflower FAC Ctenium aromaticum Toothache Grass FACW Cystopteris fragilis Brittle Bladder Fern FACU Commelina virginica Virginia Dayflower FACW Cuphea carthagenensis Colombian Waxweed FAC Cystopteris protrusa Lowland Bladder Fern FAC Conioselinum chinense Chinese Hemlock-Parsley FACW Cuphea viscosissima Blue Waxweed FAC Dactylis glomerata Orchard Grass FACU Conium maculatum Poison-Hemlock FACW Cyclachaena xanthiifolia Carelessweed FAC Dalea leporina Fox-Tail Prairie-Clover UPL Conoclinium coelestinum Blue Mistflower FAC Cycloloma atriplicifolium Winged-Pigweed FACU Danthonia compressa Flattened Wild Oat Grass FACU Conradina verticillata Cumberland Dixie Rosemary FACW Cyclospermum leptophyllum Marsh-Parsley FAC Danthonia epilis Bog Wild Oat Grass OBL Convolvulus equitans Texas Bindweed FACU Cymophyllus fraserianus Fraser's Sedge FAC Danthonia sericea Silky Wild Oat Grass FACU Cooperia chlorosolen Evening Rain-Lily FACU Cynanchum laeve Honeyvine FAC Dasiphora fruticosa Golden-Hardhack FACW Coptis trifolia Three-Leaf Goldthread FACW Cynodon dactylon Bermuda Grass FACU Dasistoma macrophylla Mullein-Foxglove FACU Corallorhiza maculata Summer Coralroot FACU Cynoglossum officinale Gypsy-Flower UPL Datura wrightii Sacred Thorn-Apple FACU Corallorhiza trifida Yellow Coralroot FACW Cynosciadium digitatum Finger-Dogshade FACW Daucus carota Queen Anne's-Lace UPL Corallorhiza wisteriana Spring Coralroot FAC Cynosurus cristatus Crested Dog's-Tail Grass UPL Decodon verticillatus Swamp-Loosestrife OBL Coreopsis falcata Sickle Tickseed FACW Cyperus acuminatus Taper-Tip Flat Sedge OBL Decumaria barbara Woodvamp OBL Coreopsis gladiata Coastal-Plain Tickseed FACW Cyperus aggregatus Inflated-Scale Flat Sedge FAC Dendrolycopodium dendroideum Prickley Coreopsis integrifolia Fringe-Leaf Tickseed FACU Cyperus articulatus Jointed Flat Sedge OBL Tree-Club-Moss FACU Coreopsis lanceolata Lance-Leaf Tickseed FACU Cyperus bipartitus Shining Flat Sedge FACW Dendrolycopodium obscurum Princess-Pine FACU Coreopsis linifolia Texas Tickseed FACW Cyperus compressus Poorland Flat Sedge FAC Dennstaedtia punctilobula Hay-Scented Fern FACU Coreopsis pubescens Star Tickseed FACU Cyperus croceus Baldwin's Flat Sedge FACU Dentella repens Lickstoop FACW Coreopsis rosea Pink Tickseed FACW Cyperus cuspidatus Coastal-Plain Flat Sedge FACW Deparia acrostichoides Silvery-Spleenwort FAC Coreopsis tinctoria Golden Tickseed FAC Cyperus dentatus Toothed Flat Sedge FACW Deparia petersenii Petersen's-Spleenwort FACW Coreopsis tripteris Tall Tickseed FAC Cyperus diandrus Umbrella Flat Sedge FACW Deschampsia caespitosa Tufted Hair Grass FACW Corispermum americanum American Bugseed FACU Cyperus difformis Variable Flat Sedge OBL Deschampsia flexuosa Wavy Hair Grass FACU Cornus alba Red Osier FACW Cyperus distans Mexican Flat Sedge OBL Desmanthus illinoensis Prairie Bundle-Flower FAC Cornus alternifolia Alternate-Leaf Dogwood FAC Cyperus echinatus Globe Flat Sedge FACU Desmodium canadense Showy Tick-Trefoil FAC Cornus amomum Silky Dogwood FACW Cyperus entrerianus Woodrush Flat Sedge FACW Desmodium paniculatum Panicled-Leaf Tick-Trefoil FACU Cornus asperifolia Tough-Leaf Dogwood FACW Cyperus eragrostis Tall Flat Sedge FACW Desmodium tenuifolium Slim-Leaf Tick-Trefoil FAC Cornus canadensis Canadian Bunchberry FAC Cyperus erythrorhizos Red-Root Flat Sedge FACW Desmodium tortuosum Dixie Tick-Trefoil FACU Cornus drummondii Rough-Leaf Dogwood FAC Cyperus esculentus Chufa FACW Diamorpha smallii Elf Orpine FACW Cornus florida Flowering Dogwood FACU Cyperus filicinus Fern Flat Sedge OBL Dianthus armeria Deptford Pink UPL Cornus foemina Stiff Dogwood FACW Cyperus flavescens Yellow Flat Sedge OBL Dianthus deltoides Maiden Pink UPL Cornus obliqua Pale Dogwood FACW Cyperus flavicomus White-Edge Flat Sedge FAC Diarrhena obovata Hairy Beakgrain FACU Cornus racemosa Gray Dogwood FAC Cyperus fuscus Galingale FAC Dichanthelium aciculare Needle-Leaf Rosette Grass FACU Cortaderia selloana Selloa Pampus Grass FAC Cyperus granitophilus Granite Flat Sedge FACW Dichanthelium acuminatum Tapered Rosette Grass FAC Corydalis flavula Yellow Fumewort FACU Cyperus haspan Sheathed Flat Sedge OBL Dichanthelium boreale Northern Rosette Grass FACU Corylus americana American Hazelnut FACU Cyperus involucratus Alternate-Leaf Flat Sedge FACW Dichanthelium clandestinum Deer-Tongue Rosette Grass FAC Corylus cornuta Beaked Hazelnut FACU Cyperus iria Ricefield Flat Sedge FACW Dichanthelium commutatum Variable Rosette Grass FACU Cosmos bipinnatus Garden Cosmos FACU Cyperus lancastriensis Many-Flower Flat Sedge FAC Dichanthelium consanguineum Blood Rosette Grass FACU Cosmos parviflorus Southwestern Cosmos FAC Cyperus lecontei Le Conte's Flat Sedge FACW Dichanthelium dichotomum Cypress Rosette Grass FAC Cosmos sulphureus Sulphur Cosmos FACU Cyperus lupulinus Great Plains Flat Sedge UPL Dichanthelium erectifolium Erect-Leaf Rosette Grass OBL Cotula australis Australian Water-Buttons FAC Cyperus ochraceus Pond Flat Sedge FACW Dichanthelium latifolium Broad-Leaf Rosette Grass FACU Crassula aquatica Water Pygmyweed OBL Cyperus odoratus Rusty Flat Sedge FACW Dichanthelium laxiflorum Open-Flower Rosette Grass FACU Crataegus berberifolia Barberry Hawthorn FAC Cyperus pilosus Fuzzy Flat Sedge FACW Dichanthelium leibergii Leiberg's Rosette Grass FACU Crataegus brachyacantha Blueberry Hawthorn OBL Cyperus polystachyos Many-Spike Flat Sedge FACW Dichanthelium leucothrix Rough Rosette Grass FACW Crataegus crus-galli Cock-Spur Hawthorn FACU Cyperus prolifer Miniature Flat Sedge FACW Dichanthelium oligosanthes Heller's Rosette Grass FACU Crataegus marshallii Parsley Hawthorn FAC Cyperus pseudovegetus Marsh Flat Sedge FACW Dichanthelium ovale Egg-Leaf Rosette Grass FACU Crataegus mollis Downy Hawthorn FACU Cyperus refractus Reflexed Flat Sedge FACU Dichanthelium portoricense Hemlock Rosette Grass FACU Crataegus monogyna English Hawthorn FACU Cyperus retrofractus Rough Flat Sedge UPL Dichanthelium ravenelii Ravenel's Rosette Grass FACU Crataegus phaenopyrum Washington Hawthorn FAC Cyperus retrorsus Pine-Barren Flat Sedge FAC Dichanthelium scabriusculum Woolly Rosette Grass OBL Crataegus pulcherrima Beautiful Hawthorn FAC Cyperus rotundus Purple Flat Sedge FAC Dichanthelium scoparium Broom Rosette Grass FACW Crataegus spathulata Little-Hip Hawthorn FAC Cyperus schweinitzii Sand Flat Sedge FACU Dichanthelium sphaerocarpon Round-Seed Rosette Grass FACU Crataegus viridis Green Hawthorn FACW Cyperus serotinus Tidal-Marsh Flat Sedge OBL Dichanthelium strigosum Rough-Hair Rosette Grass FAC Dichondra carolinensis Carolina Pony's-Foot FACW Echinochloa muricata Rough Barnyard Grass FACW Elymus repens Creeping Wild Rye FACU Dichondra micrantha Asian Pony's-Foot FAC Echinochloa walteri Long-Awn Cock's-Spur Grass FACW Elymus riparius River-Bank Wild Rye FACW Dicliptera brachiata Branched Foldwing FACW Echinocystis lobata Wild Cucumber FAC Elymus trachycaulus Slender Wild Rye FACU Didiplis diandra Water-Purslane OBL Echinodorus berteroi Upright Burrhead OBL Elymus villosus Hairy Wild Rye FACU Didymoglossum petersii Dwarf Filmy Fern FAC Echinodorus cordifolius Creeping Burrhead OBL Elymus virginicus Virginia Wild Rye FACW Digitalis purpurea Purple Foxglove UPL Eclipta prostrata False Daisy FAC Elymus wiegandii Wiegand's Wild Rye FAC Digitaria bicornis Asian Crab Grass UPL Egeria densa Brazilian-Waterweed OBL Emilia sonchifolia Lilac Tassel-Flower UPL Digitaria ciliaris Southern Crab Grass FAC Eichhornia crassipes Common Water-Hyacinth OBL Endodeca serpentaria Virginia-Snakeroot UPL Digitaria horizontalis Jamaican Crab Grass FACU Elaeagnus angustifolia Russian-Olive FACU Enemion biternatum Eastern False Rue-Anemone FACU Digitaria insularis Sour Grass FAC Elaeagnus commutata American Silver-Berry UPL Epilobium anagallidifolium Pimpernel Willowherb FAC Digitaria ischaemum Smooth Crab Grass UPL Elatine americana American Waterwort OBL Epilobium ciliatum Fringed Willowherb FAC Digitaria sanguinalis Hairy Crab Grass FACU Elatine brachysperma Short-Seed Waterwort OBL Epilobium coloratum Purple-Leaf Willowherb FACW Digitaria serotina Dwarf Crab Grass FAC Elatine minima Small Waterwort OBL Epilobium hirsutum Codlins-and-Cream FACW Digitaria violascens Violet Crab Grass FAC Eleocharis acicularis Needle Spike-Rush OBL Epilobium leptophyllum Bog Willowherb OBL Dinebra panicea Needle Viper Grass FACW Eleocharis aestuum Tidal Spike-Rush OBL Epilobium palustre Marsh Willowherb OBL Dinebra panicoides Amazon Viper Grass FACW Eleocharis albida White Spike-Rush OBL Epilobium parviflorum Small-Flower Hairy Willowherb OBL Diodia teres Poorjoe UPL Eleocharis atropurpurea Purple Spike-Rush FACW Epilobium strictum Downy Willowherb OBL Diodia virginiana Virginia Buttonweed FACW Eleocharis baldwinii Baldwin's Spike-Rush OBL Epipactis gigantea Giant Helleborine OBL Dionaea muscipula Venus' Flytrap FACW Eleocharis bifida Glades Spike-Rush FACW Epipactis helleborine Helleborine UPL Dioscorea villosa Wild Yam FAC Eleocharis compressa Flat-Stem Spike-Rush OBL Equisetum X ferrissii FACW Diospyros virginiana Common Persimmon FAC Eleocharis diandra Wright's Spike-Rush FACW Equisetum X litorale OBL Diphylleia cymosa American Umbrella-Leaf FACU Eleocharis dulcis Chinese Water-Chestnut OBL Equisetum X mackaii FACW Diplachne fusca Bearded Sprangletop FACW Eleocharis elliptica Elliptic Spike-Rush FACW Equisetum X nelsonii FAC Diplazium pycnocarpon Glade Fern FAC Eleocharis engelmannii Engelmann's Spike-Rush FACW Equisetum arvense Field Horsetail FAC Dipsacus fullonum Fuller's Teasel FACU Eleocharis equisetoides Horsetail-Spike-Rush OBL Equisetum fluviatile Water Horsetail OBL Dipsacus laciniatus Cut-Leaf Teasel FACU Eleocharis fallax Creeping Spike-Rush OBL Equisetum hyemale Tall Scouring-Rush FACW Dirca palustris Eastern Leatherwood FAC Eleocharis flavescens Yellow Spike-Rush OBL Equisetum laevigatum Smooth Scouring-Rush FACW Distichlis spicata Coastal Salt Grass FACW Eleocharis geniculata Capitate Spike-Rush FACW Equisetum pratense Meadow Horsetail FACW Ditrysinia fruticosa Gulf Sebastian-Bush FACW Eleocharis halophila Saltmarsh Spike-Rush OBL Equisetum scirpoides Dwarf Scouring-Rush FAC Dodecatheon meadia Pride-of-Ohio FACU Eleocharis intermedia Intermediate Spike-Rush FACW Equisetum sylvaticum Woodland Horsetail FACW Doellingeria sericocarpoides Southern White-Top FACW Eleocharis lanceolata Dagger-Leaf Spike-Rush FACW Equisetum variegatum Variegated Scouring-Rush FACW Doellingeria umbellata Parasol White-Top FACW Eleocharis melanocarpa Black-Fruit Spike-Rush FACW Eragrostis amabilis Feather Love Grass FACU Dracocephalum parviflorum American Dragonhead FACU Eleocharis microcarpa Small-Fruit Spike-Rush OBL Eragrostis atrovirens Thalia Love Grass FAC Dracopis amplexicaulis Clasping-Coneflower FAC Eleocharis montevidensis Sand Spike-Rush FACW Eragrostis bahiensis Bahia Love Grass FAC Drosera brevifolia Dwarf Sundew OBL Eleocharis obtusa Blunt Spike-Rush OBL Eragrostis cilianensis Stink Grass FACU Drosera capillaris Pink Sundew OBL Eleocharis occulta Limestone Spike-Rush FACW Eragrostis ciliaris Gopher-Tail Love Grass FACU Drosera filiformis Thread-Leaf Sundew OBL Eleocharis olivacea Bright-Green Spike-Rush OBL Eragrostis cumingii Cuming's Love Grass FACU Drosera intermedia Spoon-Leaf Sundew OBL Eleocharis palustris Common Spike-Rush OBL Eragrostis elliottii Elliot's Love Grass FACW Drosera rotundifolia Round-Leaf Sundew OBL Eleocharis parvula Little-Head Spike-Rush OBL Eragrostis frankii Sandbar Love Grass FACW Drymaria cordata Whitesnow FAC Eleocharis quadrangulata Square-Stem Spike-Rush OBL Eragrostis hirsuta Big-Top Love Grass UPL Drymocallis arguta Tall Woodbeauty UPL Eleocharis quinqueflora Few-Flower Spike-Rush OBL Eragrostis hypnoides Teal Love Grass OBL Dryopteris X australis FACW Eleocharis radicans Rooted Spike-Rush OBL Eragrostis japonica Japanese Love Grass OBL Dryopteris X boottii FACW Eleocharis robbinsii Robbins' Spike-Rush OBL Eragrostis lugens Mourning Love Grass FAC Dryopteris X correllii FACW Eleocharis rostellata Beaked Spike-Rush OBL Eragrostis mexicana Mexican Love Grass UPL Dryopteris X mickelii FAC Eleocharis tenuis Slender Spike-Rush FACW Eragrostis pectinacea Purple Love Grass FAC Dryopteris X triploidea FAC Eleocharis tortilis Twisted Spike-Rush FACW Eragrostis pilosa Indian Love Grass FACU Dryopteris X uliginosa FAC Eleocharis tricostata Three-Angle Spike-Rush OBL Eragrostis refracta Meadow Love Grass FACW Dryopteris campyloptera Mountain Wood Fern UPL Eleocharis tuberculosa Cone-Cup Spike-Rush OBL Eragrostis reptans Creeping Love Grass FACW Dryopteris carthusiana Spinulose Wood Fern FAC Eleocharis vivipara Viviparous Spike-Rush OBL Eragrostis secundiflora Red Love Grass UPL Dryopteris celsa Log Fern OBL Eleocharis wolfii Wolf's Spike-Rush OBL Eragrostis spectabilis Petticoat-Climber UPL Dryopteris clintoniana Clinton's Wood Fern FACW Elephantopus carolinianus Carolina Elephant's-Foot FACU Eragrostis unioloides Chinese Love Grass FAC Dryopteris cristata Crested Wood Fern FACW Elephantopus elatus Tall Elephant's-Foot FACU Erica tetralix Cross-Leaf Heath FACU Dryopteris goldiana Goldie's Wood Fern FAC Elephantopus nudatus Smooth Elephant's-Foot FAC Erigeron annuus Eastern Daisy Fleabane FACU Dryopteris intermedia Evergreen Wood Fern FACU Eleusine indica Indian Goose Grass FACU Erigeron bonariensis Asthmaweed FACU Dryopteris ludoviciana Southern Wood Fern FACW Elionurus tripsacoides Pan-American Balsamscale FAC Erigeron canadensis Canadian Horseweed FACU Dryopteris marginalis Marginal Wood Fern FACU Ellisia nyctelea Aunt Lucy FACU Erigeron philadelphicus Philadelphia Fleabane FACU Dulichium arundinaceum Three-Way Sedge OBL Elodea canadensis Canadian Waterweed OBL Erigeron pulchellus Robin's-Plantain FACU Dysphania ambrosioides Mexican-Tea FACU Elodea nuttallii Western Waterweed OBL Erigeron quercifolius Oak-Leaf Fleabane FACW Dysphania botrys Jerusalem-Oak UPL Elodea schweinitzii Schweinitz's Waterweed OBL Erigeron strigosus Prairie Fleabane FACU Echinochloa colona Jungle-Rice FACW Elymus canadensis Nodding Wild Rye FACU Erigeron vernus Early White-Top Fleabane OBL Echinochloa crus-galli Large Barnyard Grass FAC Elymus curvatus Awnless Wild Rye FAC Eriocaulon aquaticum Seven-Angle Pipewort OBL Echinochloa crus-pavonis Gulf Cock's-Spur Grass FACW Elymus elymoides Western Bottle-Brush Grass FACU Eriocaulon cinereum Ashy Pipewort OBL Echinochloa esculenta Japanese Water Grass FACU Elymus glaucus Blue Wild Rye FACU Eriocaulon compressum Flattened Pipewort OBL Echinochloa frumentacea Japanese-Millet UPL Elymus hystrix Eastern Bottle-Brush Grass UPL Eriocaulon decangulare Ten-Angle Pipewort OBL Eriocaulon koernickianum Gulf Pipewort OBL FACW Galinsoga quadriradiata Shaggy-Soldier FACU Eriocaulon lineare Narrow Pipewort OBL Eurybia radula Rough Wood-Aster OBL Galium aparine Sticky-Willy FACU Eriocaulon parkeri Estuary Pipewort OBL Eustachys petraea Pinewoods Finger Grass FACU Galium asprellum Rough Bedstraw OBL Eriocaulon ravenelii Ravenel's Pipewort OBL Eustoma exaltatum Catchfly Prairie-Gentian FACW Galium boreale Northern Bedstraw FACU Eriocaulon texense Texas Pipewort OBL Euthamia caroliniana Slender Goldentop FAC Galium circaezans Licorice Bedstraw UPL Eriochloa acuminata Taper-Tip Cup Grass FAC Euthamia graminifolia Flat-Top Goldentop FAC Galium concinnum Shining Bedstraw UPL Eriochloa contracta Prairie Cup Grass FACU Euthamia gymnospermoides Texas Goldentop FAC Galium divaricatum Lamarck's Bedstraw FAC Eriochloa punctata Louisiana Cup Grass FACW Euthamia leptocephala Bushy Goldentop FACW Galium labradoricum Northern Bog Bedstraw OBL Eriophorum angustifolium Tall Cotton-Grass OBL Eutrochium dubium Coastal-Plain Trumpetweed FACW Galium mollugo White Bedstraw FACU Eriophorum gracile Slender Cotton-Grass OBL Eutrochium fistulosum Trumpetweed FACW Galium obtusum Blunt-Leaf Bedstraw FACW Eriophorum tenellum Few-Nerve Cotton-Grass OBL Eutrochium maculatum Spotted Trumpetweed FACW Galium palustre Common Marsh Bedstraw OBL Eriophorum vaginatum Tussock Cotton-Grass OBL Eutrochium purpureum Sweet-Scented Joe-Pye-Weed FAC Galium parisiense Wall Bedstraw FACU Eriophorum virginicum Tawny Cotton-Grass OBL Fagus grandifolia American Beech FACU Galium tinctorium Stiff Marsh Bedstraw OBL Eriophorum viridicarinatum Tassel Cotton-Grass OBL Fallopia convolvulus Black-Bindweed FACU Galium trifidum Three-Petal Bedstraw FACW Eryngium aquaticum Rattlesnake-Master OBL Fallopia dumetorum Corpse Black-Bindweed FACU Galium triflorum Fragrant Bedstraw FACU Eryngium campestre Field Eryngo FAC Fallopia scandens Climbing Black-Bindweed FAC Galium uniflorum One-Flower Bedstraw FACU Eryngium foetidum Spiritweed FAC Fatoua villosa Hairy Crabweed FAC Gamochaeta pensylvanica Pennsylvania Everlasting UPL Eryngium hookeri Hooker's Eryngo FACW Festuca ovina Sheep Fescue UPL Gamochaeta purpurea Spoon-Leaf Purple Everlasting UPL Eryngium integrifolium Blue-Flower Eryngo FACW Festuca paradoxa Clustered Fescue FAC Gaultheria hispidula Creeping-Snowberry FACW Eryngium prostratum Creeping Eryngo OBL Festuca rubra Red Fescue FACU Gaultheria procumbens Eastern Teaberry FACU Eryngium yuccifolium Button Eryngo FAC Festuca subverticillata Nodding Fescue FACU Gaylussacia baccata Black Huckleberry FACU Erysimum cheiranthoides Worm-Seed Wallflower FAC Festuca trachyphylla Hard Fescue UPL Gaylussacia bigeloviana Northern Dwarf Huckleberry OBL Erythronium albidum Small White Fawn-Lily FACU Ficaria verna Eurasian-Buttercup FAC Gaylussacia dumosa Southern Dwarf Huckleberry FAC Erythronium rostratum Yellow Trout-Lily UPL Ficus carica Common Fig FACU Gaylussacia frondosa Blue Huckleberry FAC Erythronium umbilicatum Dimpled Trout-Lily FAC Filipendula rubra Queen-of-the-Prairie FACW Gaylussacia nana Confederate Huckleberry FACU Eubotrys racemosa Swamp Deciduous-Doghobble FACW Filipendula ulmaria Queen-of-the-Meadow FACW Gaylussacia orocola Blue Ridge Huckleberry OBL Eubotrys recurva Red-Twig Deciduous-Doghobble Fimbristylis annua Annual Fimbry FACW Gaylussacia tomentosa Hairy-Twig Huckleberry FACU FACU Fimbristylis autumnalis Slender Fimbry FACW Gelsemium rankinii Rankin's Trumpet-Flower FAC Euonymus americanus American Strawberry-Bush FAC Fimbristylis castanea Marsh Fimbry OBL Gelsemium sempervirens Evening Trumpet-Flower FAC Euonymus atropurpureus Eastern Wahoo FACU Fimbristylis decipiens Southern Fimbry FACW Gentiana alba Yellow Gentian FACU Euonymus obovatus Running Strawberry-Bush FAC Fimbristylis dichotoma Forked Fimbry OBL Gentiana andrewsii Closed Bottle Gentian FACW Eupatorium X cordigerum FAC Fimbristylis littoralis Grass-Like Fimbry OBL Gentiana autumnalis Pine-Barren Gentian FACW Eupatorium anomalum Florida Thoroughwort FACU Fimbristylis perpusilla Harper's Fimbry OBL Gentiana catesbaei Elliott's Gentian OBL Eupatorium capillifolium Dog-Fennel FACU Fimbristylis puberula Hairy Fimbry OBL Gentiana clausa Bottle Gentian FACW Eupatorium compositifolium Yankeeweed FAC Fimbristylis tomentosa Woolly Fimbry FACW Gentiana latidens Balsam Mountain Gentian FACW Eupatorium leptophyllum False Fennel FACW Fimbristylis vahlii Vahl's Fimbry OBL Gentiana linearis Narrow-Leaf Gentian OBL Eupatorium leucolepis Justiceweed FACW Flaveria campestris Alkali Yellowtops FAC Gentiana saponaria Harvestbells FACW Eupatorium mohrii Mohr's Thoroughwort FAC Flaveria trinervia Clustered Yellowtops FAC Gentianella quinquefolia Agueweed FAC Eupatorium perfoliatum Common Boneset FACW Fleischmannia incarnata Pink Slender-Thoroughwort FAC Gentianopsis crinita Greater Fringed-Gentian OBL Eupatorium pilosum Rough Boneset FACW Floerkea proserpinacoides False Mermaidweed FAC Gentianopsis virgata Lesser Fringed-Gentian FACW Eupatorium resinosum Pine-Barren Thoroughwort OBL Forestiera acuminata Eastern Swamp-Privet OBL Geranium maculatum Spotted Crane's-Bill FACU Eupatorium rotundifolium Round-Leaf Thoroughwort FAC Forestiera ligustrina Upland Swamp-Privet FAC Geranium robertianum Lesser Herbrobert FACU Eupatorium semiserratum Small-Flower Thoroughwort FACW Forestiera pubescens Stretchberry FACU Geum aleppicum Yellow Avens FAC Eupatorium serotinum Late-Flowering Thoroughwort FAC Fothergilla gardenii Dwarf Witch-Alder FACW Geum canadense White Avens FACU Euphorbia commutata Tinted Woodland Spurge FACU Fragaria vesca Woodland Strawberry FACU Geum laciniatum Rough Avens FAC Euphorbia curtisii Curtis' Spurge FAC Fragaria virginiana Virginia Strawberry FACU Geum rivale Purple Avens OBL Euphorbia cyathophora Fire-on-the-Mountain UPL Frangula alnus Glossy False Buckthorn FAC Geum vernum Spring Avens FACU Euphorbia heterophylla Mexican-Fireplant FACU Frangula caroliniana Carolina False Buckthorn FAC Geum virginianum Cream Avens FAC Euphorbia hirta Pill-Pod Sandmat UPL Fraxinus americana White Ash FACU Glechoma hederacea Groundivy FACU Euphorbia humistrata Spreading Sandmat FAC Fraxinus caroliniana Carolina Ash OBL Gleditsia aquatica Water-Locust OBL Euphorbia hypericifolia Graceful Sandmat UPL Fraxinus nigra Black Ash FACW Gleditsia triacanthos Honey-Locust FAC Euphorbia hyssopifolia Hyssop-Leaf Sandmat FAC Fraxinus pennsylvanica Green Ash FACW Glinus lotoides Lotus Sweetjuice FACW Euphorbia maculata Spotted Sandmat FACU Fraxinus profunda Pumpkin Ash OBL Glinus radiatus Spreading Sweetjuice FACW Euphorbia marginata Snow-on-the-Mountain UPL Fuirena breviseta Saltmarsh Umbrella Sedge OBL Glossostigma cleistanthum Mudmats OBL Euphorbia nutans Eyebane FACU Fuirena pumila Dwarf Umbrella Sedge OBL Glyceria acutiflora Creeping Manna Grass OBL Euphorbia polygonifolia Seaside Sandmat FACU Fuirena simplex Western Umbrella Sedge OBL Glyceria arkansana Arkansas Manna Grass OBL Euphorbia prostrata Prostrate Sandmat FACU Fuirena squarrosa Hairy Umbrella Sedge OBL Glyceria borealis Small Floating Manna Grass OBL Euphorbia purpurea Darlington's Glade Spurge FAC Funastrum cynanchoides Fringed Twinevine FACU Glyceria canadensis Rattlesnake Manna Grass OBL Euphorbia serpens Matted Sandmat FACW Gaillardia pulchella Firewheel UPL Glyceria declinata Waxy Manna Grass FACW Euphorbia spathulata Warty Spurge FACU Galactia mollis Soft Milk-Pea FAC Glyceria fluitans Water Manna Grass OBL Eurybia compacta Savannah Wood-Aster FACU Galactia volubilis Downy Milk-Pea FACU Glyceria grandis American Manna Grass OBL Eurybia hemispherica Prairie Wood-Aster FACU Galax urceolata Beetleweed FACU Glyceria laxa Limp Manna Grass FACW Eurybia macrophylla Large-Leaf Wood-Aster UPL Galeopsis tetrahit Brittle-Stem Hemp-Nettle FACU Glyceria melicaria Melic Manna Grass OBL Eurybia paludosa Southern Swamp Grass-Leaf-Aster Galinsoga parviflora Gallant-Soldier UPL Glyceria nubigena Great Smoky Mountain Manna Grass OBL Helianthus maximiliani Maximilian Sunflower UPL Hydrocotyle ranunculoides Floating Marsh-Pennywort OBL Glyceria obtusa Atlantic Manna Grass OBL Helianthus microcephalus Small Woodland Sunflower UPL Hydrocotyle sibthorpioides Lawn Marsh-Pennywort FACW Glyceria septentrionalis Floating Manna Grass OBL Helianthus nuttallii Nuttall's Sunflower FACW Hydrocotyle umbellata Many-Flower Marsh-Pennywort OBL Glyceria striata Fowl Manna Grass OBL Helianthus occidentalis Few-Leaf Sunflower UPL Hydrocotyle verticillata Whorled Marsh-Pennywort OBL Glycyrrhiza lepidota American Licorice UPL Helianthus simulans Muck Sunflower FACW Hydrolea ovata Ovate False Fiddleleaf OBL Gnaphalium uliginosum Marsh Cudweed FAC Helianthus strumosus Pale-Leaf Woodland Sunflower FACU Hydrolea quadrivalvis Waterpod OBL Gomphrena globosa Common Globe-Amaranth UPL Helianthus tuberosus Jerusalem-Artichoke FACU Hydrolea uniflora One-Flower False Fiddleleaf OBL Gonolobus suberosus Angular-Fruit Anglepod FACW Helianthus verticillatus Whorled Sunflower OBL Hydrophyllum canadense Blunt-Leaf Waterleaf FACU Goodyera pubescens Downy Rattlesnake-Plantain FACU Heliopsis helianthoides Smooth Oxeye FACU Hydrophyllum virginianum Shawnee-Salad FAC Goodyera repens Dwarf Rattlesnake-Plantain FACU Heliotropium curassavicum Seaside Heliotrope OBL Hymenocallis coronaria Shoals Spider-Lily OBL Goodyera tesselata Checkered Rattlesnake-Plantain Heliotropium indicum Indian Heliotrope FAC Hymenocallis crassifolia Coastal Carolina Spider-Lily OBL FACU Heliotropium procumbens Four-Spike Heliotrope FACW Hymenocallis liriosme Spring Spider-Lily OBL Gordonia lasianthus Loblolly-Bay FACW Heliotropium supinum Dwarf Heliotrope FACU Hymenocallis occidentalis Carolina Spider-Lily OBL Gossypium hirsutum Upland Cotton FACU Helminthotheca echioides Akan Asante UPL Hypericum X dissimulatum FACW Gratiola amphiantha Little Hedge-Hyssop OBL Helonias bullata Swamp-Pink OBL Hypericum adpressum Creeping St. John's-Wort OBL Gratiola aurea Golden Hedge-Hyssop OBL Helosciadium nodiflorum Fool's-Watercress OBL Hypericum ascyron Great St. John's-Wort FAC Gratiola brevifolia Sticky Hedge-Hyssop FACW Hemarthria altissima Limpo Grass FACW Hypericum boreale Northern St. John's-Wort OBL Gratiola floridana Florida Hedge-Hyssop OBL Hemerocallis fulva Orange Day-Lily FACU Hypericum brachyphyllum Coastal-Plain St. John's-Wort FACW Gratiola neglecta Clammy Hedge-Hyssop OBL Heracleum mantegazzianum Giant Hogweed FAC Hypericum buckleyi Blueridge St. John's-Wort FAC Gratiola quartermaniae Quarterman's Hedge-Hyssop FAC Heracleum maximum American Cow-Parsnip FAC Hypericum canadense Lesser Canadian St. John's-Wort Gratiola ramosa Branched Hedge-Hyssop FACW Heracleum sphondylium Eltrot UPL FACW Gratiola virginiana Round-Fruit Hedge-Hyssop OBL Hesperis matronalis Mother-of-the-Evening FACU Hypericum cistifolium Round-Pod St. John's-Wort FACW Gratiola viscidula Short's Hedge-Hyssop OBL Heteranthera dubia Grass-Leaf Mud-Plantain OBL Hypericum crux-andreae St. Peter's-Wort FACU Grindelia camporum Great Valley Gumweed FACU Heteranthera limosa Blue Mud-Plantain OBL Hypericum densiflorum Bushy St. John's-Wort FACW Grindelia ciliata Spanishgold FACU Heteranthera reniformis Kidney-Leaf Mud-Plantain OBL Hypericum denticulatum Coppery St. John's-Wort FACW Grindelia squarrosa Curly-Cup Gumweed FACU Heuchera americana American Alumroot FACU Hypericum drummondii Nits-and-Lice UPL Gymnocarpium dryopteris Northern Oak Fern UPL Heuchera richardsonii Richardson's Alumroot FAC Hypericum ellipticum Pale St. John's-Wort OBL Gymnopogon brevifolius Short-Leaf Skeleton Grass FACU Hexalectris spicata Spiked Crested-Coralroot UPL Hypericum fasciculatum Peel-Bark St. John's-Wort FACW Gynandropsis gynandra Spiderwisp FAC Hexastylis arifolia Little-Brown-Jug FAC Hypericum fraseri Fraser's St. John's-Wort OBL Habenaria quinqueseta Long-Horn False Rein Orchid FACW Hexastylis shuttleworthii Large-Flower Heartleaf FACU Hypericum galioides Bedstraw St. John's-Wort OBL Habenaria repens Water-Spider False Rein Orchid Hexastylis sorriei Sandhills Heartleaf FACW Hypericum gentianoides Orange-Grass UPL OBL Hexastylis speciosa Harper's Heartleaf FACW Hypericum graveolens Mountain St. John's-Wort FAC Hackelia floribunda Many-Flower Stickseed FACU Hexastylis virginica Virginia Heartleaf FACU Hypericum gymnanthum Clasping-Leaf St. John's-Wort OBL Hackelia virginiana Beggar's-Lice FACU Hibiscus aculeatus Comfortroot FACW Hypericum hypericoides St. Andrew's-Cross FACU Hackelochloa granularis Pit-Scale Grass FACU Hibiscus coccineus Scarlet Rose-Mallow OBL Hypericum majus Greater Canadian St. John's-Wort Halesia carolina Carolina Silverbell FAC Hibiscus laevis Halberd-Leaf Rose-Mallow OBL FACW Halesia diptera Two-Wing Silverbell FAC Hibiscus moscheutos Crimson-Eyed Rose-Mallow OBL Hypericum mitchellianum Blue Ridge St. John's-Wort FACU Hamamelis vernalis Ozark Witch-Hazel FACU Hieracium greenii Green's Hawkweed FACU Hypericum mutilum Dwarf St. John's-Wort FACW Hamamelis virginiana American Witch-Hazel FACU Hieracium gronovii Queendevil UPL Hypericum nitidum Carolina St. John's-Wort OBL Harperella fluviatilis Gulf River Harperella OBL Holcus lanatus Common Velvet Grass FAC Hypericum nudiflorum Early St. John's-Wort FACW Harperella nodosa Pond Harperella OBL Holcus mollis Creeping Velvet Grass FACU Hypericum perforatum Common St. John's-Wort FAC Harperella vivipara Atlantic River Harperella OBL Hopia obtusa Vine-Mesquite FACW Hypericum prolificum Shrubby St. John's-Wort FACU Hedera helix English Ivy FACU Hordeum brachyantherum Meadow Barley FAC Hypericum punctatum Spotted St. John's-Wort FAC Hedychium coronarium White Ginger-Lily FAC Hordeum jubatum Fox-Tail Barley FAC Hypericum setosum Hairy St. John's-Wort OBL Helanthium tenellum Dwarf Burhead Pygmy Swordplant Hordeum marinum Seaside Barley FACU Hypericum sphaerocarpum Round-Seed St. John's-Wort FAC OBL Hordeum murinum Wall Barley UPL Hypericum tenuifolium Atlantic St. John's-Wort FACU Helenium amarum Yellowdicks FACU Hordeum pusillum Little Barley FAC Hypericum tubulosum Lesser St. John's-Wort OBL Helenium autumnale Fall Sneezeweed FACW Hottonia inflata American Featherfoil OBL Hypericum virgatum Sharp-Leaf St. John's-Wort FACU Helenium brevifolium Short-Leaf Sneezeweed OBL Houstonia caerulea Quaker-Ladies FACU Hypericum virginicum Virginia St. John's-Wort OBL Helenium campestre Oldfield Sneezeweed FAC Houstonia pusilla Tiny Bluet FAC Hypericum walteri Greater St. John's-Wort OBL Helenium flexuosum Purple-Head Sneezeweed FAC Houstonia serpyllifolia Thyme-Leaf Bluet FAC Hypochaeris radicata Hairy Cat's-Ear UPL Helenium microcephalum Small-Head Sneezeweed FACW Houttuynia cordata Chameleon FAC Hypoxis curtissii Curtiss' Yellow Star-Grass FACW Helenium pinnatifidum Southeastern Sneezeweed OBL Humulus japonicus Japanese Hop FACU Hypoxis hirsuta Eastern Yellow Star-Grass FAC Helenium vernale Savannah Sneezeweed FACW Humulus lupulus Common Hop FACU Hypoxis juncea Fringed Yellow Star-Grass FACW Helenium virginicum Virginia Sneezeweed OBL Huperzia lucidula Shining Fir-Moss FACW Hypoxis rigida Chapman's Yellow Star-Grass FACW Helianthus angustifolius Swamp Sunflower FACW Huperzia porophila Rock Fir-Moss FACU Hypoxis sessilis Glossy-Seed Yellow Star-Grass Helianthus annuus Common Sunflower FAC Hybanthus concolor Eastern Green-Violet FACU FACU Helianthus debilis Cucumber-Leaf Sunflower UPL Hydrangea arborescens Wild Hydrangea FACU Hypoxis wrightii Bristle-Seed Yellow Star-Grass FAC Helianthus decapetalus Thin-Leaf Sunflower FACU Hydrangea paniculata Panicled Hydrangea FAC Hyptis alata Clustered Bush-Mint OBL Helianthus floridanus Florida Sunflower FACW Hydrilla verticillata Water-Thyme OBL Ilex amelanchier Sarvis Holly OBL Helianthus giganteus Giant Sunflower FACW Hydrocharis morsus-ranae Common Frogbit OBL Ilex cassine Dahoon FACW Helianthus grosseserratus Saw-Tooth Sunflower FACW Hydrocotyle americana American Marsh-Pennywort OBL Ilex collina Long-Stalk Holly FACW Helianthus heterophyllus Variable-Leaf Sunflower OBL Hydrocotyle bonariensis Coastal Marsh-Pennywort FACW Ilex coriacea Large Gallberry FACW Helianthus longifolius Long-Leaf Sunflower FAC Hydrocotyle prolifera Proliferous Marsh-Pennywort OBL Ilex cuthbertii Cuthbert's Holly FACW Ilex decidua Deciduous Holly FACW Isoetes saccharata Sugary Quillwort OBL Juncus secundus Lopsided Rush FACU Ilex glabra Inkberry FAC Isoetes tegetiformans Merlin's-Grass OBL Juncus subcaudatus Woodland Rush OBL Ilex laevigata Smooth Winterberry OBL Isoetes tennesseensis Tennessee Quillwort OBL Juncus tenuis Lesser Poverty Rush FAC Ilex longipes Georgia Holly FAC Isoetes tuckermanii Tuckerman's Quillwort OBL Juncus torreyi Torrey's Rush FACW Ilex montana Mountain Holly FACU Isoetes valida True Quillwort OBL Juncus trifidus Highland Rush FACU Ilex myrtifolia Myrtle Dahoon FACW Isoetes virginica Virginia Quillwort OBL Juncus trigonocarpus Red-Pod Rush OBL Ilex opaca American Holly FACU Isolepis carinata Keeled Lateral-Bulrush FACW Juncus validus Round-Head Rush FACW Ilex verticillata Common Winterberry FACW Isolepis pseudosetacea Gulf Coast Lateral-Bulrush OBL Juncus vaseyi Vasey's Rush FACW Ilex vomitoria Yaupon FAC Isolepis setacea Bristle-Leaf Lateral-Bulrush OBL Juniperus communis Common Juniper FACU Iliamna corei Core's Wild Hollyhock FAC Isotrema tomentosum Woolly Pipevine FAC Juniperus virginiana Eastern Red-Cedar FACU Illicium floridanum Florida Anisetree FACW Isotria medeoloides Green Five-Leaf Orchid FACU Justicia americana American Water-Willow OBL Illicium parviflorum Yellow Anisetree FACW Isotria verticillata Purple Five-Leaf Orchid FACU Justicia crassifolia Thick-Leaf Water-Willow OBL Impatiens balsamina Garden-Balsam UPL Itea virginica Virginia Sweetspire OBL Justicia lanceolata OBL Impatiens capensis Spotted Touch-Me-Not FACW Iva annua Annual Marsh-Elder FAC Justicia ovata Loose-Flower Water-Willow OBL Impatiens glandulifera Policeman's-Helmet FACW Iva frutescens Jesuit's-Bark FACW Kalmia angustifolia Sheep-Laurel FAC Impatiens pallida Pale Touch-Me-Not FACW Iva microcephala Small-Head Marsh-Elder FACW Kalmia buxifolia Sand-Myrtle FACU Impatiens walleriana Buzzy-Lizzy FACW Jacobaea vulgaris Stinking Willie UPL Kalmia carolina Carolina-Laurel FAC Imperata cylindrica Cogon Grass FACU Jacquemontia tamnifolia Hairy Clustervine FACU Kalmia cuneata Whitewicky FACW Indigofera suffruticosa Anil-de-Pasto UPL Jamesianthus alabamensis Alabama Warbonnet OBL Kalmia latifolia Mountain-Laurel FACU Inula helenium Elecampane FACU Juglans cinerea White Walnut FACU Kalmia polifolia Bog-Laurel OBL Iodanthus pinnatifidus Purple-Rocket FACW Juglans microcarpa Little Walnut FAC Kickxia elatine Sharp-Leaf Cancerwort FAC Ipomoea alba Tropical White Morning-Glory FAC Juglans nigra Black Walnut FACU Kosteletzkya pentacarpos Virginia Fen-Rose OBL Ipomoea cairica Mile-a-Minute-Vine FACU Juncus abortivus Pine-Barren Rush OBL Krigia biflora Two-Flower Dwarf-Dandelion FACU Ipomoea coccinea Redstar FACU Juncus acuminatus Knotty-Leaf Rush OBL Krigia caespitosa Weedy Dwarf-Dandelion FAC Ipomoea cordatotriloba Tievine FACU Juncus alpinoarticulatus Northern Green Rush OBL Krigia dandelion Potato Dwarf-Dandelion FAC Ipomoea hederacea Ivy-Leaf Morning-Glory FACU Juncus anthelatus Kentucky Rush FACW Krigia virginica Virginia Dwarf-Dandelion UPL Ipomoea hederifolia Scarlet-Creeper FAC Juncus articulatus Joint-Leaf Rush OBL Kummerowia stipulacea Korean-Clover FACU Ipomoea imperati Beach Morning-Glory FACU Juncus balticus Baltic Rush OBL Kummerowia striata Japanese-Clover FACU Ipomoea indica Ocean-Blue Morning-Glory FAC Juncus brachycarpus White-Root Rush FACW Kyllinga brevifolia Short-Leaf Spike Sedge FACW Ipomoea lacunosa Whitestar FACW Juncus brachycephalus Small-Head Rush OBL Kyllinga gracillima Pasture Spike Sedge FACU Ipomoea pandurata Man-of-the-Earth FACU Juncus brachyphyllus Short-Leaf Rush FAC Kyllinga odorata Fragrant Spike Sedge FACW Ipomoea pes-caprae Bay-Hops FAC Juncus brevicaudatus Narrow-Panicle Rush OBL Kyllinga pumila Low Spike Sedge FACW Ipomoea purpurea Common Morning-Glory UPL Juncus bufonius Toad Rush FACW Lachnanthes caroliniana Carolina Redroot OBL Ipomoea quamoclit Cypress-Vine UPL Juncus caesariensis New Jersey Rush OBL Lachnocaulon anceps White-Head Bogbutton OBL Ipomoea sagittata Glade Morning-Glory FACW Juncus canadensis Canadian Rush OBL Lachnocaulon minus Small's Bogbutton OBL Ipomoea wrightii Wright's Morning-Glory FACW Juncus capitatus Leafy-Bract Dwarf Rush FACU Lackeya multiflora FAC L.P. Iresine rhizomatosa Juda's-Bush FACW Juncus compressus Round-Fruit Rush FACW Queiroz & G.P. Lewis Iris brevicaulis Zigzag Iris OBL Juncus coriaceus Leathery Rush FACW Lactuca biennis Wild Blue Lettuce FACU Iris fulva Copper Iris OBL Juncus debilis Weak Rush OBL Lactuca canadensis Canadian Blue Lettuce FACU Iris prismatica Slender Blue Iris OBL Juncus dichotomus Forked Rush FACW Lactuca floridana Woodland Lettuce FACU Iris pseudacorus Pale-Yellow Iris OBL Juncus diffusissimus Slim-Pod Rush FACW Lactuca graminifolia Grass-Leaf Lettuce UPL Iris savannarum Prairie Iris OBL Juncus dudleyi Dudley's Rush FACW Lactuca ludoviciana Louisiana Lettuce UPL Iris tridentata Savannah Iris OBL Juncus effusus Lamp Rush FACW Lactuca saligna Willow-Leaf Lettuce UPL Iris versicolor Harlequin Blueflag OBL Juncus elliottii Elliott's Rush FACW Lactuca serriola Prickly Lettuce FAC Iris virginica Virginia Blueflag OBL Juncus filiformis Thread Rush FACW Lactuca tatarica Russian Blue Lettuce FAC Isoetes X altonharvillii OBL Juncus filipendulus Ring-Seed Rush FAC Landoltia punctata Dotted Duckmeat OBL Isoetes X brittonii OBL Juncus gerardii Saltmarsh Rush FACW Lantana camara Hedgeflower FACU Isoetes X bruntonii OBL Juncus greenei Greene's Rush FAC Lantana urticoides West Indian Shrub-Verbena FACU Isoetes X carltaylori OBL Juncus gymnocarpus Pennsylvania Rush OBL Laportea canadensis Canadian Wood-Nettle FAC Isoetes X dodgei OBL Juncus inflexus European Blue Rush FACW Lapsana communis Common Nipplewort FACU Isoetes X eatonii OBL Juncus interior Inland Rush FACU Larix laricina American Larch FACW Isoetes X fairbrothersii OBL Juncus longii Long's Rush OBL Lathyrus hirsutus Singletary Vetchling FAC Isoetes X harveyi OBL Juncus marginatus Bog Rush FACW Lathyrus japonicus Sea Vetchling FACU Isoetes acadiensis Acadian Quillwort OBL Juncus megacephalus Big-Head Rush OBL Lathyrus palustris Marsh Vetchling FACW Isoetes appalachiana Appalachian Quillwort OBL Juncus militaris Bayonet Rush OBL Lathyrus pratensis Meadow Vetchling FACU Isoetes butleri Limestone Quillwort FACW Juncus nodatus Stout Rush OBL Lathyrus pusillus Tiny Vetchling FAC Isoetes echinospora Spiny-Spore Quillwort OBL Juncus nodosus Knotted Rush OBL Lathyrus venosus Veiny Vetchling FACW Isoetes engelmannii Engelmann's Quillwort OBL Juncus pallidus Javelin-Grass OBL Leavenworthia aurea Golden Gladecress FACU Isoetes hyemalis Evergreen Quillwort OBL Juncus pelocarpus Brown-Fruit Rush OBL Leavenworthia torulosa Necklace Gladecress OBL Isoetes lacustris Western Lake Quillwort OBL Juncus polycephalos Many-Head Rush OBL Leavenworthia uniflora Michaux's Gladecress FAC Isoetes melanopoda Black-Foot Quillwort OBL Juncus pylaei Common Rush OBL Lechea torreyi Sandhill Pinweed FACU Isoetes melanospora Black-Spore Quillwort OBL Juncus repens Lesser Creeping Rush OBL Leersia hexandra Southern Cut Grass OBL Isoetes piedmontana Piedmont Quillwort OBL Juncus roemerianus Roemer's Rush OBL Leersia lenticularis Catchfly Grass OBL Isoetes riparia Shore Quillwort OBL Juncus scirpoides Needle-Pod Rush FACW Leersia oryzoides Rice Cut Grass OBL Leersia virginica White Grass FACW Lipocarpha aristulata Awned Halfchaff Sedge FACW Luzula bulbosa Bulbous Wood-Rush FACU Leitneria pilosa Hairy Corkwood FACW Lipocarpha drummondii Drummond's Halfchaff Sedge OBL Luzula echinata Hedgehog Wood-Rush FACU Lemna aequinoctialis Lesser Duckweed OBL Lipocarpha maculata American Halfchaff Sedge OBL Luzula multiflora Common Wood-Rush FACU Lemna minor Common Duckweed OBL Lipocarpha micrantha Small-Flower Halfchaff Sedge FACW Lycopodiella X copelandii FACW Lemna minuta Least Duckweed OBL Liquidambar styraciflua Sweet-Gum FAC Lycopodiella alopecuroides Fox-Tail Club-Moss FACW Lemna obscura Little Duckweed OBL Liriodendron tulipifera Tuliptree FACU Lycopodiella appressa Southern Appressed Club-Moss Lemna perpusilla Minute Duckweed OBL Litsea aestivalis Pondspice OBL FACW Lemna trisulca Ivy-Leaf Duckweed OBL Littorella americana American Shoreweed OBL Lycopodiella inundata Northern Bog Club-Moss OBL Lemna turionifera Turion Duckweed OBL Lobelia amoena Southern Lobelia OBL Lycopodiella margueritae Prostrate Club-Moss FACW Lemna valdiviana Pale Duckweed OBL Lobelia appendiculata Pale Lobelia FAC Lycopodiella prostrata Feather-Stem Club-Moss OBL Leonotis nepetifolia Christmas-Candlestick FACU Lobelia boykinii Boykin's Lobelia OBL Lycopodium clavatum Running Ground-Pine FAC Leontodon saxatilis Lesser Hawkbit FACU Lobelia brevifolia Short-Leaf Lobelia FAC Lycopodium lagopus Single-Cone Ground-Pine FACU Lepidium appelianum Globe-Pod Pepperwort FAC Lobelia canbyi Canby's Lobelia OBL Lycopus X sherardii OBL Lepidium densiflorum Miner's Pepperwort FAC Lobelia cardinalis Cardinal-Flower FACW Lycopus americanus Cut-Leaf Water-Horehound OBL Lepidium latifolium Broad-Leaf Pepperwort FAC Lobelia dortmanna Water Lobelia OBL Lycopus amplectens Clasping Water-Horehound OBL Lepidium perfoliatum Clasping Pepperwort UPL Lobelia elongata Long-Leaf Lobelia OBL Lycopus cokeri Carolina Water-Horehound OBL Lepidium virginicum Poorman's-Pepperwort FACU Lobelia flaccidifolia Fold-Ear Lobelia OBL Lycopus europaeus Gypsywort OBL Lepuropetalon spathulatum Petiteplant FACW Lobelia gattingeri Gattinger's Lobelia FAC Lycopus rubellus Taper-Leaf Water-Horehound OBL Lespedeza angustifolia Narrow-Leaf Bush-Clover FAC Lobelia glandulosa Glade Lobelia OBL Lycopus uniflorus Northern Water-Horehound OBL Lespedeza capitata Round-Head Bush-Clover FACU Lobelia inflata Indian-Tobacco FACU Lycopus virginicus Virginia Water-Horehound OBL Lespedeza cuneata Chinese Bush-Clover FACU Lobelia kalmii Brook Lobelia OBL Lygodium japonicum Japanese Climbing Fern FAC Leucanthemum vulgare Ox-Eye Daisy UPL Lobelia nuttallii Nuttall's Lobelia FACW Lygodium palmatum American Climbing Fern FACW Leucospora multifida Narrow-Leaf Paleseed OBL Lobelia puberula Downy Lobelia FACW Lyonia ligustrina Maleberry FACW Leucothoe axillaris Coastal Doghobble FACW Lobelia siphilitica Great Blue Lobelia FACW Lyonia lucida Shinyleaf FACW Leucothoe fontanesiana Highland Doghobble FACW Lobelia spicata Pale-Spike Lobelia FAC Lyonia mariana Piedmont Staggerbush FAC Liatris gracilis Slender Gayfeather FACU Lolium perenne Perennial Rye Grass FACU Lysimachia X producta FAC Liatris ligulistylis Strap-Style Gayfeather FACU Lonicera X bella FACU Lysimachia arvensis Scarlet Yellow-Loosestrife UPL Liatris pycnostachya Cat-Tail Gayfeather FACU Lonicera canadensis American Fly-Honeysuckle FACU Lysimachia asperulifolia Rough-Leaf Yellow-Loosestrife OBL Liatris scariosa Devil's-Bite FACU Lonicera dioica Limber Honeysuckle FACU Lysimachia ciliata Fringed Yellow-Loosestrife FACW Liatris spicata Dense Gayfeather FAC Lonicera hirsuta Hairy Honeysuckle FAC Lysimachia fraseri Fraser's Yellow-Loosestrife FAC Ligusticum canadense Canadian Wild Lovage FAC Lonicera japonica Japanese Honeysuckle FACU Lysimachia hybrida Lowland Yellow-Loosestrife OBL Ligustrum japonicum Japanese Privet UPL Lonicera morrowii Morrow's Honeysuckle FACU Lysimachia lanceolata Lance-Leaf Yellow-Loosestrife FAC Ligustrum sinense Chinese Privet FACU Lonicera oblongifolia Swamp Fly-Honeysuckle OBL Lysimachia loomisii Loomis' Yellow-Loosestrife OBL Ligustrum vulgare European Privet FACU Lonicera sempervirens Trumpet Honeysuckle FACU Lysimachia maritima Sea-Milkwort FAC Lilaeopsis carolinensis Carolina Grasswort OBL Lonicera tatarica Twinsisters FACU Lysimachia minima Chaffweed FACW Lilaeopsis chinensis Eastern Grasswort OBL Lonicera villosa Mountain Fly-Honeysuckle FACW Lysimachia nummularia Creeping-Jenny FACW Lilium canadense Canadian Lily FAC Lotus corniculatus Garden Bird's-Foot-Trefoil FACU Lysimachia punctata Large Yellow-Loosestrife OBL Lilium catesbaei Southern Red Lily FACW Lotus tenuis Narrow-Leaf Bird's-Foot-Trefoil FACU Lysimachia quadriflora Four-Flower Yellow-Loosestrife FACW Lilium grayi Gray's Lily FACU Ludwigia alternifolia Seedbox FACW Lysimachia quadrifolia Whorled Yellow-Loosestrife FACU Lilium michauxii Carolina Lily FAC Ludwigia arcuata Pond Primrose-Willow OBL Lysimachia radicans Trailing Yellow-Loosestrife OBL Lilium michiganense Michigan Lily FACW Ludwigia bonariensis Carolina Primrose-Willow OBL Lysimachia terrestris Swampcandles OBL Lilium philadelphicum Wood Lily FACU Ludwigia brevipes Long Beach Primrose-Willow OBL Lysimachia thyrsiflora Tufted Yellow-Loosestrife OBL Lilium pyrophilum Sandhills Lily OBL Ludwigia decurrens Wing-Leaf Primrose-Willow OBL Lysimachia vulgaris Garden Yellow-Loosestrife FAC Lilium superbum Turk's-Cap Lily FACW Ludwigia glandulosa Cylindric-Fruit Primrose-Willow OBL Lythrum alatum Wing-Angle Loosestrife FACW Limnobium spongia American Spongeplant OBL Ludwigia grandiflora Large-Flower Primrose-Willow OBL Lythrum californicum California Loosestrife OBL Limnosciadium pinnatum Tansy Dogshade FACW Ludwigia hirtella Spindleroot OBL Lythrum hyssopifolium Hyssop Loosestrife OBL Limnosciadium pumilum Prairie Dogshade OBL Ludwigia leptocarpa Angle-Stem Primrose-Willow OBL Lythrum lineare Saltmarsh Loosestrife OBL Limonium carolinianum Carolina Sea-Lavender OBL Ludwigia linearis Narrow-Leaf Primrose-Willow OBL Lythrum salicaria Purple Loosestrife FACW Limosella australis Welsh Mudwort OBL Ludwigia maritima Seaside Primrose-Willow FACW Macbridea caroliniana Carolina Birds-in-a-Nest OBL Lindera benzoin Northern Spicebush FAC Ludwigia microcarpa Small-Fruit Primrose-Willow OBL Maclura pomifera Osage-Orange UPL Lindera melissifolia Southern Spicebush OBL Ludwigia octovalvis Mexican Primrose-Willow OBL Macranthera flammea Flameflower OBL Lindera subcoriacea Bog Spicebush OBL Ludwigia palustris Marsh Primrose-Willow OBL Macroptilium lathyroides Wild Bush-Bean FACU Lindernia crustacea Malaysian False Pimpernel FACU Ludwigia peploides Floating Primrose-Willow OBL Macrothelypteris torresiana False Maiden Fern FAC Lindernia dubia Yellow-Seed False Pimpernel OBL Ludwigia peruviana Peruvian Primrose-Willow OBL Madia glomerata Mountain Tarplant FACU Lindernia monticola Piedmont False Pimpernel OBL Ludwigia pilosa Hairy Primrose-Willow OBL Magnolia acuminata Cucumber-Tree FACU Lindernia procumbens Prostrate False Pimpernel FACW Ludwigia polycarpa Many-Fruit Primrose-Willow OBL Magnolia ashei Ashe's Magnolia FACU Linnaea borealis American Twinflower FAC Ludwigia repens Creeping Primrose-Willow OBL Magnolia fraseri Fraser's Magnolia FACU Linum floridanum Florida Yellow Flax FAC Ludwigia spathulata Spoon Primrose-Willow OBL Magnolia grandiflora Southern Magnolia FACU Linum intercursum Sandplain Flax FACU Ludwigia sphaerocarpa Globe-Fruit Primrose-Willow OBL Magnolia tripetala Umbrella Magnolia FACU Linum medium Stiff Yellow Flax FACU Ludwigia suffruticosa Shrubby Primrose-Willow OBL Magnolia virginiana Sweet-Bay FACW Linum striatum Ridged Yellow Flax FACW Ludwigia virgata Savannah Primrose-Willow OBL Mahonia aquifolium Holly-Leaf Oregon-Grape UPL Linum virginianum Woodland Flax FACU Lupinus polyphyllus Blue-Pod Lupine FAC Mahonia nervosa Cascade Oregon-Grape FACU Liparis liliifolia Brown Wide-Lip Orchid FACU Luziola fluitans Southern Water Grass OBL Maianthemum canadense False Lily-of-the-Valley FAC Liparis loeselii Yellow Wide-Lip Orchid FACW Luzula acuminata Hairy Wood-Rush FAC Maianthemum racemosum Feathery False Solomon's-Seal FACU Maianthemum stellatum Starry False Solomon's-Seal FACW Micranthes petiolaris Michaux's Pseudosaxifrage FACU Myosotis discolor Yellow Scorpion-Grass UPL Maianthemum trifolium Three-Leaf False Solomon's-Seal Micranthes texana Texas Pseudosaxifrage FAC Myosotis laxa Bay Forget-Me-Not OBL OBL Micranthes virginiensis Early Pseudosaxifrage FAC Myosotis macrosperma Large-Seed Forget-Me-Not FAC Malaxis monophyllos White Adder's-Mouth Orchid FACW Micropolypodium nimbatum West Indian Dwarf-Polypody OBL Myosotis scorpioides True Forget-Me-Not OBL Malaxis unifolia Green Adder's-Mouth Orchid FAC Microstegium vimineum Japanese Stilt Grass FAC Myosotis sylvatica Woodland Forget-Me-Not UPL Malvastrum coromandelianum Three-Lobe False Mallow FACU Mikania scandens Climbing Hempvine FACW Myosotis verna Spring Forget-Me-Not FAC Malvaviscus arboreus Wax-Mallow UPL Milium effusum American Millet Grass FACU Myosoton aquaticum Giant-Chickweed FACW Marrubium vulgare White Horehound UPL Mimosa pudica Shameplant FACU Myosurus minimus Tiny Mousetail FACW Marshallia caespitosa Puffballs FACU Mimosa strigillosa Powderpuff FAC Myrica gale Sweetgale OBL Marshallia graminifolia Grass-Leaf Barbara's-Buttons OBL Mimulus alatus Sharp-Wing Monkey-Flower OBL Myriophyllum aquaticum Parrot's-Feather OBL Marshallia grandiflora Monongahela Barbara's-Buttons Mimulus floribundus Purple-Stem Monkey-Flower OBL Myriophyllum farwellii Farwell's Water-Milfoil OBL FAC Mimulus glabratus Round-Leaf Monkey-Flower OBL Myriophyllum heterophyllum Two-Leaf Water-Milfoil OBL Marshallia mohrii Mohr's Barbara's-Buttons FACW Mimulus guttatus Seep Monkey-Flower OBL Myriophyllum humile Low Water-Milfoil OBL Marshallia ramosa Southern Barbara's-Buttons FACU Mimulus moschatus Muskflower OBL Myriophyllum laxum Loose Water-Milfoil OBL Marshallia trinervia Broad-Leaf Barbara's-Buttons FACU Mimulus ringens Allegheny Monkey-Flower OBL Myriophyllum pinnatum Cut-Leaf Water-Milfoil OBL Marsilea minuta Dwarf Water-Clover OBL Minuartia godfreyi Godfrey's Stitchwort FACW Myriophyllum sibiricum Siberian Water-Milfoil OBL Marsilea mutica Australian Water-Clover OBL Minuartia muscorum Dixie Stitchwort FACU Myriophyllum spicatum Eurasian Water-Milfoil OBL Marsilea quadrifolia European Water-Clover OBL Minuartia patula Pitcher's Stitchwort UPL Myriophyllum tenellum Slender Water-Milfoil OBL Marsilea vestita Hairy Water-Clover OBL Minuartia uniflora One-Flower Stitchwort FACW Myriophyllum verticillatum Whorled Water-Milfoil OBL Matricaria discoidea Pineapple-Weed FACU Mirabilis jalapa Marvel-of-Peru UPL Nabalus albus White Rattlesnake-Root FACU Matteuccia struthiopteris Ostrich Fern FACW Mirabilis nyctaginea Heart-Leaf Four-O'clock FACU Nabalus altissimus Tall Rattlesnake-Root FACU Mayaca fluviatilis Stream Bog-Moss OBL Miscanthus sinensis Chinese Silver Grass FACU Nabalus autumnalis Slender Rattlesnake-Root FAC Mazus pumilus Japanese Mazus FACU Mitchella repens Partridge-Berry FACU Nabalus crepidineus Nodding Rattlesnake-Root FACU Mecardonia acuminata Axil-Flower OBL Mitella diphylla Two-Leaf Bishop's-Cap FACU Nabalus racemosus Purple Rattlesnake-Root FACW Medeola virginiana Indian Cucumber-Root FAC Mitella nuda Bare-Stem Bishop's-Cap FACW Najas flexilis Wavy Waternymph OBL Medicago lupulina Black Medick FACU Mitreola petiolata Lax Hornpod FACW Najas gracillima Slender Waternymph OBL Medicago polymorpha Toothed Medick FACU Mitreola sessilifolia Swamp Hornpod FACW Najas guadalupensis Guadalupe Waternymph OBL Medicago sativa Alfalfa UPL Modiola caroliniana Carolina Bristle-Mallow FACU Najas marina Holly-Leaf Waternymph OBL Meehania cordata Meehan's-Mint FACU Moehringia lateriflora Blunt-Leaf Grove-Sandwort FAC Najas minor Brittle Waternymph OBL Megathyrsus maximus Guinea Grass FAC Molinia caerulea Purple Moor Grass FACU Nama jamaicense Jamaican-Weed FACW Melampyrum lineare American Cow-Wheat FACU Mollugo cerviana Thread-Stem Carpetweed FAC Napaea dioica Glade-Mallow FACW Melanthera nivea Snow Squarestem FACU Mollugo verticillata Green Carpetweed FAC Narthecium americanum Yellow Asphodel FACW Melia azedarach China-Berry UPL Momordica charantia Balsam-Pear UPL Narthecium montanum Mountain Asphodel FACW Melilotus indicus Indian Sweet-Clover FACU Monarda clinopodia White Bergamot FACU Nasturtium microphyllum One-Row Watercress OBL Melilotus officinalis Yellow Sweet-Clover FACU Monarda didyma Scarlet Beebalm FAC Nasturtium officinale Watercress OBL Melinis repens Creeping Molasses Grass UPL Monarda fistulosa Oswego-Tea UPL Navarretia intertexta Needle-Leaf Pincushion-Plant FACW Melissa officinalis Lemonbalm UPL Monarda punctata Spotted Beebalm UPL Navarretia squarrosa Skunkweed FACU Melochia corchorifolia Chocolate-Weed FAC Monolepis nuttalliana Nuttall's Poverty-Weed UPL Nelumbo lutea American Lotus OBL Melothria pendula Guadeloupe-Cucumber FAC Monotropa uniflora One-Flower Indian-Pipe FACU Nelumbo nucifera Sacred Lotus OBL Menispermum canadense Canadian Moonseed FACU Montia linearis Linear-Leaf Candy-Flower FAC Nemopanthus mucronatus Catberry OBL Mentha X gracilis FACW Morella caroliniensis Evergreen Bayberry FAC Nemophila aphylla Small-Flower Baby-Blue-Eyes FACW Mentha X piperita FACW Morella cerifera Southern Bayberry FAC Neottia bifolia Southern Twayblade FACW Mentha X rotundifolia FACU Morella pensylvanica Northern Bayberry FAC Neottia cordata Heart-Leaf Twayblade FACW Mentha X villosa OBL Morus alba White Mulberry UPL Neottia smallii Kidney-Leaf Twayblade FACW Mentha aquatica Water Mint FACW Morus rubra Red Mulberry FACU Nepeta cataria Catnip FACU Mentha arvensis American Wild Mint FACW Mosla dianthera Miniature-Beefsteakplant FACU Neptunia lutea Yellow Puff FACU Mentha pulegium Pennyroyal OBL Muhlenbergia asperifolia Alkali Muhly FACW Neptunia oleracea Garden Puff FACW Mentha spicata Spearmint FACW Muhlenbergia capillaris Hair-Awn Muhly FACU Nicotiana glauca Tree Tobacco FAC Mentha suaveolens Apple Mint FACW Muhlenbergia expansa Spreading Muhly FACW Nicotiana obtusifolia Desert Tobacco FACU Menyanthes trifoliata Buck-Bean OBL Muhlenbergia frondosa Wire-Stem Muhly FAC Nicotiana plumbaginifolia Tex-Mex Tobacco FAC Menziesia pilosa Minniebush FAC Muhlenbergia glabrifloris Smooth Muhly FAC Nicotiana tabacum Cultivated Tobacco UPL Merremia dissecta Noyau-Vine FACU Muhlenbergia glomerata Spiked Muhly FACW Nothoscordum bivalve Crowpoison FACU Mertensia virginica Virginia Bluebells FACW Muhlenbergia mexicana Mexican Muhly FACW Nuphar X rubrodisca OBL Mesembryanthemum crystallinum Crystalline Muhlenbergia racemosa Green Muhly FAC Nuphar advena Yellow Pond-Lily OBL Iceplant FAC Muhlenbergia reverchonii Seep Muhly FAC Nuphar microphylla OBL Micranthemum micranthemoides Nuttall's Muhlenbergia schreberi Nimblewill FAC Nuphar sagittifolia OBL Mudflower OBL Muhlenbergia sericea Slender Muhly FAC Nuphar variegata OBL Micranthemum umbrosum Shade Mudflower OBL Muhlenbergia sylvatica Woodland Muhly FAC Nymphaea X marliacea OBL Micranthes careyana Golden-Eye Pseudosaxifrage FAC Muhlenbergia tenuiflora Slim-Flower Muhly FACU Nymphaea X thiona OBL Micranthes caroliniana Carolina Pseudosaxifrage FACW Muhlenbergia torreyana New Jersey Muhly FACW Nymphaea mexicana Banana Water-Lily OBL Micranthes micranthidifolia Lettuce-Leaf Pseudosaxifrage OBL Muhlenbergia uniflora Bog Muhly OBL Nymphaea odorata American White Water-Lily OBL Micranthes palmeri Palmer's Pseudosaxifrage FAC Murdannia keisak Wart-Removing-Herb OBL Nymphoides aquatica Big Floatingheart OBL Micranthes pensylvanica Eastern Swamp Pseudosaxifrage Murdannia nudiflora Naked-Stem Dewflower FAC Nymphoides cordata Little Floatingheart OBL OBL Myosotis arvensis Rough Forget-Me-Not UPL Nymphoides peltata Yellow Floatingheart OBL Nyssa aquatica Water Tupelo OBL Packera paupercula Balsam Groundsel FAC Peltandra virginica Green Arrow-Arum OBL Nyssa biflora Swamp Tupelo FACW Packera plattensis Prairie Groundsel FACU Penstemon alluviorum Lowland Beardtongue FACW Nyssa ogeche Ogeechee Tupelo OBL Packera pseudaurea Streambank Groundsel FACW Penstemon australis Eustis Lake Beardtongue FACU Nyssa sylvatica Black Tupelo FAC Packera schweinitziana Schweinitz's Groundsel FACW Penstemon calycosus Long-Sepal Beardtongue UPL Ocimum basilicum Sweet Basil UPL Packera tampicana Great Plains Groundsel FACW Penstemon digitalis Foxglove Beardtongue FAC Oclemena X blakei FACW Packera tomentosa Woolly Groundsel FACU Penstemon laevigatus Eastern Smooth Beardtongue FACU Oclemena acuminata Whorled Nodding-Aster FACU Paederia foetida Chinese Fevervine FACU Penstemon laxiflorus Nodding Beardtongue FAC Oclemena nemoralis Bog Nodding-Aster FACW Palhinhaea cernua Monkey's Paw FAC Penstemon pallidus Pale Beardtongue FACU Oenanthe aquatica Fine-Leaf Water-Dropwort OBL Panicum amarum Bitter Panic Grass FACU Penstemon tenuis Sharp-Sepal Beardtongue FACW Oenanthe javanica Water-Celery OBL Panicum bisulcatum Japanese Panic Grass FACW Penthorum sedoides Ditch-Stonecrop OBL Oenothera biennis King's-Cureall FACU Panicum brachyanthum Prairie Panic Grass FAC Pentodon pentandrus Hale's Pentodon OBL Oenothera curtiflora Velvetweed UPL Panicum capillare Common Panic Grass FAC Peperomia pellucida Man-To-Man UPL Oenothera elata Hooker's Evening-Primrose FACU Panicum dichotomiflorum Fall Panic Grass FACW Perilla frutescens Beefsteakplant FACU Oenothera fruticosa Narrow-Leaf Evening-Primrose FAC Panicum flexile Wiry Panic Grass FACU Peritoma serrulata Rocky Mountain Beeplant FACU Oenothera gaura Biennial Evening-Primrose FACU Panicum gattingeri Gattinger's Panic Grass FAC Persea borbonia Red Bay FACW Oenothera laciniata Cut-Leaf Evening-Primrose FACU Panicum hallii Hall's Panic Grass FACU Persea palustris Swamp Bay FACW Oenothera parviflora Northern Evening-Primrose FACU Panicum hemitomon Maiden-Cane FACW Persicaria amphibia Water Smartweed OBL Oenothera perennis Small Evening-Primrose FAC Panicum paludosum Marsh Panic Grass OBL Persicaria arifolia Halberd-Leaf Tearthumb OBL Oenothera pilosella Meadow Evening-Primrose FAC Panicum philadelphicum Philadelphia Panic Grass FAC Persicaria bicornis Pink Knotweed FACW Oenothera rhombipetala Greater Four-Point Evening-Primrose Panicum repens Torpedo Grass FACW Persicaria careyi Carey's Smartweed FACW FACU Panicum verrucosum Warty Panic Grass FACW Persicaria glabra Smooth Smartweed OBL Oenothera villosa Hairy Evening-Primrose FAC Panicum virgatum Wand Panic Grass FAC Persicaria hirsuta Hairy Smartweed OBL Oldenlandia boscii Bosc's Mille-Graines FACW Parapholis incurva Curved Sickle Grass FACU Persicaria hydropiper Mild Water-Pepper OBL Oldenlandia corymbosa Flat-Top Mille-Graines FAC Parathelypteris noveboracensis New York Fern FAC Persicaria hydropiperoides Swamp Smartweed OBL Oldenlandia uniflora Clustered Mille-Graines FACW Parathelypteris simulata Bog Fern FACW Persicaria lapathifolia Dock-Leaf Smartweed FACW Onoclea sensibilis Sensitive Fern FACW Parentucellia viscosa Yellow Glandweed FAC Persicaria longiseta Bristly Lady's-Thumb FAC Ophioglossum crotalophoroides Bulbous Parietaria floridana Florida Pellitory FAC Persicaria maculosa Spotted Lady's-Thumb FACW Adder's-Tongue FAC Parietaria pensylvanica Pennsylvania Pellitory FACU Persicaria meisneriana Branched Tearthumb FAC Ophioglossum engelmannii Limestone Adder's-Tongue FACU Parietaria praetermissa Clustered Pellitory FAC Persicaria minor Pygmy Smartweed OBL Ophioglossum nudicaule Least Adder's-Tongue FAC Parnassia asarifolia Kidney-Leaf Grass-of-Parnassus Persicaria orientalis Kiss-Me-Over-the-Garden-Gate FACU Ophioglossum petiolatum Long-Stem Adder's-Tongue FAC OBL Persicaria pensylvanica Pinkweed FACW Ophioglossum pusillum Northern Adder's-Tongue FACW Parnassia caroliniana Carolina Grass-of-Parnassus OBL Persicaria perfoliata Asiatic Tearthumb FAC Ophioglossum vulgatum Southern Adder's-Tongue FACW Parnassia glauca Fen Grass-of-Parnassus OBL Persicaria posumbu Oriental Lady's-Thumb FACU Oplismenus hirtellus Long-Leaf Basket Grass FACU Parnassia grandifolia Large-Leaf Grass-of-Parnassus OBL Persicaria punctata Dotted Smartweed OBL Opuntia stricta Erect Prickly-Pear UPL Parthenium hysterophorus Santa Maria Feverfew FAC Persicaria robustior Stout Smartweed OBL Orbexilum pedunculatum Sampson's-Snakeroot FACU Parthenocissus inserta Thicket-Creeper FACU Persicaria sagittata Arrow-Leaf Tearthumb OBL Orbexilum simplex Single-Stem Leather-Root FAC Parthenocissus quinquefolia Virginia-Creeper FACU Persicaria setacea Bog Smartweed OBL Ornithogalum caudatum False Sea-Onion FACU Pascopyrum smithii Western-Wheat Grass UPL Persicaria virginiana Jumpseed FAC Ornithogalum umbellatum Sleepydick FACU Paspalidium geminatum Egyptian Water Crown Grass OBL Persicaria wallichii Garden Smartweed FAC Orobanche riparia River Broom-Rape FACW Paspalum acuminatum Brook Crown Grass OBL Petasites frigidus Arctic Sweet-Colt's-Foot FACW Orobanche uniflora Naked Broom-Rape FACU Paspalum bifidum Pitchfork Crown Grass FACW Petasites hybridus Pestilence-Wort FAC Orontium aquaticum Goldenclub OBL Paspalum boscianum Bull Crown Grass FACW Phacelia covillei Buttercup Scorpion-Weed FACW Orthilia secunda Sidebells FAC Paspalum denticulatum Pull-and-Be-Damned OBL Phacelia ranunculacea Ocean-Blue Scorpion-Weed FACW Oryza sativa Cultivated Rice OBL Paspalum dilatatum Golden Crown Grass FAC Phalaris angusta Timothy Canary Grass FACW Osmorhiza claytonii Hairy Sweet-Cicely FACU Paspalum dissectum Mudbank Crown Grass OBL Phalaris aquatica Harding Grass FACU Osmorhiza longistylis Aniseroot FACU Paspalum distichum Jointed Crown Grass FACW Phalaris arundinacea Reed Canary Grass FACW Osmunda X ruggii FACW Paspalum floridanum Florida Crown Grass FACW Phalaris brachystachys Short-Spike Canary Grass FACW Osmunda claytoniana Interrupted Fern FAC Paspalum laeve Field Crown Grass FAC Phalaris canariensis Common Canary Grass FACU Osmunda spectabilis Royal Fern OBL Paspalum notatum Bahia Grass FACU Phalaris caroliniana May Grass FACW Osmundastrum cinnamomeum Cinnamon Fern FACW Paspalum orbiculatum Circular Crown Grass FAC Phalaris paradoxa Mediterranean Canary Grass FAC Ostrya virginiana Eastern Hop-Hornbeam FACU Paspalum praecox Early Crown Grass FACW Phanopyrum gymnocarpon Savannah-Panic Grass OBL Ottelia alismoides Duck-Lettuce OBL Paspalum pubiflorum Hairy-Seed Crown Grass FAC Phegopteris connectilis Narrow Beech Fern FACU Oxalis corniculata Creeping Yellow Wood-Sorrel FACU Paspalum racemosum Peruvian Crown Grass FAC Phegopteris hexagonoptera Broad Beech Fern FAC Oxalis dillenii Slender Yellow Wood-Sorrel FACU Paspalum repens Horse-Tail Crown Grass OBL Phleum pratense Common Timothy FACU Oxalis montana Sleeping-Beauty FAC Paspalum scrobiculatum Indian Crown Grass FACW Phlox carolina Thick-Leaf Phlox FACU Oxalis stricta Upright Yellow Wood-Sorrel FACU Paspalum setaceum Slender Crown Grass FACU Phlox divaricata Wild Blue Phlox FACU Oxydendrum arboreum Sourwood UPL Paspalum urvillei Vasey's Grass FAC Phlox glaberrima Smooth Phlox FAC Oxypolis rigidior Stiff Cowbane OBL Paspalum vaginatum Seashore Crown Grass OBL Phlox maculata Wild Sweetwilliam FACW Oxypolis ternata Piedmont Cowbane FACW Passiflora foetida Scarlet-Fruit Passion-Flower FAC Phlox paniculata Fall Phlox FACU Oxytropis lambertii Stemless Locoweed FACU Paulownia tomentosa Princesstree UPL Phlox pilosa Downy Phlox FACU Packera anonyma Small's Groundsel UPL Pedicularis canadensis Canadian Lousewort FACU Phragmites australis Common Reed FACW Packera aurea Golden Groundsel FACW Pedicularis lanceolata Swamp Lousewort FACW Phryma leptostachya American Lopseed FACU Packera glabella Cress-Leaf Groundsel OBL Pellaea ternifolia Trans-Pecos Cliffbrake FACU Phyla cuneifolia Wedgeleaf FAC Packera obovata Round-Leaf Groundsel FACU Peltandra sagittifolia White Arrow-Arum OBL Phyla lanceolata Northern Frogfruit OBL Phyla nodiflora Turkey-Tangle FACW Platanthera X andrewsii OBL Polygala ramosa Low Pine-Barren Milkwort FACW Phyllanthus amarus Carry-Me-Seed FAC Platanthera aquilonis Bog Orchid FACW Polygala sanguinea Purple Milkwort FAC Phyllanthus caroliniensis Carolina Leaf-Flower FAC Platanthera blephariglottis White Fringed Orchid OBL Polygala senega Seneca-Snakeroot FACU Phyllanthus urinaria Chamber-Bitter FAC Platanthera ciliaris Yellow Fringed Orchid FACW Polygala verticillata Whorled Milkwort UPL Phyllostachys nigra Black Bamboo FACU Platanthera clavellata Green Woodland Orchid FACW Polygaloides paucifolia Gaywings FACU Physalis angulata Cut-Leaf Ground-Cherry FAC Platanthera conspicua FACW Polygonatum biflorum King Solomon's-Seal FACU Physalis minima Pygmy Ground-Cherry FACU Platanthera cristata Crested Yellow Orchid FACW Polygonatum pubescens Hairy Solomon's-Seal FACU Physalis peruviana Peruvian Ground-Cherry UPL Platanthera fissa Pride-of-the-Peak FACW Polygonum achoreum Leathery Knotweed FACU Physalis philadelphica Mexican Ground-Cherry UPL Platanthera flava Pale-Green Orchid FACW Polygonum argyrocoleon Silver-Sheath Knotweed OBL Physalis pubescens Husk-Tomato FACU Platanthera grandiflora Greater Purple Fringed Orchid FACW Polygonum aviculare Yard Knotweed FACU Physocarpus opulifolius Atlantic Ninebark FACW Platanthera hookeri Hooker's Orchid FAC Polygonum douglasii Douglas' Knotweed UPL Physostegia angustifolia Narrow-Leaf False Dragonhead FACW Platanthera huronensis Lake Huron Green Orchid OBL Polygonum erectum Erect Knotweed FACU Physostegia intermedia Slender False Dragonhead FACW Platanthera integra Yellow Fringeless Orchid OBL Polygonum glaucum Seaside Knotweed FACU Physostegia purpurea Eastern False Dragonhead FACW Platanthera integrilabia White Fringeless Orchid OBL Polygonum patulum Bellard's Knotweed FAC Physostegia virginiana Obedient-Plant FAC Platanthera lacera Green Fringed Orchid FACW Polygonum ramosissimum Yellow-Flower Knotweed FAC Phytolacca americana American Pokeweed FACU Platanthera leucophaea Prairie White Fringed Orchid FACW Polypogon interruptus Ditch Rabbit's-Foot Grass FACW Phytolacca icosandra Tropical Pokeweed FACU Platanthera macrophylla Greater Round-Leaf Orchid FACW Polypogon monspeliensis Annual Rabbit's-Foot Grass FACW Picea glauca White Spruce FACU Platanthera nivea Snowy Orchid FACW Polypogon viridis Beardless Rabbit's-Foot Grass FACW Picea mariana Black Spruce FACW Platanthera orbiculata Lesser Round-Leaf Orchid FAC Polypremum procumbens Juniper-Leaf UPL Picea pungens Blue Spruce FAC Platanthera psycodes Lesser Purple Fringed Orchid FACW Polystichum acrostichoides Christmas Fern FACU Picea rubens Red Spruce FACU Platanthera shriveri Shriver's Fringed Orchid FAC Polystichum lonchitis Northern Holly Fern UPL Pilea fontana Lesser Clearweed FACW Platanus occidentalis American Sycamore FACW Polystichum munitum Pineland Sword Fern FACU Pilea microphylla Rockweed FAC Pleea tenuifolia Rush-Featherling OBL Pontederia cordata Pickerelweed OBL Pilea pumila Canadian Clearweed FACW Pleopeltis polypodioides Resurrection Fern FACU Ponthieva racemosa Hairy Shadow-Witch OBL Pilularia americana American Pillwort OBL Pluchea baccharis Rosy Camphorweed FACW Populus balsamifera Balsam Poplar FACW Pimpinella saxifraga Solid-Stem Burnet-Saxifrage FACU Pluchea camphorata Plowman's-Wort FACW Populus deltoides Eastern Cottonwood FAC Pinckneya bracteata Fevertree FACW Pluchea foetida Stinking Camphorweed OBL Populus grandidentata Big-Tooth Aspen FACU Pinguicula caerulea Blue-Flower Butterwort OBL Pluchea odorata Sweetscent FACW Populus heterophylla Swamp Cottonwood OBL Pinguicula lutea Yellow Butterwort FACW Plumbago auriculata Cape Leadwort UPL Populus tremula European Aspen FACU Pinguicula planifolia Chapman's Butterwort OBL Poa alsodes Grove Blue Grass FACW Populus tremuloides Quaking Aspen FAC Pinguicula primuliflora Southern Butterwort OBL Poa annua Annual Blue Grass FACU Portulaca grandiflora Rose-Moss UPL Pinguicula pumila Small Butterwort OBL Poa arida Prairie Blue Grass FAC Portulaca halimoides Silk-Cotton Purslane FACW Pinguicula vulgaris Common Butterwort OBL Poa autumnalis Autumn Blue Grass FAC Portulaca oleracea Little-Hogweed FAC Pinus banksiana Jack Pine FACU Poa bulbosa Bulbous Blue Grass FACU Portulaca pilosa Kiss-Me-Quick FACU Pinus elliottii Slash Pine FACW Poa chapmaniana Chapman's Blue Grass UPL Portulaca umbraticola Wing-Pod Purslane FAC Pinus glabra Spruce Pine FACW Poa compressa Flat-Stem Blue Grass FACU Potamogeton X argutulus OBL Pinus palustris Long-Leaf Pine FAC Poa nemoralis Forest Blue Grass FAC Potamogeton X faxonii OBL Pinus resinosa Red Pine FACU Poa paludigena Bog Blue Grass FACW Potamogeton X hagstroemii OBL Pinus rigida Pitch Pine FACU Poa palustris Fowl Blue Grass FACW Potamogeton X nitens OBL Pinus serotina Pond Pine OBL Poa pratensis Kentucky Blue Grass FACU Potamogeton X rectifolius OBL Pinus strobus Eastern White Pine FACU Poa secunda Curly Blue Grass FACU Potamogeton X sparganiifolius OBL Pinus taeda Loblolly Pine FAC Poa sylvestris Woodland Blue Grass FACW Potamogeton alpinus Reddish Pondweed OBL Piperia dilatata Scentbottle FACW Poa trivialis Rough-Stalk Blue Grass FACW Potamogeton amplifolius Large-Leaf Pondweed OBL Piptochaetium avenaceum Black-Seed Spear Grass UPL Podophyllum peltatum May-Apple FACU Potamogeton berchtoldii Little Aguja Pondweed OBL Piriqueta cistoides Pitted Stripeseed FAC Podostemum ceratophyllum Horn-Leaf Riverweed OBL Potamogeton bicupulatus Snail-Seed Pondweed OBL Pistia stratiotes Water-Lettuce OBL Pogonia ophioglossoides Snake-Mouth Orchid OBL Potamogeton confervoides Tuckerman's Pondweed OBL Pityopsis graminifolia Narrow-Leaf Silk-Grass UPL Polanisia dodecandra Red-Whisker Clammyweed FACU Potamogeton crispus Curly Pondweed OBL Pityopsis oligantha Coastal-Plain Silk-Grass FAC Polemonium caeruleum Charity FACW Potamogeton diversifolius Waterthread OBL Plagiobothrys figuratus Fragrant Popcorn-Flower OBL Polemonium longii Long's Jacob's-Ladder FACU Potamogeton epihydrus Ribbon-Leaf Pondweed OBL Plagiobothrys hispidulus Harsh Popcorn-Flower FACW Polemonium micranthum Annual Jacob's-Ladder FACU Potamogeton foliosus Leafy Pondweed OBL Planera aquatica Planertree OBL Polemonium reptans Greek-Valerian FACU Potamogeton friesii Flat-Stalk Pondweed OBL Planodes virginicum Virginia Winged Rockcress UPL Polemonium vanbruntiae Bog Jacob's-Ladder FACW Potamogeton gramineus Grassy Pondweed OBL Plantago arenaria Sand Plantain FACU Polygala ambigua Alternate Milkwort FACU Potamogeton hillii Hill's Pondweed OBL Plantago cordata Heart-Leaf Plantain OBL Polygala brevifolia Little-Leaf Milkwort FACW Potamogeton illinoensis Illinois Pondweed OBL Plantago coronopus Buck-Horn Plantain FACU Polygala cruciata Drumheads FACW Potamogeton natans Broad-Leaf Pondweed OBL Plantago elongata Prairie Plantain FACW Polygala cymosa Tall Pine-Barren Milkwort OBL Potamogeton nodosus Long-Leaf Pondweed OBL Plantago heterophylla Slender Plantain FAC Polygala hookeri Hooker's Milkwort FACW Potamogeton oakesianus Oakes' Pondweed OBL Plantago lanceolata English Plantain UPL Polygala incarnata Procession-Flower FACU Potamogeton oblongus Cinnamon-Spot Pondweed OBL Plantago major Great Plantain FACU Polygala longicaulis Long-Stem Milkwort FAC Potamogeton obtusifolius Blunt-Leaf Pondweed OBL Plantago maritima Goosetongue FACW Polygala lutea Orange Milkwort FACW Potamogeton perfoliatus Clasping-Leaf Pondweed OBL Plantago pusilla Dwarf Plantain UPL Polygala mariana Maryland Milkwort FACW Potamogeton praelongus White-Stem Pondweed OBL Plantago rhodosperma Red-Seed Plantain UPL Polygala nana Candyroot FAC Potamogeton pulcher Spotted Pondweed OBL Plantago rugelii Black-Seed Plantain FACU Polygala nuttallii Nuttall's Milkwort FAC Potamogeton pusillus Small Pondweed OBL Plantago virginica Pale-Seed Plantain UPL Polygala polygama Racemed Milkwort UPL Potamogeton richardsonii Red-Head Pondweed OBL Potamogeton robbinsii Fern Pondweed OBL Quercus X macnabiana FACU Rhexia nashii Maid Marian OBL Potamogeton spirillus Spiral Pondweed OBL Quercus alba Northern White Oak FACU Rhexia petiolata Fringed Meadow-Beauty OBL Potamogeton strictifolius Straight-Leaf Pondweed OBL Quercus bicolor Swamp White Oak FACW Rhexia virginica Handsome-Harry OBL Potamogeton tennesseensis Tennessee Pondweed OBL Quercus falcata Southern Red Oak FACU Rhizophora mangle Red Mangrove OBL Potamogeton vaseyi Vasey's Pondweed OBL Quercus hemisphaerica Darlington's Oak FACU Rhodiola rosea King's-Crown FACU Potamogeton zosteriformis Flat-Stem Pondweed OBL Quercus imbricaria Shingle Oak FAC Rhododendron arborescens Smooth Azalea FAC Potentilla anserina Silverweed OBL Quercus laurifolia Laurel Oak FACW Rhododendron atlanticum Dwarf Azalea FAC Potentilla argentea Silver-Leaf Cinquefoil UPL Quercus lyrata Overcup Oak OBL Rhododendron austrinum Orange Azalea FAC Potentilla indica Indian-Strawberry FACU Quercus macrocarpa Burr Oak FAC Rhododendron canadense Rhodora FACW Potentilla norvegica Norwegian Cinquefoil FACU Quercus michauxii Swamp Chestnut Oak FACW Rhododendron canescens Mountain Azalea FACW Potentilla pensylvanica Pennsylvania Cinquefoil FACU Quercus minima Dwarf Live Oak FAC Rhododendron catawbiense Catawba Rosebay FACU Potentilla rivalis Brook Cinquefoil FACW Quercus montana Chestnut Oak UPL Rhododendron groenlandicum Rusty Labrador-Tea OBL Potentilla simplex Oldfield Cinquefoil FACU Quercus muehlenbergii Chinkapin Oak UPL Rhododendron maximum Great-Laurel FAC Potentilla supina Bushy Cinquefoil OBL Quercus nigra Water Oak FAC Rhododendron periclymenoides Pink Poterium sanguisorba FAC Quercus oglethorpensis Oglethorpe Oak FAC Azalea FAC Proboscidea louisiana Ram's-Horn FACU Quercus pagoda Cherry-Bark Oak FACW Rhododendron prinophyllum Early Azalea FAC Proserpinaca intermedia Intermediate Mermaidweed OBL Quercus palustris Pin Oak FACW Rhododendron vaseyi Pink-Shell Azalea FACU Proserpinaca palustris Marsh Mermaidweed OBL Quercus phellos Willow Oak FAC Rhododendron viscosum Clammy Azalea FACW Proserpinaca pectinata Comb-Leaf Mermaidweed OBL Quercus prinoides Dwarf Chinkapin Oak UPL Rhus aromatica Fragrant Sumac UPL Prosopis glandulosa Honey Mesquite UPL Quercus rubra Northern Red Oak FACU Rhus copallinum Winged Sumac FACU Prunella vulgaris Common Selfheal FACU Quercus shumardii Shumard's Oak FAC Rhynchospora alba White Beak Sedge OBL Prunus americana American Plum FACU Quercus similis Bottom-Land Post Oak FACW Rhynchospora caduca Angle-Stem Beak Sedge OBL Prunus avium Sweet Cherry UPL Quercus stellata Post Oak UPL Rhynchospora capillacea Needle Beak Sedge OBL Prunus caroliniana Carolina Laurel Cherry FACU Quercus texana Texas Red Oak OBL Rhynchospora capitellata Brownish Beak Sedge OBL Prunus nigra Canadian Plum UPL Quercus virginiana Live Oak FACU Rhynchospora careyana Broad-Fruit Horned Beak Sedge Prunus padus European Bird Cherry UPL Ranunculus abortivus Kidney-Leaf Buttercup FACW OBL Prunus pensylvanica Fire Cherry FACU Ranunculus acris Tall Buttercup FAC Rhynchospora cephalantha Bunched Beak Sedge OBL Prunus serotina Black Cherry FACU Ranunculus allegheniensis Allegheny Mountain Buttercup FAC Rhynchospora chalarocephala Loose-Head Beak Sedge OBL Prunus virginiana Choke Cherry FACU Ranunculus ambigens Water-Plantain Spearwort OBL Rhynchospora chapmanii Chapman's Beak Sedge OBL Pseuderanthemum variabile Night-and-Afternoon FACU Ranunculus arvensis Hungerweed FAC Rhynchospora ciliaris Fringed Beak Sedge OBL Pseudognaphalium canescens Wright's Rabbit-Tobacco FACU Ranunculus bulbosus St. Anthony's-Turnip FAC Rhynchospora colorata Narrow-Leaf Whitetop FACW Pseudognaphalium luteoalbum Jersey Rabbit-Tobacco FAC Ranunculus fascicularis Early Buttercup FACU Rhynchospora corniculata Short-Bristle Horned Beak Sedge Pseudognaphalium stramineum Ranunculus flabellaris Greater Yellow Water Buttercup OBL Cotton-Batting-Plant FAC OBL Rhynchospora crinipes Mosquito Bead Sedge OBL Pseudolycopodiella caroliniana Carolina False Clubmoss FACW Ranunculus flammula Greater Creeping Spearwort FACW Rhynchospora curtissii Curtiss' Beak Sedge OBL Pseudotsuga menziesii Douglas-Fir FACU Ranunculus harveyi Harvey's Buttercup FACU Rhynchospora debilis Savannah Beak Sedge OBL Psilotum nudum Whisk Fern FACU Ranunculus hederaceus Ivy Water-Crowfoot OBL Rhynchospora decurrens Swamp-Forest Beak Sedge OBL Ptelea trifoliata Common Hoptree FAC Ranunculus hispidus Bristly Buttercup FAC Rhynchospora divergens Spreading Beak Sedge OBL Pteridium aquilinum Northern Bracken Fern FACU Ranunculus laxicaulis Mississippi Buttercup OBL Rhynchospora elliottii Elliott's Beak Sedge FACW Pteris vittata Ladder Brake FAC Ranunculus longirostris Long-Beak Water-Crowfoot OBL Rhynchospora fascicularis Fascicled Beak Sedge OBL Pterocaulon pycnostachyum Dense-Spike Blackroot FACU Ranunculus micranthus Rock Buttercup FACU Rhynchospora filifolia Thread-Leaf Beak Sedge FAC Ptilimnium capillaceum Herbwilliam OBL Ranunculus muricatus Spiny-Fruit Buttercup FACW Rhynchospora fusca Brown Beak Sedge OBL Ptilimnium costatum Ribbed Mock Bishopweed FACW Ranunculus parviflorus Small-Flower Buttercup FAC Rhynchospora galeana Short-Bristle Beak Sedge OBL Ptilimnium nuttallii Laceflower FACW Ranunculus pensylvanicus Pennsylvania Buttercup OBL Rhynchospora globularis Globe Beak Sedge FACW Puccinellia distans Spreading Alkali Grass OBL Ranunculus platensis Prairie Buttercup FAC Rhynchospora glomerata Clustered Beak Sedge OBL Puccinellia fasciculata Saltmarsh Alkali Grass OBL Ranunculus pusillus Low Spearwort OBL Rhynchospora gracilenta Slender Beak Sedge OBL Puccinellia maritima Seaside Alkali Grass OBL Ranunculus recurvatus Blisterwort FAC Rhynchospora grayi Gray's Beak Sedge FAC Puccinellia nutkaensis Nootka Alkali Grass FACW Ranunculus repens Creeping Buttercup FAC Rhynchospora harperi Harper's Beak Sedge OBL Puccinellia tenella Tundra Alkali Grass FACW Ranunculus sardous Hairy Buttercup FAC Rhynchospora harveyi Harvey's Beak Sedge FAC Pueraria montana Kudzu UPL Ranunculus sceleratus Cursed Buttercup OBL Rhynchospora inexpansa Nodding Beak Sedge FACW Pycnanthemum albescens White-Leaf Mountain-Mint UPL Ranunculus trichophyllus Thread-Leaf Water-Crowfoot OBL Rhynchospora inundata Narrow-Fruit Horned Beak Sedge Pycnanthemum flexuosum Appalachian Mountain-Mint FACW Ranunculus trilobus Three-Lobe Buttercup FAC OBL Pycnanthemum muticum Clustered Mountain-Mint FAC Reynoutria X bohemica FACU Rhynchospora leptocarpa Slender-Fruit Beak Sedge OBL Pycnanthemum setosum Awned Mountain-Mint FACU Reynoutria japonica Japanese-Knotweed FACU Rhynchospora macra Large Beak Sedge OBL Pycnanthemum tenuifolium Narrow-Leaf Mountain-Mint FACW Reynoutria sachalinensis Giant-Knotweed UPL Rhynchospora macrostachya Tall Horned Beak Sedge OBL Pycnanthemum verticillatum Whorled Mountain-Mint FAC Rhamnus alnifolia Alder-Leaf Buckthorn OBL Rhynchospora microcarpa Southern Beak Sedge FACW Pycnanthemum virginianum Virginia Mountain-Mint FAC Rhamnus cathartica European Buckthorn FACU Rhynchospora microcephala Small-Head Beak Sedge FACW Pyrola americana American Wintergreen FAC Rhamnus lanceolata Lance-Leaf Buckthorn FAC Rhynchospora miliacea Millet Beak Sedge OBL Pyrola asarifolia Pink Wintergreen FAC Rhapidophyllum hystrix Needle Palm FACW Rhynchospora mixta Mingled Beak Sedge OBL Pyrola chlorantha Green-Flower Wintergreen UPL Rhexia alifanus Savannah Meadow-Beauty FACW Rhynchospora nitens Short-Beak Beak Sedge OBL Pyrola elliptica Shinleaf UPL Rhexia aristosa Awn-Petal Meadow-Beauty OBL Rhynchospora nivea Showy Whitetop FACW Pyrularia pubera Buffalo-Nut UPL Rhexia cubensis West Indian Meadow-Beauty FACW Rhynchospora odorata Fragrant Beak Sedge OBL Pyxidanthera barbulata Flowering Pixie-Moss FACU Rhexia lutea Yellow Meadow-Beauty FACW Rhynchospora oligantha Feather-Bristle Beak Sedge OBL Quercus X beadlei FACW Rhexia mariana Maryland Meadow-Beauty OBL Rhynchospora pallida Pale Beak Sedge OBL Rhynchospora perplexa Pineland Beak Sedge FACW Rubus hypolasius Pineland Dewberry FAC Sabatia campestris Texas-Star FACU Rhynchospora pleiantha Coastal Beak Sedge OBL Rubus idaeus Common Red Raspberry FAC Sabatia difformis Lance-Leaf Rose-Gentian OBL Rhynchospora plumosa Plumed Beak Sedge FACW Rubus inclinis Marshland Blackberry FACW Sabatia dodecandra Marsh Rose-Gentian OBL Rhynchospora pusilla Fairy Beak Sedge FACW Rubus laciniatus Cut-Leaf Blackberry UPL Sabatia gentianoides Pinewoods Rose-Gentian OBL Rhynchospora rariflora Few-Flower Beak Sedge OBL Rubus lawrencei Adirondack Blackberry FAC Sabatia kennedyana Plymouth Rose-Gentian OBL Rhynchospora recognita Coarse Globe Beak Sedge FACW Rubus longii Long's Blackberry FAC Sabatia macrophylla Large-Leaf Rose-Gentian FACW Rhynchospora scirpoides Long-Beak Beak Sedge OBL Rubus missouricus Missouri Dewberry FACU Sabatia quadrangula Four-Angle Rose-Gentian FAC Rhynchospora stenophylla Coastal-Plain Beak Sedge FACW Rubus multiformis Variable Blackberry FAC Sabatia stellaris Rose-of-Plymouth FACW Rhynchospora torreyana Torrey's Beak Sedge FACW Rubus oklahomus Oklahoma Blackberry FAC Saccharum alopecuroides Silver Plume Grass FAC Rhynchospora wrightiana Wright's Beak Sedge OBL Rubus paganus St. Lawrence Dewberry FAC Saccharum baldwinii Narrow Plume Grass OBL Ribes americanum Wild Black Currant FACW Rubus parviflorus Western Thimble-Berry FACU Saccharum brevibarbe Short-Beard Plume Grass OBL Ribes aureum Golden Currant FACW Rubus pensilvanicus Pennsylvania Blackberry FAC Saccharum giganteum Giant Plume Grass FACW Ribes cynosbati Eastern Prickly Gooseberry FACU Rubus pergratus Upland Blackberry FACU Saccharum ravennae Ranenna Grass UPL Ribes echinellum Miccosukee Gooseberry FAC Rubus phoenicolasius Wine Raspberry FACU Sacciolepis indica Glenwood Grass FACW Ribes glandulosum Skunk Currant FACW Rubus plus Hairy-Leaf Dewberry FACU Sacciolepis striata American Cupscale OBL Ribes hirtellum Hairy-Stem Gooseberry FAC Rubus probabilis Tree Blackberry FACU Sagina apetala Annual Pearlwort FAC Ribes lacustre Bristly Black Gooseberry FACW Rubus pubescens Dwarf Red Raspberry FACW Sagina decumbens Trailing Pearlwort FAC Ribes oxyacanthoides Canadian Gooseberry FACU Rubus semisetosus Swamp Blackberry FAC Sagina procumbens Bird-Eye Pearlwort FACW Ribes triste Swamp Red Currant OBL Rubus setosus Setose Blackberry FACW Sagittaria ambigua Kansas Arrowhead OBL Ricinus communis Castor-Bean UPL Rubus sons New Orleans Dewberry FAC Sagittaria australis Long-Beak Arrowhead OBL Rivina humilis Rougeplant UPL Rubus suus Branched Blackberry FAC Sagittaria brevirostra Short-Beak Arrowhead OBL Robinia pseudoacacia Black Locust FACU Rubus tardatus Wet-Thicket Dewberry FAC Sagittaria calycina Hooded Arrowhead OBL Rorippa X prostrata FAC Rubus trivialis Southern Dewberry FACU Sagittaria cuneata Arum-Leaf Arrowhead OBL Rorippa aquatica Lakecress OBL Rubus vigilis Missouri Blackberry FACW Sagittaria engelmanniana Engelmann's Arrowhead OBL Rorippa austriaca Austrian Yellowcress FAC Rubus wheeleri Wheeler's Blackberry FACW Sagittaria fasciculata Bunched Arrowhead OBL Rorippa curvipes Blunt-Leaf Yellowcress FACW Rudbeckia auriculata Eared Coneflower FACW Sagittaria filiformis Narrow-Leaf Arrowhead OBL Rorippa indica Variable-Leaf Yellowcress FACW Rudbeckia fulgida Orange Coneflower FAC Sagittaria graminea Grass-Leaf Arrowhead OBL Rorippa palustris Bog Yellowcress OBL Rudbeckia hirta Black-Eyed-Susan FACU Sagittaria isoetiformis Quillwort Arrowhead OBL Rorippa sessiliflora Stalkless Yellowcress OBL Rudbeckia laciniata Green-Head Coneflower FACW Sagittaria lancifolia Bull-Tongue Arrowhead OBL Rorippa sinuata Spreading Yellowcress FACW Rudbeckia maxima Great Coneflower FAC Sagittaria latifolia Duck-Potato OBL Rorippa sylvestris Creeping Yellowcress FACW Rudbeckia missouriensis Missouri Orange Coneflower UPL Sagittaria macrocarpa OBL Rorippa tenerrima Modoc Yellowcress FAC Rudbeckia nitida Shiny Coneflower FAC Sagittaria papillosa Nipple-Bract Arrowhead OBL Rorippa teres Southern Marsh Yellowcress FACW Rudbeckia subtomentosa Sweet Coneflower FAC Sagittaria platyphylla Delta Arrowhead OBL Rosa acicularis Prickly Rose FACU Rudbeckia triloba Brown-Eyed-Susan FACU Sagittaria rigida Sessile-Fruit Arrowhead OBL Rosa arkansana Prairie Rose FACU Ruellia caroliniensis Carolina Wild Petunia FACU Sagittaria secundifolia Little River Arrowhead OBL Rosa blanda Smooth Rose FACU Ruellia humilis Fringe-Leaf Wild Petunia FACU Sagittaria spathulata Spoon-Shape Arrowhead OBL Rosa bracteata Chickasaw Rose UPL Ruellia noctiflora Night-Flowering Wild Petunia FACW Sagittaria subulata Awl-Leaf Arrowhead OBL Rosa carolina Carolina Rose FACU Ruellia simplex Linear-Leaf Wild Petunia FAC Sagittaria teres Slender Arrowhead OBL Rosa micrantha Small-Flower Sweetbrier FACU Ruellia strepens Limestone Wild Petunia FAC Sagittaria weatherbiana OBL Rosa multiflora Rambler Rose FACU Rumex acetosa Garden Sorrel FACU Salicornia bigelovii Dwarf Saltwort OBL Rosa nitida Shining Rose FACW Rumex acetosella Common Sheep Sorrel UPL Salicornia depressa Woody Saltwort OBL Rosa palustris Swamp Rose OBL Rumex altissimus Pale Dock FACW Salicornia rubra Red Saltwort OBL Rosa rubiginosa Sweetbrier UPL Rumex britannica Greater Water Dock OBL Salix X fragilis FAC Rosa rugosa Rugosa Rose FACU Rumex conglomeratus Sharp Dock FAC Salix X glatfelteri FACW Rosa setigera Climbing Rose FACU Rumex crispus Curly Dock FAC Salix X pendulina FACW Rosa virginiana Virginia Rose FAC Rumex dentatus Toothed Dock FACU Salix X sepulcralis FACW Rotala indica Indian Toothcup OBL Rumex floridanus Florida Dock FACW Salix alba White Willow FACW Rotala ramosior Lowland Toothcup OBL Rumex fueginus Tierra del Fuego Dock OBL Salix amygdaloides Peach-Leaf Willow FACW Rotala rotundifolia Round-Leaf Toothcup OBL Rumex hastatulus Heart-Wing Sorrel FACU Salix atrocinerea Smooth-Twig Gray Willow FACW Rottboellia cochinchinensis Itch Grass FACU Rumex maritimus Golden Dock FAC Salix babylonica Chinese Willow FACW Rubus allegheniensis Allegheny Blackberry FACU Rumex obtusifolius Bitter Dock FACU Salix bebbiana Gray Willow FACW Rubus alumnus Oldfield Blackberry FACU Rumex occidentalis Western Dock OBL Salix candida Sage Willow OBL Rubus apogaeus Falling Dewberry FAC Rumex persicarioides Coastal Dock FACW Salix caprea Goat Willow OBL Rubus argutus Saw-Tooth Blackberry FACU Rumex pulcher Fiddle Dock FACW Salix caroliniana Carolina Willow OBL Rubus armeniacus Himalayan Blackberry UPL Rumex triangulivalvis Triangular-Valved Dock FACW Salix cinerea Large Gray Willow FACW Rubus arvensis Field Blackberry FAC Rumex venosus Veiny Dock FAC Salix discolor Pussy Willow FACW Rubus baileyanus Bailey's Dewberry FACU Rumex verticillatus Swamp Dock OBL Salix elaeagnos Elaeagnus Willow FACW Rubus bushii Bush's Blackberry FACW Ruppia cirrhosa Spiral Ditch-Grass OBL Salix eriocephala Missouri Willow FACW Rubus caesius European Dewberry FACU Ruppia maritima Beaked Ditch-Grass OBL Salix famelica FACW Rubus cuneifolius Sand Blackberry UPL Sabal minor Dwarf Palmetto FACW Salix humilis Prairie Willow FACU Rubus dalibarda Robin-Run-Away FAC Sabatia angularis Rose-Pink FAC Salix interior Sandbar Willow FACW Rubus flagellaris Whiplash Dewberry FACU Sabatia brachiata Narrow-Leaf Rose-Gentian FACU Salix lucida Shining Willow FACW Rubus floricomus Many-Flower Blackberry FAC Sabatia calycina Coastal Rose-Gentian OBL Salix myricoides Bayberry Willow FACW Rubus hispidus Bristly Dewberry FACW Sabatia campanulata Slender Rose-Gentian FACW Salix nigra Black Willow OBL Salix pedicellaris Bog Willow OBL Schoenoplectus novae-angliae New England Club-Rush OBL Senna hebecarpa American Wild Sensitive-Plant FAC Salix petiolaris Meadow Willow FACW Schoenoplectus pungens Three-Square OBL Senna marilandica Maryland Wild Sensitive-Plant FAC Salix purpurea Purple Willow FACW Schoenoplectus purshianus Weak-Stalk Club-Rush OBL Senna obtusifolia Coffeeweed FACU Salix sericea Silky Willow OBL Schoenoplectus robustus Seaside Club-Rush OBL Senna occidentalis Septicweed UPL Salix serissima Autumn Willow OBL Schoenoplectus saximontanus Rocky Mountain Club-Rush OBL Serenoa repens Saw-Palmetto FACU Salix triandra Almond-Leaf Willow FACW Schoenoplectus smithii Smith's Club-Rush OBL Sesbania drummondii Poison-Bean FACW Salix viminalis Basket Willow FACW Schoenoplectus subterminalis Swaying Club-Rush OBL Sesbania herbacea Peatree FAC Salsola kali Russian-Thistle FACU Schoenoplectus tabernaemontani Soft-Stem Sesbania punicea Purple River-Hemp FAC Salsola tragus Prickly Russian-Thistle FACU Club-Rush OBL Sesbania vesicaria Bagpod FAC Salvia lyrata Lyre-Leaf Sage FACU Schoenoplectus torreyi Torrey's Club-Rush OBL Sesuvium maritimum Slender Sea-Purslane FACW Salvinia minima Water-Spangles OBL Schwalbea americana Chaffseed FACU Sesuvium portulacastrum Shoreline Sea-Purslane FACW Salvinia molesta Kariba-Weed OBL Scilla luciliae Boissier's Glory-of-the-Snow FAC Setaria X ambigua FAC Salvinia natans Floating Water-Moss OBL Scirpoides holoschoenus Round-Head Club-Rush OBL Setaria adhaerens Adherent Bristle Grass UPL Sambucus nigra Black Elder FAC Scirpus ancistrochaetus Barbed-Bristle Bulrush OBL Setaria faberi Japanese Bristle Grass UPL Sambucus racemosa Red Elder FACU Scirpus atrocinctus Black-Girdle Bulrush FACW Setaria italica Italian Bristle Grass FACU Samolus parviflorus OBL Scirpus atrovirens Dark-Green Bulrush OBL Setaria magna Giant Bristle Grass FACW Samolus valerandi Seaside Brookweed OBL Scirpus cyperinus Cottongrass Bulrush FACW Setaria parviflora Marsh Bristle Grass FAC Sanguinaria canadensis Bloodroot UPL Scirpus divaricatus Spreading Bulrush OBL Setaria pumila Yellow Bristle Grass FAC Sanguisorba canadensis Canadian Burnet FACW Scirpus expansus Woodland Bulrush OBL Setaria sphacelata African Bristle Grass FAC Sanicula canadensis Canadian Black-Snakeroot UPL Scirpus flaccidifolius Reclining Bulrush OBL Setaria verticillata Rough Bristle Grass FAC Sanicula marilandica Maryland Black-Snakeroot FACU Scirpus georgianus Georgia Bulrush OBL Setaria verticilliformis Foreward-Barb Bristle Grass FAC Sanicula odorata Clustered Black-Snakeroot FACU Scirpus hattorianus Mosquito Bulrush OBL Seymeria cassioides Yaupon Black-Senna FAC Sapindus saponaria Wing-Leaf Soapberry FACU Scirpus longii Long's Bulrush OBL Shepherdia canadensis Russet Buffalo-Berry UPL Saponaria officinalis Bouncing-Bett FACU Scirpus microcarpus Red-Tinge Bulrush OBL Shortia galacifolia Oconee-Bells FACU Sarcocornia ambigua Chickenclaws OBL Scirpus pallidus Pale Bulrush OBL Sibbaldia tridentata Shrubby-Fivefingers FACU Sarracenia alabamensis Alabama Cranebrake Pitcherplant Scirpus pedicellatus Stalked Bulrush OBL Sicyos angulatus One-Seed Burr-Cucumber FACU OBL Scirpus pendulus Rufous Bulrush OBL Sida acuta Common-Wireweed UPL Sarracenia flava Yellow Pitcherplant OBL Scirpus polyphyllus Leafy Bulrush OBL Sida hermaphrodita Virginia Fanpetals FAC Sarracenia jonesii Mountain Sweet Pitcherplant OBL Scleranthus annuus Annual Knawel FACU Sida rhombifolia Cuban-Jute UPL Sarracenia leucophylla White-Top Pitcherplant OBL Scleria brittonii Britton's Nut-Rush OBL Sida spinosa Prickly Fanpetals UPL Sarracenia minor Hooded Pitcherplant OBL Scleria ciliata Fringed Nut-Rush FAC Sideroxylon lanuginosum Gum Bully FACU Sarracenia oreophila Green Pitcherplant OBL Scleria georgiana Slender-Fruit Nut-Rush FACW Sideroxylon lycioides Buckthorn Bully FACW Sarracenia purpurea Purple Pitcherplant OBL Scleria minor Slender Nut-Rush FACW Silene flos-cuculi Ragged-Robin FACU Sarracenia rosea Rosy Pitcherplant OBL Scleria muehlenbergii Muehlenberg's Nut-Rush FAC Silene nivea Snowy Catchfly FAC Sarracenia rubra Sweet Pitcherplant OBL Scleria oligantha Little-Head Nut-Rush FACU Silphium integrifolium Entire-Leaf Rosinweed FAC Sassafras albidum Sassafras FACU Scleria pauciflora Few-Flower Nut-Rush FACU Silphium perfoliatum Cup-Plant FAC Saururus cernuus Lizard's-Tail OBL Scleria reticularis Netted Nut-Rush OBL Silphium terebinthinaceum Prairie Rosinweed FACU Sceptridium biternatum Sparse-Lobe Grape Fern FAC Scleria triglomerata Whip Nut-Rush FAC Sinapis alba White-Mustard FAC Sceptridium dissectum Cut-Leaf Grape Fern FAC Scleria verticillata Low Nut-Rush OBL Sisymbrium altissimum Tall Hedge-Mustard FACU Sceptridium jenmanii Dixie Grape Fern FAC Sclerolepis uniflora Pink Bogbutton OBL Sisyrinchium albidum White Blue-Eyed-Grass FAC Sceptridium multifidum Leathery Grape Fern FACU Scorzoneroides autumnalis August-Flower FAC Sisyrinchium angustifolium Narrow-Leaf Blue-Eyed-Grass FACW Sceptridium oneidense Blunt-Lobe Grape Fern FAC Scrophularia lanceolata Lance-Leaf Figwort FACU Sisyrinchium atlanticum Eastern Blue-Eyed-Grass FACW Schedonorus arundinaceus Tall False Rye Grass FACU Scrophularia marilandica Carpenter's-Square FACU Sisyrinchium capillare Needle Blue-Eyed-Grass FACW Schedonorus pratensis Meadow False Rye Grass FACU Scutellaria cardiophylla Gulf Skullcap FAC Sisyrinchium fuscatum Coastal-Plain Blue-Eyed-Grass FACU Schenkia spicata Mediterranean Schenkia FACW Scutellaria galericulata Hooded Skullcap OBL Sisyrinchium minus Dwarf Blue-Eyed-Grass FACU Scheuchzeria palustris Rannoch-Rush OBL Scutellaria integrifolia Helmet-Flower FACW Sisyrinchium montanum Strict Blue-Eyed-Grass FAC Schizachne purpurascens False Melic Grass FACU Scutellaria lateriflora Mad Dog Skullcap FACW Sisyrinchium mucronatum Needle-Tip Blue-Eyed-Grass FAC Schizachyrium littorale Dune False Bluestem FACW Scutellaria nervosa Veiny Skullcap FAC Sisyrinchium nashii Nash's Blue-Eyed-Grass FAC Schizachyrium scoparium Little False Bluestem FACU Scutellaria ocmulgee Ocmulgee Skullcap FACW Sisyrinchium rosulatum Annual Blue-Eyed-Grass FAC Schoenolirion albiflorum White Sunnybell FACW Scutellaria ovata Heart-Leaf Skullcap FACU Sisyrinchium sagittiferum Spear-Bract Blue-Eyed-Grass FACW Schoenolirion croceum Yellow Sunnybell OBL Scutellaria parvula Small Skullcap UPL Sium carsonii Carson's Water-Parsnip OBL Schoenolirion wrightii Texas Sunnybell OBL Scutellaria racemosa South American Skullcap OBL Sium suave Hemlock Water-Parsnip OBL Schoenoplectus acutus Hard-Stem Club-Rush OBL Sedum pulchellum Widow's-Cross FACU Smilax auriculata Ear-Leaf Greenbrier FACU Schoenoplectus americanus Chairmaker's Club-Rush OBL Sedum pusillum Granite Stonecrop FAC Smilax bona-nox Fringed Greenbrier FACU Schoenoplectus californicus California Club-Rush OBL Sedum ternatum Woodland Stonecrop FACU Smilax glauca Sawbrier FACU Schoenoplectus deltarum Delta Club-Rush FACW Selaginella apoda Meadow Spike-Moss FACW Smilax herbacea Smooth Carrion-Flower FAC Schoenoplectus etuberculatus Canby's Club-Rush OBL Selaginella eclipes Hidden Spike-Moss FACW Smilax hispida Chinaroot FAC Schoenoplectus fluviatilis River Club-Rush OBL Selaginella kraussiana Krauss' Spike-Moss FACW Smilax laurifolia Laurel-Leaf Greenbrier OBL Schoenoplectus glaucus Tuberous Club-Rush OBL Selaginella uncinata Blue Spike-Moss OBL Smilax pseudochina Bamboovine FAC Schoenoplectus hallii Hall's Club-Rush OBL Senecio hieraciifolius American Burnweed FACU Smilax pulverulenta Downy Carrion-Flower FACU Schoenoplectus heterochaetus Pale Great Club-Rush OBL Senecio suaveolens False Indian-Plantain FACW Smilax pumila Sarsparilla-Vine UPL Schoenoplectus lacustris Common Club-Rush OBL Senecio sylvaticus Woodland Ragwort UPL Smilax rotundifolia Horsebrier FAC Schoenoplectus maritimus Saltmarsh Club-Rush OBL Senecio vulgaris Old-Man-in-the-Spring FACU Smilax smallii Lance-Leaf Greenbrier FACU Schoenoplectus mucronatus Bog Club-Rush OBL Senna alata Emperor's-Candlesticks FACU Smilax walteri Coral Greenbrier OBL Solanum americanum American Black Nightshade FACU Sphenopholis nitida Shiny Wedgescale FAC Stenotaphrum secundatum St. Augustine Grass FAC Solanum capsicoides Cockroach-Berry FACU Sphenopholis obtusata Prairie Wedgescale FAC Stokesia laevis Stokes'-Aster FAC Solanum carolinense Carolina Horse-Nettle FACU Sphenopholis pensylvanica Swamp Wedgescale OBL Streptopus amplexifolius Clasping Twistedstalk FAC Solanum dulcamara Climbing Nightshade FAC Spinulum annotinum Interrupted Club-Moss FAC Streptopus lanceolatus Lance-Leaf Twistedstalk FAC Solanum nigrum European Black Nightshade FACU Spiraea alba White Meadowsweet FACW Strophostyles helvola Trailing Fuzzy-Bean FACU Solanum ptychanthum Eastern Black Nightshade FACU Spiraea betulifolia Shiny-Leaf Meadowsweet FAC Strophostyles umbellata Pink Fuzzy-Bean FACU Solanum torvum Turkey-Berry FACU Spiraea douglasii Douglas' Meadowsweet FAC Stuckenia filiformis Slender-Leaf False Pondweed OBL Solenostemon scutellarioides Painted-Nettle FACU Spiraea japonica Japanese Meadowsweet FACU Stuckenia pectinata Sago False Pondweed OBL Solidago altissima Tall Goldenrod FACU Spiraea latifolia Broad-Leaf Meadowsweet FACW Stuckenia vaginata Sheathed False Pondweed OBL Solidago arguta Atlantic Goldenrod UPL Spiraea salicifolia Willow-Leaf Meadowsweet FACW Stylisma aquatica Water Dawnflower FACW Solidago caesia Wreath Goldenrod FACU Spiraea tomentosa Steeplebush FACW Stylisma pickeringii Pickering's Dawnflower FAC Solidago canadensis Canadian Goldenrod FACU Spiraea virginiana Virginia Meadowsweet FACU Styrax americanus American Snowbell OBL Solidago curtisii Curtis' Goldenrod FACU Spiranthes cernua White Nodding Ladies'-Tresses FACW Styrax grandifolius Big-Leaf Snowbell FACU Solidago fistulosa Pine-Barren Goldenrod FACW Spiranthes eatonii Eaton's Ladies'-Tresses FACU Suaeda calceoliformis Paiuteweed FACW Solidago flexicaulis Zigzag Goldenrod FACU Spiranthes floridana Florida Ladies'-Tresses FAC Suaeda linearis Annual Seepweed OBL Solidago gigantea Late Goldenrod FACW Spiranthes lacera Northern Slender Ladies'-Tresses Suaeda maritima Herbaceous Seepweed OBL Solidago glomerata Clustered Goldenrod FAC FACU Succisella inflexa Frosted Pearls FACW Solidago gracillima Virginia Goldenrod OBL Spiranthes laciniata Lace-Lip Ladies'-Tresses OBL Symphoricarpos albus Common Snowberry FACU Solidago latissimifolia Elliott's Goldenrod OBL Spiranthes longilabris Giant-Spiral Ladies'-Tresses OBL Symphoricarpos occidentalis Western Snowberry UPL Solidago leavenworthii Leavenworth's Goldenrod FAC Spiranthes lucida Shining Ladies'-Tresses FACW Symphoricarpos orbiculatus Coral-Berry FACU Solidago multiradiata Rocky Mountain Goldenrod FACU Spiranthes magnicamporum Great Plains Ladies'-Tresses FACU Symphyotrichum bahamense Island American-Aster OBL Solidago ohioensis Ohio Goldenrod OBL Spiranthes odorata Marsh Ladies'-Tresses OBL Symphyotrichum boreale Boreal American-Aster OBL Solidago patula Round-Leaf Goldenrod OBL Spiranthes ovalis October Ladies'-Tresses FAC Symphyotrichum ciliatum Alkali American-Aster FAC Solidago puberula Downy Goldenrod FACU Spiranthes praecox Green-Vein Ladies'-Tresses OBL Symphyotrichum divaricatum Lawn American-Aster OBL Solidago riddellii Riddell's Goldenrod OBL Spiranthes romanzoffiana Hooded Ladies'-Tresses OBL Symphyotrichum dumosum Rice Button American-Aster FAC Solidago rigida Hard-Leaf Flat-Top-Goldenrod UPL Spiranthes tuberosa Little Ladies'-Tresses FACU Symphyotrichum elliottii Marsh American-Aster OBL Solidago rugosa Wrinkle-Leaf Goldenrod FAC Spiranthes vernalis Spring Ladies'-Tresses FAC Symphyotrichum ericoides White Heath American-Aster FACU Solidago sempervirens Seaside Goldenrod FACW Spirodela polyrhiza Common Duckmeat OBL Symphyotrichum expansum Desert American-Aster OBL Solidago simplex Mt. Albert Goldenrod FACU Sporobolus airoides Alkali-Sacaton FAC Symphyotrichum falcatum Rough White Prairie American-Aster Solidago stricta Wand Goldenrod FACW Sporobolus cryptandrus Sand Dropseed UPL FAC Solidago uliginosa Bog Goldenrod OBL Sporobolus floridanus Florida Dropseed FAC Symphyotrichum kralii Simmonds' American-Aster FAC Solidago verna Spring-Flowering Goldenrod OBL Sporobolus heterolepis Prairie Dropseed UPL Symphyotrichum laeve Smooth Blue American-Aster FACU Soliva sessilis Lawn Burrweed FACU Sporobolus indicus Smut Grass FACU Symphyotrichum lanceolatum White Panicled American-Aster FACW Sonchus arvensis Field Sow-Thistle FACU Sporobolus neglectus Small Dropseed FACU Symphyotrichum lateriflorum Farewell-Summer FACW Sonchus asper Spiny-Leaf Sow-Thistle FAC Sporobolus pinetorum Carolina Dropseed FACW Symphyotrichum novae-angliae New England American-Aster FACW Sonchus oleraceus Common Sow-Thistle UPL Sporobolus pyramidatus Target Dropseed UPL Symphyotrichum novi-belgii New Belgium American-Aster FACW Sophronanthe pilosa Shaggy False Hedge-Nettle FACU Sporobolus teretifolius Wire-Leaf Dropseed FACW Symphyotrichum ontarionis Ontario American-Aster FAC Sorbus americana American Mountain-Ash FACU Sporobolus texanus Texas Dropseed FACU Symphyotrichum pilosum White Oldfield American-Aster FAC Sorghastrum nutans Yellow Indian Grass FACU Sporobolus virginicus Seashore Dropseed FAC Symphyotrichum praealtum Willow-Leaf American-Aster FACW Sorghastrum secundum Lopsided Indian Grass FACU Stachys appalachiana Blue Ridge Hedge-Nettle OBL Symphyotrichum prenanthoides Sorghum bicolor Broom-Corn UPL Stachys aspera Gritty Hedge-Nettle FACW Crooked-Stem American-Aster FAC Sorghum halepense Johnson Grass FACU Stachys clingmanii Clingman's Hedge-Nettle FAC Symphyotrichum priceae Price's American-Aster FACU Sparganium americanum American Burr-Reed OBL Stachys cordata Heart-Leaf Hedge-Nettle FAC Symphyotrichum puniceum Purple-Stem American-Aster OBL Sparganium androcladum Branched Burr-Reed OBL Stachys crenata Mouse's-Ear FACU Symphyotrichum racemosum Fragile-Stem American-Aster FACW Sparganium angustifolium Narrow-Leaf Burr-Reed OBL Stachys eplingii Epling's Hedge-Nettle FAC Symphyotrichum squamatum OBL Sparganium emersum European Burr-Reed OBL Stachys floridana Florida Hedge-Nettle FAC Symphyotrichum subulatum Seaside American-Aster OBL Sparganium eurycarpum Broad-Fruit Burr-Reed OBL Stachys hyssopifolia Hyssop-Leaf Hedge-Nettle FACW Symphyotrichum tenuifolium Perennial Saltmarsh American-Aster Sparganium fluctuans Floating Burr-Reed OBL Stachys latidens Broad-Tooth Hedge-Nettle FAC OBL Sparganium natans Arctic Burr-Reed OBL Stachys palustris Woundwort OBL Symphyotrichum tradescantii Tradescant's American-Aster FACW Spartina X caespitosa OBL Stachys pilosa Hairy Hedge-Nettle FACW Symphyotrichum walteri Walter's American-Aster FAC Spartina alterniflora Saltwater Cord Grass OBL Stachys tenuifolia Smooth Hedge-Nettle FACW Symphytum asperum Prickly Comfrey UPL Spartina cynosuroides Big Cord Grass OBL Staphylea trifolia American Bladdernut FAC Symplocarpus foetidus Skunk-Cabbage OBL Spartina patens Salt-Meadow Cord Grass FACW Steinchisma hians Gaping Grass FACW Symplocos tinctoria Horsesugar FAC Spartina pectinata Freshwater Cord Grass OBL Stellaria alsine Bog Chickweed OBL Synandra hispidula Guyandotte-Beauty FAC Spergularia marina Saltmarsh Sandspurry OBL Stellaria borealis Boreal Starwort FACW Syngonanthus flavidulus Yellow-Hatpins FACW Spergularia media Satin-Flower FACW Stellaria cuspidata Mexican Starwort FAC Tamarix chinensis Five-Stamen Tamarisk FACW Spergularia rubra Ruby Sandspurry FACU Stellaria fontinalis American Water Starwort FACW Tamarix gallica French Tamarisk FAC Spermacoce glabra Smooth False Buttonweed FACW Stellaria graminea Grass-Leaf Starwort FACU Tamarix parviflora Small-Flower Tamarisk FAC Spermolepis divaricata Rough-Fruit Scaleseed FACU Stellaria longifolia Long-Leaf Starwort FACW Tanacetum vulgare Common Tansy UPL Spermolepis echinata Bristly-Fruit Scaleseed FACU Stellaria media Common Chickweed UPL Taraxacum officinale Common Dandelion FACU Sphenoclea zeylanica Chickenspike OBL Stenandrium dulce Sweet Shaggytuft FACW Tarenaya hassleriana Pinkqueen FACU Sphenopholis X pallens FAC Stenanthium densum Osceola's-Plume OBL Taxodium ascendens Pond-Cypress OBL Sphenopholis filiformis Long-Leaf Wedgescale UPL Stenanthium gramineum Eastern Featherbells FACW Taxodium distichum Southern Bald-Cypress OBL Sphenopholis intermedia Slender Wedgescale FAC Stenanthium leimanthoides Pine-Barren Featherbells OBL Taxus canadensis American Yew FAC Tephrosia hispidula Sprawling Hoary-Pea FACU Triglochin maritima Seaside Arrow-Grass OBL Vaccaria hispanica Cowcockle FAC Teucrium canadense American Germander FACW Triglochin palustris Marsh Arrow-Grass OBL Vaccinium X marianum FAC Thalia dealbata Powdery Alligator-Flag OBL Trillium cernuum Whip-Poor-Will-Flower FACW Vaccinium angustifolium Late Lowbush Blueberry FACU Thalia geniculata Bent Alligator-Flag OBL Trillium erectum Stinking-Benjamin FACU Vaccinium arboreum Tree Sparkle-Berry FACU Thalictrum clavatum Mountain Meadow-Rue FACW Trillium flexipes Nodding Trillium FAC Vaccinium caesariense New Jersey Blueberry OBL Thalictrum coriaceum Maid-of-the-Mist FACU Trillium pusillum Dwarf Trillium FACW Vaccinium corymbosum Highbush Blueberry FACW Thalictrum dasycarpum Purple Meadow-Rue FACW Trillium recurvatum Bloody-Butcher UPL Vaccinium crassifolium Creeping Blueberry FAC Thalictrum debile Southern Meadow-Rue FAC Trillium sessile Toadshade UPL Vaccinium darrowii Darrow's Blueberry FAC Thalictrum dioicum Early Meadow-Rue FAC Trillium undulatum Painted Trillium FACU Vaccinium elliottii Elliott's Blueberry FACW Thalictrum macrostylum Small-Leaf Meadow-Rue FACW Triodanis perfoliata Clasping-Leaf Venus'-Looking-Glass Vaccinium erythrocarpum Southern Mountain-Cranberry FAC Thalictrum mirabile Little Mountain Meadow-Rue FAC FAC Vaccinium formosum Southern Blueberry OBL Thalictrum pubescens King-of-the-Meadow FACW Triosteum angustifolium Yellow-Fruit Horse-Gentian FAC Vaccinium fuscatum Black Blueberry FAC Thalictrum revolutum Waxy-Leaf Meadow-Rue FAC Triphora trianthophoros Threebirds UPL Vaccinium macrocarpon Large Cranberry OBL Thalictrum thalictroides Rue-Anemone FACU Tripleurospermum maritimum False Mayweed UPL Vaccinium myrsinites Shiny Blueberry FACU Thaspium barbinode Hairy-Joint Meadow-Parsnip FACU Tripsacum dactyloides Eastern Mock Grama FACW Vaccinium myrtilloides Velvet-Leaf Blueberry FACW Thelypteris kunthii Kunth's Maiden Fern FACW Trisetum spicatum Narrow False Oat FACU Vaccinium oxycoccos Small Cranberry OBL Thelypteris ovata Ovate Marsh Fern FACW Trollius laxus American Globeflower OBL Vaccinium simulatum Upland Highbush Blueberry FACU Thelypteris palustris Eastern Marsh Fern FACW Tropaeolum majus Garden-Nasturtium UPL Vaccinium stamineum Deerberry FACU Thinopyrum pycnanthum Tick Quack Grass FACW Tsuga canadensis Eastern Hemlock FACU Vaccinium tenellum Small Black Blueberry UPL Thlaspi arvense Field Pennycress UPL Tussilago farfara Colt's-Foot FACU Vachellia macracantha Porknut FACU Thuja occidentalis Eastern Arborvitae FACW Typha X glauca OBL Valeriana pauciflora Large-Flower Valerian FACW Thunbergia alata Black-Eyed-Susan-Vine UPL Typha angustifolia Narrow-Leaf Cat-Tail OBL Valeriana uliginosa Mountain Valerian OBL Thyrsanthella difformis Climbing-Dogbane FACW Typha domingensis Southern Cat-Tail OBL Valerianella amarella Hairy Cornsalad FACU Tiarella cordifolia Heart-Leaf Foamflower FAC Typha latifolia Broad-Leaf Cat-Tail OBL Valerianella chenopodiifolia Goose-Foot Cornsalad FAC Tiedemannia canbyi OBL Ulex europaeus Common Gorse UPL Valerianella radiata Beaked Cornsalad FAC Tiedemannia filiformis FACW Ulmus alata Winged Elm FACU Valerianella umbilicata Navel Cornsalad FAC Tilia americana American Basswood FACU Ulmus americana American Elm FACW Vallisneria americana American Eel-Grass OBL Tillandsia usneoides Spanish-Moss UPL Ulmus crassifolia Cedar Elm FAC Vandenboschia boschiana Appalachian Fern FACW Tipularia discolor Crippled-Cranefly FACU Ulmus glabra Wych Elm UPL Veratrum latifolium Slender Bunchflower FACU Tiquilia nuttallii Rosette Crinklemat FACU Ulmus parvifolia Chinese Elm UPL Veratrum virginicum Virginia Bunchflower FACW Tofieldia glabra White Featherling FACW Ulmus pumila Siberian Elm FACU Veratrum viride American False Hellebore FACW Torreyochloa pallida Pale False Manna Grass OBL Ulmus rubra Slippery Elm FAC Verbascum blattaria White Moth Mullein UPL Toxicodendron pubescens Eastern Poison-Oak FACU Ulmus serotina September Elm FAC Verbascum thapsus Great Mullein FACU Toxicodendron radicans Eastern Poison Ivy FAC Ulmus thomasii Rock Elm FACU Verbena X engelmannii FAC Toxicodendron rydbergii Western Poison Ivy FAC Uniola paniculata Sea-Oats FACU Verbena X rydbergii FACW Toxicodendron vernix Poison-Sumac OBL Urochloa distachya Tropical Liverseed Grass FACU Verbena bonariensis Purple-Top Vervain FAC Tradescantia bracteata Long-Bract Spiderwort UPL Urochloa fusca Brown-Top Liverseed Grass FACU Verbena bracteata Carpet Vervain UPL Tradescantia fluminensis Small-Leaf Wandering-Jew FAC Urochloa mutica Para Liverseed Grass FACW Verbena hastata Simpler's-Joy FACW Tradescantia occidentalis Prairie Spiderwort UPL Urochloa panicoides Panic Liverseed Grass FACU Verbena incompta Brazilian Vervain FACW Tradescantia ohiensis Bluejacket FAC Urochloa plantaginea Plantain Liverseed Grass FAC Verbena officinalis Herb-of-the-Cross FACU Tradescantia virginiana Virginia Spiderwort FACU Urochloa platyphylla Broad-Leaf Liverseed Grass FAC Verbena scabra Sandpaper Vervain FACW Tradescantia zebrina Inchplant UPL Urochloa ramosa Dixie Liverseed Grass FACU Verbena urticifolia White Vervain FAC Trapa natans Water-Chestnut OBL Urochloa reptans Sprawling Liverseed Grass UPL Verbesina alternifolia Wingstem FAC Trautvetteria caroliniensis Carolina Tassel-Rue FACW Urtica chamaedryoides Heart-Leaf Nettle FACU Verbesina encelioides Golden Crownbeard FACU Trepocarpus aethusae Whitenymph FACW Urtica dioica Stinging Nettle FACU Verbesina occidentalis Yellow Crownbeard FACU Triadica sebifera Chinese Tallowtree FAC Utricularia cornuta Horned Bladderwort OBL Verbesina virginica White Crownbeard UPL Triantha glutinosa Sticky False Asphodel OBL Utricularia floridana Florida Yellow Bladderwort OBL Verbesina walteri Carolina Crownbeard FAC Triantha racemosa Coastal False Asphodel OBL Utricularia foliosa Leafy Bladderwort OBL Vernonia angustifolia Tall Ironweed FACU Trianthema portulacastrum Desert Horse-Purslane FAC Utricularia geminiscapa Hidden-Fruit Bladderwort OBL Vernonia arkansana Arkansas Ironweed FAC Tribulus cistoides Jamaican Feverplant UPL Utricularia gibba Humped Bladderwort OBL Vernonia baldwinii Western Ironweed UPL Trichophorum caespitosum Tufted Leafless-Bulrush OBL Utricularia inflata Swollen Bladderwort OBL Vernonia fasciculata Prairie Ironweed FAC Trichostema dichotomum Forked Bluecurls UPL Utricularia intermedia Flat-Leaf Bladderwort OBL Vernonia gigantea Giant Ironweed FAC Tridens albescens White Fluff Grass FAC Utricularia juncea Southern Bladderwort OBL Vernonia lettermannii Narrow-Leaf Ironweed FACW Tridens ambiguus Pine-Barren Fluff Grass FACW Utricularia macrorhiza Greater Bladderwort OBL Vernonia missurica Missouri Ironweed FACU Tridens flavus Tall Redtop FACU Utricularia minor Lesser Bladderwort OBL Vernonia noveboracensis New York Ironweed FACW Tridens muticus Awnless Fluff Grass FAC Utricularia olivacea Piedmont Bladderwort OBL Vernonia texana Texas Ironweed FACU Tridens strictus Long-Spike Fluff Grass FACW Utricularia purpurea Eastern Purple Bladderwort OBL Veronica americana American-Brooklime OBL Trientalis borealis Maystar FAC Utricularia radiata Little Floating Bladderwort OBL Veronica anagallis-aquatica Blue Water Speedwell OBL Trifolium dubium Suckling Clover UPL Utricularia resupinata Lavender Bladderwort OBL Veronica arvensis Corn Speedwell UPL Trifolium fragiferum Strawberry-Head Clover FACU Utricularia striata Striped Bladderwort OBL Veronica beccabunga European Speedwell OBL Trifolium hybridum Alsike Clover FACU Utricularia subulata Zigzag Bladderwort OBL Veronica chamaedrys Germander Speedwell UPL Trifolium pratense Red Clover FACU Uvularia perfoliata Perfoliate Bellwort FACU Veronica officinalis Common Gypsyweed FACU Trifolium repens White Clover FACU Uvularia puberula Mountain Bellwort FACU Veronica peregrina Neckweed FAC Trifolium resupinatum Reversed Clover UPL Uvularia sessilifolia Sessile-Leaf Bellwort FAC Veronica scutellata Grass-Leaf Speedwell OBL Veronica serpyllifolia Thyme-Leaf Speedwell FAC Vitis rotundifolia Muscadine FAC Acadian Quillwort Isoetes acadiensis OBL Veronicastrum virginicum Culver's-Root FACU Vitis rupestris Rock Grape FACU Adam-and-Eve Aplectrum hyemale FAC Viburnum acerifolium Maple-Leaf Arrow-Wood UPL Vitis vulpina Frost Grape FAC Addison's Leather-Flower Clematis addisonii FACU Viburnum dentatum Southern Arrow-Wood FAC Vulpia bromoides Brome Six-Weeks Grass FACU Adherent Bristle Grass Setaria adhaerens UPL Viburnum lantanoides Hobblebush FACU Vulpia myuros Rat-Tail Six-Weeks Grass UPL Adirondack Blackberry Rubus lawrencei FAC Viburnum lentago Nanny-Berry FAC Vulpia octoflora Eight-Flower Six-Weeks Grass UPL African Bristle Grass Setaria sphacelata FAC Viburnum nudum Possumhaw OBL Wisteria frutescens American Wisteria FACW Agueweed Gentianella quinquefolia FAC Viburnum obovatum Small-Leaf Arrow-Wood FACW Wolffia borealis Northern Watermeal OBL Akan Asante Helminthotheca echioides UPL Viburnum opulus Highbush-Cranberry FACW Wolffia brasiliensis Brazilian Watermeal OBL Alabama Cranebrake Pitcherplant Viburnum prunifolium Smooth Blackhaw FACU Wolffia columbiana Columbian Watermeal OBL Sarracenia alabamensis OBL Viburnum recognitum Smooth Arrow-Wood FAC Wolffia globosa Asian Watermeal OBL Alabama Supplejack Berchemia scandens FACW Viburnum rufidulum Rusty Blackhaw UPL Wolffiella gladiata Sword Bogmat OBL Alabama Warbonnet Jamesianthus alabamensis OBL Vicia americana American Purple Vetch FACU Woodwardia areolata Netted Chain Fern FACW Alder-Leaf Buckthorn Rhamnus alnifolia OBL Vicia caroliniana Carolina Vetch FACU Woodwardia virginica Virginia Chain Fern OBL Aleutian Maidenhair Adiantum aleuticum FAC Vicia ludoviciana Louisiana Vetch FACU X Elyhordeum macounii FACU Alfalfa Medicago sativa UPL Vicia minutiflora Pygmy-Flower Vetch FAC Xanthium spinosum Spiny Cockleburr FACU Alkali American-Aster Symphyotrichum ciliatum FAC Vicia sativa Garden Vetch FACU Xanthium strumarium Rough Cockleburr FAC Alkali Muhly Muhlenbergia asperifolia FACW Vigna luteola Wild Cow-Pea FACW Xanthorhiza simplicissima Shrub Yellowroot FACW Alkali Yellowtops Flaveria campestris FAC Viola X bernardii FACU Xyris ambigua Coastal-Plain Yellow-Eyed-Grass Alkali-Sacaton Sporobolus airoides FAC Viola X champlainensis FAC OBL Allegheny Blackberry Rubus allegheniensis FACU Viola X dissita FAC Xyris baldwiniana Baldwin's Yellow-Eyed-Grass OBL Allegheny Brookfoam Boykinia aconitifolia FACW Viola X greenmanii FACU Xyris brevifolia Short-Leaf Yellow-Eyed-Grass OBL Allegheny Monkey-Flower Mimulus ringens OBL Viola X mistura FACU Xyris caroliniana Carolina Yellow-Eyed-Grass FACW Allegheny Mountain Buttercup Ranunculus allegheniensis FAC Viola X napae FAC Xyris chapmanii Chapman's Yellow-Eyed-Grass OBL Alligator-Weed Alternanthera philoxeroides OBL Viola X porteriana FACW Xyris difformis Bog Yellow-Eyed-Grass OBL Almond-Leaf Willow Salix triandra FACW Viola X viarum FACU Xyris elliottii Elliott's Yellow-Eyed-Grass OBL Aloe Yucca Yucca aloifolia FACU Viola affinis Sand Violet FACW Xyris fimbriata Fringed Yellow-Eyed-Grass OBL Alpine Eared Rockcress Arabis alpina FAC Viola bicolor Field Pansy FACU Xyris flabelliformis Savannah Yellow-Eyed-Grass OBL Alpine Northern-Rockcress Braya humilis UPL Viola blanda Sweet White Violet FACW Xyris jupicai Richard's Yellow-Eyed-Grass OBL Alpine Violet Viola labradorica FAC Viola brittoniana Northern Coastal Violet FAC Xyris laxifolia Lax-Leaf Yellow-Eyed-Grass OBL Alsike Clover Trifolium hybridum FACU Viola canadensis Canadian White Violet FAC Xyris louisianica Louisiana Yellow-Eyed-Grass OBL Alternate Milkwort Polygala ambigua FACU Viola cucullata Marsh Blue Violet FACW Xyris montana Northern Yellow-Eyed-Grass OBL Alternate-Leaf Dogwood Cornus alternifolia FAC Viola hastata Halberd-Leaf Yellow Violet UPL Xyris platylepis Tall Yellow-Eyed-Grass OBL Alternate-Leaf Flat Sedge Cyperus involucratus FACW Viola hirsutula Southern Woodland Violet FACU Xyris scabrifolia Harper's Yellow-Eyed-Grass OBL Amazon Viper Grass Dinebra panicoides FACW Viola labradorica Alpine Violet FAC Xyris smalliana Small's Yellow-Eyed-Grass OBL American Alumroot Heuchera americana FACU Viola lanceolata Bog White Violet OBL Xyris tennesseensis Tennessee Yellow-Eyed-Grass OBL American Basswood Tilia americana FACU Viola langloisii Langlois' Violet FACW Xyris torta Slender Yellow-Eyed-Grass OBL American Beach Grass Ammophila breviligulata FACU Viola macloskeyi Smooth White Violet FACW Yeatesia viridiflora Yellow Bractspike FACW American Beauty-Berry Callicarpa americana FACU Viola missouriensis Missouri Violet FACU Youngia japonica Oriental False Hawk's-Beard FACU American Beech Fagus grandifolia FACU Viola nephrophylla Northern Bog Violet FACW Yucca aloifolia Aloe Yucca FACU American Bittercress Cardamine rotundifolia OBL Viola palmata Three-Lobe Violet FACU Yucca gloriosa Moundlily Yucca FAC American Bittersweet Celastrus scandens FACU Viola pedata Bird-Foot Violet FACU Zannichellia palustris Horned-Pondweed OBL American Black Nightshade Solanum americanum FACU Viola pedatifida Crow-Foot Violet FACU Zanthoxylum americanum Toothachetree FACU American Bladdernut Staphylea trifolia FAC Viola primulifolia Primroseleaf Violet FAC Zanthoxylum clava-herculis Hercules'-Club FAC American Bluehearts Buchnera americana FACU Viola pubescens Downy Yellow Violet FACU Zeltnera beyrichii Quinineweed FACU American Buckwheatvine Brunnichia ovata FACW Viola renifolia Kidney-Leaf White Violet FACW Zenobia pulverulenta Honeycup FACW American Bugseed Corispermum americanum FACU Viola rostrata Long-Spur Violet FACU Zephyranthes atamasca Atamasco-Lily FACW American Burnweed Senecio hieraciifolius FACU Viola rotundifolia Round-Leaf Yellow Violet FAC Zephyranthes simpsonii Red-Margin Zephyr-Lily FAC American Burr-Reed Sparganium americanum OBL Viola sagittata Arrow-Leaf Violet FAC Zigadenus glaberrimus Sandbog Deathcamas OBL American Climbing Fern Lygodium palmatum FACW Viola septemloba Southern Coastal Violet FACW Zizania aquatica Indian Wild Rice OBL American Cow-Parsnip Heracleum maximum FAC Viola septentrionalis Northern Woodland Violet FACU Zizania palustris Northern Wild Rice OBL American Cow-Wheat Melampyrum lineare FACU Viola sororia Hooded Blue Violet FAC Zizaniopsis miliacea Marsh-Millet OBL American Cupscale Sacciolepis striata OBL Viola striata Striped Cream Violet FACW Zizia aptera Heart-Leaf Alexanders FAC American Deerweed Acmispon americanus FACU Viola subsinuata Early Blue Violet FACU Zizia aurea Golden Alexanders FAC American Dragonhead Dracocephalum parviflorum FACU Viola villosa Carolina Violet FACU Zizia trifoliata Meadow Alexanders FACU American Eel-Grass Vallisneria americana OBL Viola walteri Prostrate Blue Violet FACU Zostera marina Seawrack OBL American Elm Ulmus americana FACW Vitex negundo Five-Leaf Chastetree UPL Zoysia matrella Manila Temple Grass UPL American False Hellebore Veratrum viride FACW Vitis X labruscana FACU American Featherfoil Hottonia inflata OBL Vitis X novae-angliae FACW American Fly-Honeysuckle Lonicera canadensis FACU Vitis aestivalis Summer Grape FACU American Germander Teucrium canadense FACW Vitis cinerea Gray-Bark Grape FACW American Globeflower Trollius laxus OBL Vitis labrusca Fox Grape FACU American Golden-Saxifrage Chrysosplenium americanum OBL Vitis palmata Catbird Grape FACW American Halfchaff Sedge Lipocarpha maculata OBL Vitis riparia River-Bank Grape FACW American Hazelnut Corylus americana FACU American Hog-Peanut Amphicarpaea bracteata FAC Arctic Burr-Reed Sparganium natans OBL Barbed-Bristle Bulrush Scirpus ancistrochaetus OBL American Holly Ilex opaca FACU Arctic Sweet-Colt's-Foot Petasites frigidus FACW Barberry Hawthorn Crataegus berberifolia FAC American Hornbeam Carpinus caroliniana FAC Arkansas Ironweed Vernonia arkansana FAC Bare-Stem Bishop's-Cap Mitella nuda FACW American Larch Larix laricina FACW Arkansas Manna Grass Glyceria arkansana OBL Barratt's Sedge Carex barrattii OBL American Licorice Glycyrrhiza lepidota UPL Arkansas Sedge Carex arkansana FACU Basket Willow Salix viminalis FACW American Lopseed Phryma leptostachya FACU Arrow-Feather Three-Awn Aristida purpurascens FAC Bastard-Toadflax Comandra umbellata FACU American Lotus Nelumbo lutea OBL Arrow-Leaf Tearthumb Persicaria sagittata OBL Bay Forget-Me-Not Myosotis laxa OBL American Manna Grass Glyceria grandis OBL Arrow-Leaf Violet Viola sagittata FAC Bayberry Willow Salix myricoides FACW American Marsh-Pennywort Hydrocotyle americana OBL Arum-Leaf Arrowhead Sagittaria cuneata OBL Bay-Hops Ipomoea pes-caprae FAC American Millet Grass Milium effusum FACU Ashe's Magnolia Magnolia ashei FACU Bayonet Rush Juncus militaris OBL American Mountain-Ash Sorbus americana FACU Ash-Leaf Maple Acer negundo FAC Beach False Foxglove Agalinis fasciculata FAC American Pillwort Pilularia americana OBL Ashy Pipewort Eriocaulon cinereum OBL Beach Morning-Glory Ipomoea imperati FACU American Plum Prunus americana FACU Asian Bittersweet Celastrus orbiculatus FACU Beaked Cornsalad Valerianella radiata FAC American Pokeweed Phytolacca americana FACU Asian Crab Grass Digitaria bicornis UPL Beaked Cut-Throat Grass Coleataenia anceps FAC American Purple Vetch Vicia americana FACU Asian Mosquito Fern Azolla pinnata OBL Beaked Ditch-Grass Ruppia maritima OBL American Searocket Cakile edentula FACU Asian Pigeonwings Clitoria ternatea FACU Beaked Grooveburr Agrimonia rostellata FACU American Shoreweed Littorella americana OBL Asian Pony's-Foot Dichondra micrantha FAC Beaked Hazelnut Corylus cornuta FACU American Silver-Berry Elaeagnus commutata UPL Asian Watermeal Wolffia globosa OBL Beaked Spike-Rush Eleocharis rostellata OBL American Slough Grass Beckmannia syzigachne OBL Asiatic Dayflower Commelina communis FAC Bearded Beggarticks Bidens aristosa FACW American Snowbell Styrax americanus OBL Asiatic Tearthumb Persicaria perfoliata FAC Bearded Grass-Pink Calopogon barbatus FACW American Spikenard Aralia racemosa FACU Asparagus Asparagus officinalis FACU Bearded Sedge Carex comosa OBL American Spongeplant Limnobium spongia OBL Asthmaweed Erigeron bonariensis FACU Bearded Shorthusk Brachyelytrum erectum FACU American Strawberry-Bush Euonymus americanus FAC Atamasco-Lily Zephyranthes atamasca FACW Bearded Sprangletop Diplachne fusca FACW American Sycamore Platanus occidentalis FACW Atlantic Camas Camassia scilloides FAC Beardless Rabbit's-Foot Grass Polypogon viridis FACW American Twinflower Linnaea borealis FAC Atlantic Goldenrod Solidago arguta UPL Beautiful Hawthorn Crataegus pulcherrima FAC American Umbrella-Leaf Diphylleia cymosa FACU Atlantic Manna Grass Glyceria obtusa OBL Bebb's Sedge Carex bebbii OBL American Water Starwort Stellaria fontinalis FACW Atlantic Ninebark Physocarpus opulifolius FACW Beck's Water-Marigold Bidens beckii OBL American Water-Plantain Alisma subcordatum OBL Atlantic Pigeonwings Clitoria mariana FACU Bedstraw St. John's-Wort Hypericum galioides OBL American Water-Willow Justicia americana OBL Atlantic River Harperella Harperella vivipara OBL Beefsteakplant Perilla frutescens FACU American Waterwort Elatine americana OBL Atlantic St. John's-Wort Hypericum tenuifolium FACU Beetleweed Galax urceolata FACU American White Water-Lily Nymphaea odorata OBL Atlantic White-Cedar Chamaecyparis thyoides OBL Beggar's-Lice Hackelia virginiana FACU American Wild Mint Mentha arvensis FACW August-Flower Scorzoneroides autumnalis FAC Bellard's Knotweed Polygonum patulum FAC American Wild Sensitive-Plant Senna hebecarpa FAC Aunt Lucy Ellisia nyctelea FACU Bent Alligator-Flag Thalia geniculata OBL American Wintergreen Pyrola americana FAC Australian Beard Grass Bothriochloa bladhii FACU Bent Sedge Carex styloflexa FACW American Wisteria Wisteria frutescens FACW Australian Water-Buttons Cotula australis FAC Bermuda Grass Cynodon dactylon FACU American Witch-Hazel Hamamelis virginiana FACU Australian Water-Clover Marsilea mutica OBL Beyrich's Three-Awn Aristida beyrichiana UPL American Yew Taxus canadensis FAC Austrian Yellowcress Rorippa austriaca FAC Bicknell's Sedge Carex bicknellii FAC American-Bellflower Campanulastrum americanum FACU Autumn Blue Grass Poa autumnalis FAC Biennial Evening-Primrose Oenothera gaura FACU American-Brooklime Veronica americana OBL Autumn Willow Salix serissima OBL Biennial Wormwood Artemisia biennis FACU Angle-Stem Beak Sedge Rhynchospora caduca OBL Awl-Leaf Arrowhead Sagittaria subulata OBL Big Bluestem Andropogon gerardii FAC Angle-Stem Primrose-Willow Ludwigia leptocarpa OBL Awned Flat Sedge Cyperus squarrosus FACW Big Carpet Grass Axonopus furcatus FACW Angular-Fruit Anglepod Gonolobus suberosus FACW Awned Halfchaff Sedge Lipocarpha aristulata FACW Big Cord Grass Spartina cynosuroides OBL Anil-de-Pasto Indigofera suffruticosa UPL Awned Mountain-Mint Pycnanthemum setosum FACU Big Floatingheart Nymphoides aquatica OBL Aniseroot Osmorhiza longistylis FACU Awnless Fluff Grass Tridens muticus FAC Big-Head Rush Juncus megacephalus OBL Annual Blue Grass Poa annua FACU Awnless Wild Rye Elymus curvatus FAC Big-Leaf Snowbell Styrax grandifolius FACU Annual Blue-Eyed-Grass Sisyrinchium rosulatum FAC Awn-Petal Meadow-Beauty Rhexia aristosa OBL Big-Tooth Aspen Populus grandidentata FACU Annual Fimbry Fimbristylis annua FACW Axil-Flower Mecardonia acuminata OBL Big-Top Love Grass Eragrostis hirsuta UPL Annual Jacob's-Ladder Polemonium micranthum FACU Bagpod Sesbania vesicaria FAC Billings' Sedge Carex billingsii OBL Annual Knawel Scleranthus annuus FACU Bahia Grass Paspalum notatum FACU Bird-Eye Pearlwort Sagina procumbens FACW Annual Marsh-Elder Iva annua FAC Bahia Love Grass Eragrostis bahiensis FAC Bird-Foot Violet Viola pedata FACU Annual Pearlwort Sagina apetala FAC Bailey's Dewberry Rubus baileyanus FACU Bishop's Goutweed Aegopodium podagraria FACU Annual Rabbit's-Foot Grass Polypogon monspeliensis FACW Bailey's Sedge Carex baileyi OBL Bitter Dock Rumex obtusifolius FACU Annual Ragweed Ambrosia artemisiifolia FACU Baldwin's Flat Sedge Cyperus croceus FACU Bitter Panic Grass Panicum amarum FACU Annual Seepweed Suaeda linearis OBL Baldwin's Spike-Rush Eleocharis baldwinii OBL Bitter-Nut Hickory Carya cordiformis FACU Annual Wormwood Artemisia annua FACU Baldwin's Yellow-Eyed-Grass Xyris baldwiniana OBL Black Ash Fraxinus nigra FACW Apalachicola Wild Indigo Baptisia megacarpa FAC Balsam Fir Abies balsamea FAC Black Bamboo Phyllostachys nigra FACU Appalachian False Goat's-Beard Astilbe Balsam Groundsel Packera paupercula FAC Black Bent Agrostis gigantea FACW biternata FACU Balsam Mountain Gentian Gentiana latidens FACW Black Blueberry Vaccinium fuscatum FAC Appalachian Fern Vandenboschia boschiana FACW Balsam Poplar Populus balsamifera FACW Black Cherry Prunus serotina FACU Appalachian Mountain-Mint Pycnanthemum flexuosum FACW Balsam-Pear Momordica charantia UPL Black Chokeberry Aronia melanocarpa FAC Appalachian Quillwort Isoetes appalachiana OBL Baltic Rush Juncus balticus OBL Black Elder Sambucus nigra FAC Apple Mint Mentha suaveolens FACW Bamboovine Smilax pseudochina FAC Black Huckleberry Gaylussacia baccata FACU Aquatic Milkweed Asclepias perennis OBL Banana Water-Lily Nymphaea mexicana OBL Black Locust Robinia pseudoacacia FACU Arborescent Angel's-Tears Brugmansia versicolor FACU Bandanna-of-the-Everglades Canna flaccida OBL Black Maple Acer nigrum FACU Black Medick Medicago lupulina FACU Bog Rush Juncus marginatus FACW Brome Six-Weeks Grass Vulpia bromoides FACU Black Spruce Picea mariana FACW Bog Smartweed Persicaria setacea OBL Brome-Like Sedge Carex bromoides FACW Black Tupelo Nyssa sylvatica FAC Bog Spicebush Lindera subcoriacea OBL Bronze-Head Oval Sedge Carex foenea UPL Black Walnut Juglans nigra FACU Bog White Violet Viola lanceolata OBL Brook Cinquefoil Potentilla rivalis FACW Black Willow Salix nigra OBL Bog Wild Oat Grass Danthonia epilis OBL Brook Crown Grass Paspalum acuminatum OBL Black-Bindweed Fallopia convolvulus FACU Bog Willow Salix pedicellaris OBL Brook Lobelia Lobelia kalmii OBL Black-Edge Sedge Carex nigromarginata UPL Bog Willowherb Epilobium leptophyllum OBL Brookside Alder Alnus serrulata OBL Black-Eyed-Susan Rudbeckia hirta FACU Bog Yellowcress Rorippa palustris OBL Broom Rosette Grass Dichanthelium scoparium FACW Black-Eyed-Susan-Vine Thunbergia alata UPL Bog Yellow-Eyed-Grass Xyris difformis OBL Broom-Corn Sorghum bicolor UPL Black-Foot Quillwort Isoetes melanopoda OBL Bog-Laurel Kalmia polifolia OBL Broom-Sedge Andropogon virginicus FACU Black-Fruit Spike-Rush Eleocharis melanocarpa FACW Bog-Rosemary Andromeda polifolia OBL Brown Beak Sedge Rhynchospora fusca OBL Black-Girdle Bulrush Scirpus atrocinctus FACW Boissier's Glory-of-the-Snow Scilla luciliae FAC Brown Bog Sedge Carex buxbaumii OBL Black-Seed Plantain Plantago rugelii FACU Boreal American-Aster Symphyotrichum boreale OBL Brown Wide-Lip Orchid Liparis liliifolia FACU Black-Seed Spear Grass Piptochaetium avenaceum UPL Boreal Starwort Stellaria borealis FACW Brown-Eyed-Susan Rudbeckia triloba FACU Black-Spore Quillwort Isoetes melanospora OBL Boreal-Bog Sedge Carex magellanica OBL Brown-Fruit Rush Juncus pelocarpus OBL Blisterwort Ranunculus recurvatus FAC Bosc's Mille-Graines Oldenlandia boscii FACW Brownish Beak Sedge Rhynchospora capitellata OBL Blood Rosette Grass Dichanthelium consanguineum FACU Bottle Gentian Gentiana clausa FACW Brownish Sedge Carex brunnescens FACW Bloodflower Asclepias curassavica FAC Bottlebrush Three-Awn Aristida spiciformis FAC Brown-Ray Knapweed Centaurea jacea FACU Bloodroot Sanguinaria canadensis UPL Bottom-Land Post Oak Quercus similis FACW Brown-Top Liverseed Grass Urochloa fusca FACU Bloody-Butcher Trillium recurvatum UPL Bouncing-Bett Saponaria officinalis FACU Buck-Bean Menyanthes trifoliata OBL Blue Huckleberry Gaylussacia frondosa FAC Boykin's Lobelia Lobelia boykinii OBL Buck-Horn Plantain Plantago coronopus FACU Blue Maiden-Cane Amphicarpum amphicarpon FACW Branched Blackberry Rubus suus FAC Buckthorn Bully Sideroxylon lycioides FACW Blue Mistflower Conoclinium coelestinum FAC Branched Burr-Reed Sparganium androcladum OBL Buckwheat-Tree Cliftonia monophylla OBL Blue Mud-Plantain Heteranthera limosa OBL Branched Centaury Centaurium pulchellum FAC Buffalo Grass Bouteloua dactyloides FACU Blue Ridge Bittercress Cardamine flagellifera FACU Branched Foldwing Dicliptera brachiata FACW Buffalo-Nut Pyrularia pubera UPL Blue Ridge Hedge-Nettle Stachys appalachiana OBL Branched Hedge-Hyssop Gratiola ramosa FACW Buffel Grass Cenchrus ciliaris UPL Blue Ridge Huckleberry Gaylussacia orocola OBL Branched Tearthumb Persicaria meisneriana FAC Bulblet Bladder Fern Cystopteris bulbifera FAC Blue Ridge St. John's-Wort Hypericum mitchellianum FACU Brazilian Arrow-Wood Canna glauca OBL Bulblet-Bearing Water-Hemlock Cicuta bulbifera OBL Blue Sedge Carex glaucodea FAC Brazilian Vervain Verbena incompta FACW Bulbous Adder's-Tongue Ophioglossum crotalophoroides Blue Spike-Moss Selaginella uncinata OBL Brazilian Watermeal Wolffia brasiliensis OBL FAC Blue Spruce Picea pungens FAC Brazilian-Waterweed Egeria densa OBL Bulbous Bittercress Cardamine bulbosa OBL Blue Water Speedwell Veronica anagallis-aquatica OBL Bride's-Feathers Aruncus dioicus FACU Bulbous Blue Grass Poa bulbosa FACU Blue Water-Hyssop Bacopa caroliniana OBL Bright-Green Spike-Rush Eleocharis olivacea OBL Bulbous Wood-Rush Luzula bulbosa FACU Blue Waxweed Cuphea viscosissima FAC Bristle-Leaf Lateral-Bulrush Isolepis setacea OBL Bull Crown Grass Paspalum boscianum FACW Blue Wild Indigo Baptisia australis FACU Bristle-Leaf Sedge Carex eburnea FACU Bull Thistle Cirsium vulgare FACU Blue Wild Rye Elymus glaucus FACU Bristle-Seed Yellow Star-Grass Hypoxis wrightii FAC Bull-Tongue Arrowhead Sagittaria lancifolia OBL Bluebell-of-Scotland Campanula rotundifolia FACU Bristly Black Gooseberry Ribes lacustre FACW Bunched Arrowhead Sagittaria fasciculata OBL Blueberry Hawthorn Crataegus brachyacantha OBL Bristly Buttercup Ranunculus hispidus FAC Bunched Beak Sedge Rhynchospora cephalantha OBL Bluebill Clematis pitcheri FACU Bristly Dewberry Rubus hispidus FACW Burr Oak Quercus macrocarpa FAC Blue-Flower Butterwort Pinguicula caerulea OBL Bristly Lady's-Thumb Persicaria longiseta FAC Burr-Reed Sedge Carex sparganioides FACU Blue-Flower Eryngo Eryngium integrifolium FACW Bristly-Fruit Scaleseed Spermolepis echinata FACU Bush's Blackberry Rubus bushii FACW Bluejacket Tradescantia ohiensis FAC Bristly-Stalk Sedge Carex leptalea OBL Bush's Sedge Carex bushii FACW Bluejoint Calamagrostis canadensis FACW Brittle Bladder Fern Cystopteris fragilis FACU Bushy Bluestem Andropogon glomeratus FACW Bluemink Ageratum houstonianum FACU Brittle Waternymph Najas minor OBL Bushy Cinquefoil Potentilla supina OBL Blue-Pod Lupine Lupinus polyphyllus FAC Brittle-Stem Hemp-Nettle Galeopsis tetrahit FACU Bushy Goldentop Euthamia leptocephala FACW Blueridge St. John's-Wort Hypericum buckleyi FAC Britton's Nut-Rush Scleria brittonii OBL Bushy Seaside-Tansy Borrichia frutescens OBL Blunt Broom Sedge Carex tribuloides FACW Britton's Sedge Carex tetrastachya FACW Bushy St. John's-Wort Hypericum densiflorum FACW Blunt Spike-Rush Eleocharis obtusa OBL Broad Beech Fern Phegopteris hexagonoptera FAC Butler's Sand-Parsley Ammoselinum butleri FAC Blunt-Leaf Bedstraw Galium obtusum FACW Broad Loose-Flower Sedge Carex laxiflora FACU Buttercup Scorpion-Weed Phacelia covillei FACW Blunt-Leaf Grove-Sandwort Moehringia lateriflora FAC Broad-Fruit Burr-Reed Sparganium eurycarpum OBL Button Eryngo Eryngium yuccifolium FAC Blunt-Leaf Pondweed Potamogeton obtusifolius OBL Broad-Fruit Horned Beak Sedge Button Sedge Carex bullata OBL Blunt-Leaf Waterleaf Hydrophyllum canadense FACU Rhynchospora careyana OBL Buzzy-Lizzy Impatiens walleriana FACW Blunt-Leaf Yellowcress Rorippa curvipes FACW Broad-Leaf Barbara's-Buttons Marshallia trinervia FACU California Club-Rush Schoenoplectus californicus OBL Blunt-Lobe Grape Fern Sceptridium oneidense FAC Broad-Leaf Carpet Grass Axonopus compressus FACW California Loosestrife Lythrum californicum OBL Bog Birch Betula pumila OBL Broad-Leaf Cat-Tail Typha latifolia OBL Camelthorn Alhagi maurorum FAC Bog Blue Grass Poa paludigena FACW Broad-Leaf Enchanter's-Nightshade Circaea Camphortree Cinnamomum camphora FACU Bog Chickweed Stellaria alsine OBL canadensis FACU Canadian Black-Snakeroot Sanicula canadensis UPL Bog Club-Rush Schoenoplectus mucronatus OBL Broad-Leaf Liverseed Grass Urochloa platyphylla FAC Canadian Blue Lettuce Lactuca canadensis FACU Bog Fern Parathelypteris simulata FACW Broad-Leaf Meadowsweet Spiraea latifolia FACW Canadian Bunchberry Cornus canadensis FAC Bog Goldenrod Solidago uliginosa OBL Broad-Leaf Pepperwort Lepidium latifolium FAC Canadian Burnet Sanguisorba canadensis FACW Bog Jacob's-Ladder Polemonium vanbruntiae FACW Broad-Leaf Pondweed Potamogeton natans OBL Canadian Clearweed Pilea pumila FACW Bog Muhly Muhlenbergia uniflora OBL Broad-Leaf Rosette Grass Dichanthelium latifolium FACU Canadian Goldenrod Solidago canadensis FACU Bog Nodding-Aster Oclemena nemoralis FACW Broad-Tooth Hedge-Nettle Stachys latidens FAC Canadian Gooseberry Ribes oxyacanthoides FACU Bog Orchid Platanthera aquilonis FACW Broad-Wing Sedge Carex alata OBL Canadian Honewort Cryptotaenia canadensis FAC Canadian Horseweed Erigeron canadensis FACU Carolina Yellow-Eyed-Grass Xyris caroliniana FACW Clammy Azalea Rhododendron viscosum FACW Canadian Lily Lilium canadense FAC Carolina-Laurel Kalmia carolina FAC Clammy Hedge-Hyssop Gratiola neglecta OBL Canadian Lousewort Pedicularis canadensis FACU Carolina-Vanilla Carphephorus odoratissimus FACW Clasping Pepperwort Lepidium perfoliatum UPL Canadian Milk-Vetch Astragalus canadensis FAC Carpenter's-Square Scrophularia marilandica FACU Clasping Twistedstalk Streptopus amplexifolius FAC Canadian Moonseed Menispermum canadense FACU Carpet Vervain Verbena bracteata UPL Clasping Water-Horehound Lycopus amplectens OBL Canadian Plum Prunus nigra UPL Carry-Me-Seed Phyllanthus amarus FAC Clasping-Coneflower Dracopis amplexicaulis FAC Canadian Rockcress Boechera stricta FACU Carson's Water-Parsnip Sium carsonii OBL Clasping-Leaf Pondweed Potamogeton perfoliatus OBL Canadian Rush Juncus canadensis OBL Cascade Oregon-Grape Mahonia nervosa FACU Clasping-Leaf St. John's-Wort Hypericum gymnanthum OBL Canadian Service-Berry Amelanchier canadensis FAC Castor-Bean Ricinus communis UPL Clasping-Leaf Venus'-Looking-Glass Canadian Thistle Cirsium arvense FACU Catawba Rosebay Rhododendron catawbiense FACU Triodanis perfoliata FAC Canadian Waterweed Elodea canadensis OBL Catberry Nemopanthus mucronatus OBL Climbing Black-Bindweed Fallopia scandens FAC Canadian White Violet Viola canadensis FAC Catbird Grape Vitis palmata FACW Climbing Dayflower Commelina diffusa FACW Canadian Wild Ginger Asarum canadense FACU Catchfly Grass Leersia lenticularis OBL Climbing Hempvine Mikania scandens FACW Canadian Wild Lovage Ligusticum canadense FAC Catchfly Prairie-Gentian Eustoma exaltatum FACW Climbing Nightshade Solanum dulcamara FAC Canadian Wood-Nettle Laportea canadensis FAC Catnip Nepeta cataria FACU Climbing Rose Rosa setigera FACU Canby's Club-Rush Schoenoplectus etuberculatus OBL Cat-Tail Gayfeather Liatris pycnostachya FACU Climbing-Aster Ampelaster carolinianus FACW Canby's Lobelia Lobelia canbyi OBL Cat-Tail Sedge Carex typhina FACW Climbing-Dogbane Thyrsanthella difformis FACW Candyroot Polygala nana FAC Cedar Elm Ulmus crassifolia FAC Clingman's Hedge-Nettle Stachys clingmanii FAC Cane Beard Grass Bothriochloa barbinodis FACU Chaffseed Schwalbea americana FACU Clinton's Wood Fern Dryopteris clintoniana FACW Canebrake Sedge Carex austrodeflexa OBL Chaffweed Lysimachia minima FACW Closed Bottle Gentian Gentiana andrewsii FACW Cape Leadwort Plumbago auriculata UPL Chairmaker's Club-Rush Schoenoplectus americanus OBL Cloud Sedge Carex haydenii OBL Capillary Hair Sedge Bulbostylis ciliatifolia FACU Chalky Bluestem Andropogon capillipes FACU Clustered Beak Sedge Rhynchospora glomerata OBL Capitate Spike-Rush Eleocharis geniculata FACW Chamber-Bitter Phyllanthus urinaria FAC Clustered Black-Snakeroot Sanicula odorata FACU Caraway Carum carvi UPL Chameleon Houttuynia cordata FAC Clustered Bush-Mint Hyptis alata OBL Cardinal-Flower Lobelia cardinalis FACW Chapman's Beak Sedge Rhynchospora chapmanii OBL Clustered Fescue Festuca paradoxa FAC Careless Weed Amaranthus palmeri FACU Chapman's Blue Grass Poa chapmaniana UPL Clustered Field Sedge Carex praegracilis FACW Carelessweed Cyclachaena xanthiifolia FAC Chapman's Butterwort Pinguicula planifolia OBL Clustered Goldenrod Solidago glomerata FAC Carey's Smartweed Persicaria careyi FACW Chapman's Sedge Carex chapmanii FACW Clustered Mille-Graines Oldenlandia uniflora FACW Carolina Ash Fraxinus caroliniana OBL Chapman's Yellow Star-Grass Hypoxis rigida FACW Clustered Mountain-Mint Pycnanthemum muticum FAC Carolina Birds-in-a-Nest Macbridea caroliniana OBL Chapman's Yellow-Eyed-Grass Xyris chapmanii OBL Clustered Pellitory Parietaria praetermissa FAC Carolina Bristle-Mallow Modiola caroliniana FACU Charity Polemonium caeruleum FACW Clustered Sedge Carex cumulata FACU Carolina Coralbead Cocculus carolinus FAC Checkered Rattlesnake-Plantain Goodyera Clustered Yellowtops Flaveria trinervia FAC Carolina Crownbeard Verbesina walteri FAC tesselata FACU Cluster-Spike Indigo-Bush Amorpha herbacea FAC Carolina Dayflower Commelina caroliniana FAC Cherokee Sedge Carex cherokeensis FACW Coarse Globe Beak Sedge Rhynchospora recognita FACW Carolina Doll's Daisy Boltonia caroliniana FACW Cherry-Bark Oak Quercus pagoda FACW Coastal Beak Sedge Rhynchospora pleiantha OBL Carolina Dropseed Sporobolus pinetorum FACW Chestnut Oak Quercus montana UPL Coastal Bluestem Andropogon glaucopsis FACW Carolina Elephant's-Foot Elephantopus carolinianus FACU Chickasaw Rose Rosa bracteata UPL Coastal Carolina Spider-Lily Hymenocallis crassifolia OBL Carolina False Buckthorn Frangula caroliniana FAC Chickenclaws Sarcocornia ambigua OBL Coastal Dock Rumex persicarioides FACW Carolina False Clubmoss Pseudolycopodiella caroliniana FACW Chickenspike Sphenoclea zeylanica OBL Coastal Doghobble Leucothoe axillaris FACW Carolina Fanwort Cabomba caroliniana OBL Chicory Cichorium intybus FACU Coastal False Asphodel Triantha racemosa OBL Carolina Grass-of-Parnassus Parnassia caroliniana OBL China-Berry Melia azedarach UPL Coastal Marsh-Pennywort Hydrocotyle bonariensis FACW Carolina Grasswort Lilaeopsis carolinensis OBL Chinaroot Smilax hispida FAC Coastal Rose-Gentian Sabatia calycina OBL Carolina Horse-Nettle Solanum carolinense FACU Chinese Beauty-Berry Callicarpa dichotoma OBL Coastal Salt Grass Distichlis spicata FACW Carolina Joint-Tail Grass Coelorachis cylindrica FAC Chinese Bush-Clover Lespedeza cuneata FACU Coastal Sedge Carex exilis OBL Carolina Laurel Cherry Prunus caroliniana FACU Chinese Elm Ulmus parvifolia UPL Coastal Sweet-Pepperbush Clethra alnifolia FAC Carolina Leaf-Flower Phyllanthus caroliniensis FAC Chinese Fevervine Paederia foetida FACU Coastal-Plain Beak Sedge Rhynchospora stenophylla FACW Carolina Lily Lilium michauxii FAC Chinese Hemlock-Parsley Conioselinum chinense FACW Coastal-Plain Blue-Eyed-Grass Sisyrinchium fuscatum FACU Carolina Pony's-Foot Dichondra carolinensis FACW Chinese Love Grass Eragrostis unioloides FAC Coastal-Plain Flat Sedge Cyperus cuspidatus FACW Carolina Primrose-Willow Ludwigia bonariensis OBL Chinese Mustard Brassica juncea UPL Coastal-Plain Sedge Carex crebriflora FACW Carolina Pseudosaxifrage Micranthes caroliniana FACW Chinese Privet Ligustrum sinense FACU Coastal-Plain Silk-Grass Pityopsis oligantha FAC Carolina Redroot Lachnanthes caroliniana OBL Chinese Silver Grass Miscanthus sinensis FACU Coastal-Plain St. John's-Wort Hypericum brachyphyllum FACW Carolina Rose Rosa carolina FACU Chinese Tallowtree Triadica sebifera FAC Coastal-Plain Tickseed Coreopsis gladiata FACW Carolina Sea-Lavender Limonium carolinianum OBL Chinese Water-Chestnut Eleocharis dulcis OBL Coastal-Plain Trumpetweed Eutrochium dubium FACW Carolina Sedge Carex caroliniana FACW Chinese Willow Salix babylonica FACW Coastal-Plain Yellow-Eyed-Grass Xyris Carolina Silverbell Halesia carolina FAC Chinkapin Oak Quercus muehlenbergii UPL ambigua OBL Carolina Spider-Lily Hymenocallis occidentalis OBL Chocolate-Weed Melochia corchorifolia FAC Cockroach-Berry Solanum capsicoides FACU Carolina Springbeauty Claytonia caroliniana FACU Choke Cherry Prunus virginiana FACU Cock-Spur Hawthorn Crataegus crus-galli FACU Carolina St. John's-Wort Hypericum nitidum OBL Christmas Fern Polystichum acrostichoides FACU Coco-Yam Colocasia esculenta FACW Carolina Tassel-Rue Trautvetteria caroliniensis FACW Christmas-Candlestick Leonotis nepetifolia FACU Codlins-and-Cream Epilobium hirsutum FACW Carolina Vetch Vicia caroliniana FACU Chufa Cyperus esculentus FACW Coffeeweed Senna obtusifolia FACU Carolina Violet Viola villosa FACU Church-Mouse Three-Awn Aristida dichotoma UPL Cogon Grass Imperata cylindrica FACU Carolina Water-Horehound Lycopus cokeri OBL Cinnamon Fern Osmundastrum cinnamomeum FACW Collins' Sedge Carex collinsii OBL Carolina Wild Petunia Ruellia caroliniensis FACU Cinnamon-Spot Pondweed Potamogeton oblongus OBL Colombian Waxweed Cuphea carthagenensis FAC Carolina Willow Salix caroliniana OBL Circular Crown Grass Paspalum orbiculatum FAC Colonial Bent Agrostis capillaris FAC Colt's-Foot Tussilago farfara FACU Coral-Berry Symphoricarpos orbiculatus FACU Cursed Buttercup Ranunculus sceleratus OBL Columbian Watermeal Wolffia columbiana OBL Core's Wild Hollyhock Iliamna corei FAC Curtis' Goldenrod Solidago curtisii FACU Comb-Leaf Mermaidweed Proserpinaca pectinata OBL Corn Speedwell Veronica arvensis UPL Curtis' Spurge Euphorbia curtisii FAC Comfortroot Hibiscus aculeatus FACW Corpse Black-Bindweed Fallopia dumetorum FACU Curtiss' Beak Sedge Rhynchospora curtissii OBL Common Boneset Eupatorium perfoliatum FACW Cotton-Batting-Plant Pseudognaphalium stramineum Curtiss' Yellow Star-Grass Hypoxis curtissii FACW Common Butterwort Pinguicula vulgaris OBL FAC Curved Sickle Grass Parapholis incurva FACU Common Buttonbush Cephalanthus occidentalis OBL Cottongrass Bulrush Scirpus cyperinus FACW Cuthbert's Holly Ilex cuthbertii FACW Common Canary Grass Phalaris canariensis FACU Cottony Golden-Aster Chrysopsis gossypina FACU Cuthbert's Turtlehead Chelone cuthbertii OBL Common Chickweed Stellaria media UPL Cowcockle Vaccaria hispanica FAC Cut-Leaf Blackberry Rubus laciniatus UPL Common Club-Rush Schoenoplectus lacustris OBL Crawe's Sedge Carex crawei FACW Cut-Leaf Evening-Primrose Oenothera laciniata FACU Common Dandelion Taraxacum officinale FACU Crawford's Sedge Carex crawfordii FAC Cut-Leaf Grape Fern Sceptridium dissectum FAC Common Duckmeat Spirodela polyrhiza OBL Cream Avens Geum virginianum FAC Cut-Leaf Ground-Cherry Physalis angulata FAC Common Duckweed Lemna minor OBL Creeping Blueberry Vaccinium crassifolium FAC Cut-Leaf Spleenwort Asplenium abscissum FACW Common Fig Ficus carica FACU Creeping Burrhead Echinodorus cordifolius OBL Cut-Leaf Teasel Dipsacus laciniatus FACU Common Fox Sedge Carex vulpinoidea OBL Creeping Buttercup Ranunculus repens FAC Cut-Leaf Toothwort Cardamine concatenata FACU Common Frogbit Hydrocharis morsus-ranae OBL Creeping Eryngo Eryngium prostratum OBL Cut-Leaf Water-Horehound Lycopus americanus OBL Common Globe-Amaranth Gomphrena globosa UPL Creeping Love Grass Eragrostis reptans FACW Cut-Leaf Water-Milfoil Myriophyllum pinnatum OBL Common Gorse Ulex europaeus UPL Creeping Manna Grass Glyceria acutiflora OBL Cylindric-Fruit Primrose-Willow Ludwigia glandulosa OBL Common Gypsyweed Veronica officinalis FACU Creeping Meadow-Foxtail Alopecurus arundinaceus FACW Cypress Rosette Grass Dichanthelium dichotomum FAC Common Hackberry Celtis occidentalis FACU Creeping Molasses Grass Melinis repens UPL Cypress-Knee Sedge Carex decomposita OBL Common Hop Humulus lupulus FACU Creeping Primrose-Willow Ludwigia repens OBL Cypress-Like Sedge Carex pseudocyperus OBL Common Hoptree Ptelea trifoliata FAC Creeping Spike-Rush Eleocharis fallax OBL Cypress-Swamp Sedge Carex joorii OBL Common Juniper Juniperus communis FACU Creeping St. John's-Wort Hypericum adpressum OBL Cypress-Vine Ipomoea quamoclit UPL Common Leopardbane Arnica acaulis FACU Creeping Velvet Grass Holcus mollis FACU Dagger-Leaf Spike-Rush Eleocharis lanceolata FACW Common Marsh Bedstraw Galium palustre OBL Creeping Wild Rye Elymus repens FACU Dahoon Ilex cassine FACW Common Marsh-Mallow Althaea officinalis FACW Creeping Yellow Wood-Sorrel Oxalis corniculata FACU Daisy-Leaf Moonwort Botrychium matricariifolium FACU Common Milkweed Asclepias syriaca FACU Creeping Yellowcress Rorippa sylvestris FACW Dark-Green Bulrush Scirpus atrovirens OBL Common Moonwort Botrychium lunaria FAC Creeping-Jenny Lysimachia nummularia FACW Dark-Green Sedge Carex venusta OBL Common Morning-Glory Ipomoea purpurea UPL Creeping-Snowberry Gaultheria hispidula FACW Darlington's Glade Spurge Euphorbia purpurea FAC Common Mouse-Ear Chickweed Cerastium Cress-Leaf Groundsel Packera glabella OBL Darlington's Oak Quercus hemisphaerica FACU fontanum FACU Crested Anoda Anoda cristata UPL Darrow's Blueberry Vaccinium darrowii FAC Common Nipplewort Lapsana communis FACU Crested Dog's-Tail Grass Cynosurus cristatus UPL Davis' Sedge Carex davisii FAC Common Panic Grass Panicum capillare FAC Crested Saltbush Atriplex mucronata FAC Deciduous Holly Ilex decidua FACW Common Pawpaw Asimina triloba FAC Crested Sedge Carex cristatella FACW Deciduous Traveler's-Joy Clematis ligusticifolia FACW Common Persimmon Diospyros virginiana FAC Crested Wood Fern Dryopteris cristata FACW Deerberry Vaccinium stamineum FACU Common Red Raspberry Rubus idaeus FAC Crested Yellow Orchid Platanthera cristata FACW Deer-Tongue Rosette Grass Dichanthelium clandestinum FAC Common Reed Phragmites australis FACW Crimson-Eyed Rose-Mallow Hibiscus moscheutos OBL Delmarva Beggarticks Bidens bidentoides FACW Common Rush Juncus pylaei OBL Crinkleroot Cardamine diphylla FACU Delta Arrowhead Sagittaria platyphylla OBL Common Selfheal Prunella vulgaris FACU Crippled-Cranefly Tipularia discolor FACU Delta Club-Rush Schoenoplectus deltarum FACW Common Sheep Sorrel Rumex acetosella UPL Crooked-Stem American-Aster Symphyotrichum prenanthoides Dense Gayfeather Liatris spicata FAC Common Silver-Hair Grass Aira caryophyllea FAC FAC Dense-Spike Blackroot Pterocaulon pycnostachyum FACU Common Snowberry Symphoricarpos albus FACU Cross-Leaf Heath Erica tetralix FACU Dense-Tuft Hair Sedge Bulbostylis capillaris FACU Common Sow-Thistle Sonchus oleraceus UPL Crossvine Bignonia capreolata FAC Deptford Pink Dianthus armeria UPL Common Spike-Rush Eleocharis palustris OBL Crow Garlic Allium vineale FACU Desert American-Aster Symphyotrichum expansum OBL Common St. John's-Wort Hypericum perforatum FAC Crow-Foot Violet Viola pedatifida FACU Desert Horse-Purslane Trianthema portulacastrum FAC Common Sunflower Helianthus annuus FAC Crowned Beggarticks Bidens trichosperma OBL Desert Tobacco Nicotiana obtusifolia FACU Common Tansy Tanacetum vulgare UPL Crowpoison Nothoscordum bivalve FACU Devil's-Bite Liatris scariosa FACU Common Three-Seed-Mercury Acalypha rhomboidea FACU Crystalline Iceplant Mesembryanthemum crystallinum Devil's-Darning-Needles Clematis virginiana FAC Common Timothy Phleum pratense FACU FAC Devil's-Horsewhip Achyranthes aspera UPL Common Velvet Grass Holcus lanatus FAC Cuban-Jute Sida rhombifolia UPL Devil's-Pitchfork Bidens frondosa FACW Common Water-Hyacinth Eichhornia crassipes OBL Cucumber-Leaf Sunflower Helianthus debilis UPL Devil's-Walkingstick Aralia spinosa FAC Common Winterberry Ilex verticillata FACW Cucumber-Tree Magnolia acuminata FACU Devilwood Cartrema americana FAC Common Wood-Rush Luzula multiflora FACU Cultivated Rice Oryza sativa OBL Dewey's Sedge Carex deweyana FACU Common Wormwood Artemisia vulgaris UPL Cultivated Tobacco Nicotiana tabacum UPL Dimpled Trout-Lily Erythronium umbilicatum FAC Common Yarrow Achillea millefolium FACU Culver's-Root Veronicastrum virginicum FACU Dioecious Sedge Carex sterilis OBL Common-Wireweed Sida acuta UPL Cumberland Dixie Rosemary Conradina verticillata FACW Disk Water-Hyssop Bacopa rotundifolia OBL Compact Brome Bromus madritensis UPL Cumberland Sand-Reed Calamovilfa arcuata FACW Ditch Rabbit's-Foot Grass Polypogon interruptus FACW Cone-Cup Spike-Rush Eleocharis tuberculosa OBL Cuming's Love Grass Eragrostis cumingii FACU Ditch-Stonecrop Penthorum sedoides OBL Confederate Huckleberry Gaylussacia nana FACU Cup-Plant Silphium perfoliatum FAC Dixie Grape Fern Sceptridium jenmanii FAC Coon's-Tail Ceratophyllum demersum OBL Cupseed Calycocarpum lyonii FACW Dixie Liverseed Grass Urochloa ramosa FACU Cooper's Milk-Vetch Astragalus neglectus FACU Curly Blue Grass Poa secunda FACU Dixie Stitchwort Minuartia muscorum FACU Copper Iris Iris fulva OBL Curly Dock Rumex crispus FAC Dixie Tick-Trefoil Desmodium tortuosum FACU Coppery St. John's-Wort Hypericum denticulatum FACW Curly Pondweed Potamogeton crispus OBL Dock-Leaf Smartweed Persicaria lapathifolia FACW Coral Greenbrier Smilax walteri OBL Curly-Cup Gumweed Grindelia squarrosa FACU Dog-Fennel Eupatorium capillifolium FACU Dotted Duckmeat Landoltia punctata OBL Eastern Cottonwood Populus deltoides FAC Entire-Leaf Indian-Paintbrush Castilleja indivisa FAC Dotted Smartweed Persicaria punctata OBL Eastern Daisy Fleabane Erigeron annuus FACU Entire-Leaf Rosinweed Silphium integrifolium FAC Douglas' Knotweed Polygonum douglasii UPL Eastern False Dragonhead Physostegia purpurea FACW Epling's Hedge-Nettle Stachys eplingii FAC Douglas' Meadowsweet Spiraea douglasii FAC Eastern False Rue-Anemone Enemion biternatum FACU Erect Knotweed Polygonum erectum FACU Douglas' Sedge Carex douglasii FAC Eastern Featherbells Stenanthium gramineum FACW Erect Prickly-Pear Opuntia stricta UPL Douglas-Fir Pseudotsuga menziesii FACU Eastern Fox Sedge Carex triangularis FACW Erect Spiderling Boerhavia erecta UPL Downy Birch Betula pubescens FAC Eastern Grasswort Lilaeopsis chinensis OBL Erect-Leaf Rosette Grass Dichanthelium erectifolium OBL Downy Carrion-Flower Smilax pulverulenta FACU Eastern Green-Violet Hybanthus concolor FACU Estuary Pipewort Eriocaulon parkeri OBL Downy Goldenrod Solidago puberula FACU Eastern Hemlock Tsuga canadensis FACU Eurasian Water-Milfoil Myriophyllum spicatum OBL Downy Hawthorn Crataegus mollis FACU Eastern Hop-Hornbeam Ostrya virginiana FACU Eurasian-Buttercup Ficaria verna FAC Downy Lobelia Lobelia puberula FACW Eastern Leatherwood Dirca palustris FAC European Alder Alnus glutinosa FACW Downy Milk-Pea Galactia volubilis FACU Eastern Marsh Fern Thelypteris palustris FACW European Aspen Populus tremula FACU Downy Phlox Phlox pilosa FACU Eastern Mock Grama Tripsacum dactyloides FACW European Barberry Berberis vulgaris FACU Downy Rattlesnake-Plantain Goodyera pubescens FACU Eastern Narrow-Leaf Sedge Carex amphibola FAC European Bird Cherry Prunus padus UPL Downy Service-Berry Amelanchier arborea FAC Eastern Poison Ivy Toxicodendron radicans FAC European Black Nightshade Solanum nigrum FACU Downy Willowherb Epilobium strictum OBL Eastern Poison-Oak Toxicodendron pubescens FACU European Blue Rush Juncus inflexus FACW Downy Yellow Violet Viola pubescens FACU Eastern Prickly Gooseberry Ribes cynosbati FACU European Buckthorn Rhamnus cathartica FACU Dragon's-Mouth Arethusa bulbosa OBL Eastern Purple Bladderwort Utricularia purpurea OBL European Burr-Reed Sparganium emersum OBL Drooping Sedge Carex prasina OBL Eastern Red-Cedar Juniperus virginiana FACU European Centaury Centaurium erythraea FAC Drumheads Polygala cruciata FACW Eastern Rough Sedge Carex scabrata OBL European Dewberry Rubus caesius FACU Drummond's Halfchaff Sedge Lipocarpha drummondii OBL Eastern Smooth Beardtongue Penstemon laevigatus FACU European Privet Ligustrum vulgare FACU Dry-Spike Sedge Carex siccata FACU Eastern Star Sedge Carex radiata FAC European Searocket Cakile maritima FAC Duck-Lettuce Ottelia alismoides OBL Eastern Straw Sedge Carex straminea OBL European Speedwell Veronica beccabunga OBL Duck-Potato Sagittaria latifolia OBL Eastern Swamp Pseudosaxifrage Micranthes European Water-Clover Marsilea quadrifolia OBL Dudley's Rush Juncus dudleyi FACW pensylvanica OBL European Weeping Birch Betula pendula FACU Dune False Bluestem Schizachyrium littorale FACW Eastern Swamp-Privet Forestiera acuminata OBL European Woodland Sedge Carex sylvatica FACU Dwarf Azalea Rhododendron atlanticum FAC Eastern Sweetshrub Calycanthus floridus FACU Eustis Lake Beardtongue Penstemon australis FACU Dwarf Blue-Eyed-Grass Sisyrinchium minus FACU Eastern Teaberry Gaultheria procumbens FACU Evening Rain-Lily Cooperia chlorosolen FACU Dwarf Burhead Pygmy Swordplant Eastern Wahoo Euonymus atropurpureus FACU Evening Trumpet-Flower Gelsemium sempervirens FAC Helanthium tenellum OBL Eastern White Pine Pinus strobus FACU Evergreen Bayberry Morella caroliniensis FAC Dwarf Chinkapin Oak Quercus prinoides UPL Eastern Woodland Sedge Carex blanda FAC Evergreen Quillwort Isoetes hyemalis OBL Dwarf Crab Grass Digitaria serotina FAC Eastern Yellow Star-Grass Hypoxis hirsuta FAC Evergreen Traveler's-Joy Clematis vitalba UPL Dwarf Filmy Fern Didymoglossum petersii FAC Eaton's Beggarticks Bidens eatonii FACW Evergreen Wood Fern Dryopteris intermedia FACU Dwarf Heliotrope Heliotropium supinum FACU Eaton's Ladies'-Tresses Spiranthes eatonii FACU Eyebane Euphorbia nutans FACU Dwarf Live Oak Quercus minima FAC Ebony Spleenwort Asplenium platyneuron FACU FAC Lackeya multiflora L.P. Dwarf Palmetto Sabal minor FACW Egg-Leaf Indian-Plantain Arnoglossum ovatum FAC Queiroz & G.P. Lewis Dwarf Plantain Plantago pusilla UPL Egg-Leaf Rosette Grass Dichanthelium ovale FACU Fairy Beak Sedge Rhynchospora pusilla FACW Dwarf Rattlesnake-Plantain Goodyera repens FACU Egyptian Water Crown Grass Paspalidium geminatum OBL Fairywand Chamaelirium luteum FAC Dwarf Red Raspberry Rubus pubescens FACW Eight-Flower Six-Weeks Grass Vulpia octoflora UPL Fall Panic Grass Panicum dichotomiflorum FACW Dwarf Saltwort Salicornia bigelovii OBL Elaeagnus Willow Salix elaeagnos FACW Fall Phlox Phlox paniculata FACU Dwarf Scouring-Rush Equisetum scirpoides FAC Elecampane Inula helenium FACU Fall Sneezeweed Helenium autumnale FACW Dwarf St. John's-Wort Hypericum mutilum FACW Elf Orpine Diamorpha smallii FACW Falling Dewberry Rubus apogaeus FAC Dwarf Sundew Drosera brevifolia OBL Elliot's Love Grass Eragrostis elliottii FACW False Daisy Eclipta prostrata FAC Dwarf Trillium Trillium pusillum FACW Elliott's Beak Sedge Rhynchospora elliottii FACW False Fennel Eupatorium leptophyllum FACW Dwarf Umbrella Sedge Fuirena pumila OBL Elliott's Bent Agrostis elliottiana FACU False Hair Sedge Carex bulbostylis FACW Dwarf Water-Clover Marsilea minuta OBL Elliott's Blueberry Vaccinium elliottii FACW False Hop Sedge Carex lupuliformis FACW Dwarf Witch-Alder Fothergilla gardenii FACW Elliott's Bluestem Andropogon gyrans FACU False Indian-Plantain Senecio suaveolens FACW Eared Coneflower Rudbeckia auriculata FACW Elliott's Croton Croton elliottii FACW False Indigo-Bush Amorpha fruticosa FACW Eared Redstem Ammannia auriculata OBL Elliott's Gentian Gentiana catesbaei OBL False Lily-of-the-Valley Maianthemum canadense FAC Ear-Leaf Greenbrier Smilax auriculata FACU Elliott's Goldenrod Solidago latissimifolia OBL False Maiden Fern Macrothelypteris torresiana FAC Early Azalea Rhododendron prinophyllum FAC Elliott's Rush Juncus elliottii FACW False Mayweed Tripleurospermum maritimum UPL Early Blue Violet Viola subsinuata FACU Elliott's Sedge Carex elliottii OBL False Melic Grass Schizachne purpurascens FACU Early Buttercup Ranunculus fascicularis FACU Elliott's Yellow-Eyed-Grass Xyris elliottii OBL False Mermaidweed Floerkea proserpinacoides FAC Early Crown Grass Paspalum praecox FACW Elliptic Spike-Rush Eleocharis elliptica FACW False Sea-Onion Ornithogalum caudatum FACU Early Meadow-Rue Thalictrum dioicum FAC Eltrot Heracleum sphondylium UPL Farewell-Summer Symphyotrichum lateriflorum FACW Early Pseudosaxifrage Micranthes virginiensis FAC Emory's Sedge Carex emoryi OBL Farwell's Water-Milfoil Myriophyllum farwellii OBL Early St. John's-Wort Hypericum nudiflorum FACW Emperor's-Candlesticks Senna alata FACU Fascicled Beak Sedge Rhynchospora fascicularis OBL Early White-Top Fleabane Erigeron vernus OBL Enchanting Violet-Lily Calydorea coelestina FACW Feather Love Grass Eragrostis amabilis FACU Early-Leaf Brome Bromus latiglumis FACW Engelmann's Arrowhead Sagittaria engelmanniana OBL Feather Windmill Grass Chloris virgata FACU Eastern Arborvitae Thuja occidentalis FACW Engelmann's Quillwort Isoetes engelmannii OBL Feather-Bristle Beak Sedge Rhynchospora oligantha OBL Eastern Black Nightshade Solanum ptychanthum FACU Engelmann's Spike-Rush Eleocharis engelmannii FACW Feather-Stem Club-Moss Lycopodiella prostrata OBL Eastern Blue-Eyed-Grass Sisyrinchium atlanticum FACW English Hawthorn Crataegus monogyna FACU Feathery Bamboo Bambusa vulgaris FACU Eastern Bluestar Amsonia tabernaemontana FAC English Ivy Hedera helix FACU Feathery False Solomon's-Seal Maianthemum racemosum FACU Eastern Bottle-Brush Grass Elymus hystrix UPL English Plantain Plantago lanceolata UPL Fen Grass-of-Parnassus Parnassia glauca OBL Fern Flat Sedge Cyperus filicinus OBL Florida-Hobblebush Agarista populifolia OBL Garden Puff Neptunia oleracea FACW Fern Pondweed Potamogeton robbinsii OBL Flowering Dogwood Cornus florida FACU Garden Smartweed Persicaria wallichii FAC Fescue Sedge Carex festucacea FAC Flowering Pixie-Moss Pyxidanthera barbulata FACU Garden Sorrel Rumex acetosa FACU Fevertree Pinckneya bracteata FACW Flypoison Amianthium muscitoxicum FAC Garden Vetch Vicia sativa FACU Few-Flower Beak Sedge Rhynchospora rariflora OBL Fold-Ear Lobelia Lobelia flaccidifolia OBL Garden Yellow-Loosestrife Lysimachia vulgaris FAC Few-Flower Milkweed Asclepias lanceolata OBL Fool's-Watercress Helosciadium nodiflorum OBL Garden Yellow-Rocket Barbarea vulgaris FACU Few-Flower Nut-Rush Scleria pauciflora FACU Forest Blue Grass Poa nemoralis FAC Garden-Balsam Impatiens balsamina UPL Few-Flower Sedge Carex pauciflora OBL Foreward-Barb Bristle Grass Setaria verticilliformis FAC Garden-Nasturtium Tropaeolum majus UPL Few-Flower Spike-Rush Eleocharis quinqueflora OBL Forked Bluecurls Trichostema dichotomum UPL Garlic-Mustard Alliaria petiolata FACU Few-Leaf Sunflower Helianthus occidentalis UPL Forked Fimbry Fimbristylis dichotoma OBL Gattinger's Lobelia Lobelia gattingeri FAC Few-Nerve Cotton-Grass Eriophorum tenellum OBL Forked Rush Juncus dichotomus FACW Gattinger's Panic Grass Panicum gattingeri FAC Few-Seed Sedge Carex oligosperma OBL Four-Angle Flat Sedge Cyperus tetragonus FAC Gaywings Polygaloides paucifolia FACU Fiddle Dock Rumex pulcher FACW Four-Angle Rose-Gentian Sabatia quadrangula FAC Georgia Bulrush Scirpus georgianus OBL Field Blackberry Rubus arvensis FAC Four-Flower Yellow-Loosestrife Lysimachia quadriflora FACW Georgia Holly Ilex longipes FAC Field Brome Bromus arvensis FACU Four-Spike Heliotrope Heliotropium procumbens FACW Georgia Indigo-Bush Amorpha georgiana FACW Field Crown Grass Paspalum laeve FAC Fowl Blue Grass Poa palustris FACW Germander Speedwell Veronica chamaedrys UPL Field Eryngo Eryngium campestre FAC Fowl Manna Grass Glyceria striata OBL German-Madwort Asperugo procumbens UPL Field Horsetail Equisetum arvense FAC Fox Grape Vitis labrusca FACU Giant Bristle Grass Setaria magna FACW Field Meadow-Foxtail Alopecurus pratensis FACW Foxglove Beardtongue Penstemon digitalis FAC Giant Cane Arundinaria gigantea FACW Field Mouse-Ear Chickweed Cerastium arvense UPL Fox-Tail Barley Hordeum jubatum FAC Giant Helleborine Epipactis gigantea OBL Field Pansy Viola bicolor FACU Fox-Tail Club-Moss Lycopodiella alopecuroides FACW Giant Hogweed Heracleum mantegazzianum FAC Field Pennycress Thlaspi arvense UPL Fox-Tail Prairie-Clover Dalea leporina UPL Giant Ironweed Vernonia gigantea FAC Field Pussytoes Antennaria neglecta UPL Fox-Tail Prickle Grass Crypsis alopecuroides FACW Giant Plume Grass Saccharum giganteum FACW Field Sow-Thistle Sonchus arvensis FACU Fox-Tail Sedge Carex alopecoidea FACW Giant Sedge Carex gigantea OBL Field Thistle Cirsium discolor UPL Fragile Rockbrake Cryptogramma stelleri FACU Giant Sunflower Helianthus giganteus FACW Fine-Leaf Water-Dropwort Oenanthe aquatica OBL Fragile-Stem American-Aster Symphyotrichum racemosum FACW Giant Taro Alocasia macrorrhizos FACW Finger-Dogshade Cynosciadium digitatum FACW Fragrant Beak Sedge Rhynchospora odorata OBL Giant Thorny Bamboo Bambusa bambos FACU Fire Cherry Prunus pensylvanica FACU Fragrant Bedstraw Galium triflorum FACU Giant-Chickweed Myosoton aquaticum FACW Fire-on-the-Mountain Euphorbia cyathophora UPL Fragrant Popcorn-Flower Plagiobothrys figuratus OBL Giant-Knotweed Reynoutria sachalinensis UPL Firewheel Gaillardia pulchella UPL Fragrant Spike Sedge Kyllinga odorata FACW Giant-Reed Arundo donax FACU Five-Horn Smotherweed Bassia hyssopifolia FACU Fragrant Sumac Rhus aromatica UPL Giant-Spiral Ladies'-Tresses Spiranthes longilabris OBL Five-Leaf Chastetree Vitex negundo UPL Frank's Sedge Carex frankii OBL Glade Fern Diplazium pycnocarpon FAC Five-Lobe-Cucumber Cayaponia quinqueloba FAC Fraser's Fir Abies fraseri FACU Glade Lobelia Lobelia glandulosa OBL Five-Stamen Tamarisk Tamarix chinensis FACW Fraser's Magnolia Magnolia fraseri FACU Glade Morning-Glory Ipomoea sagittata FACW Flameflower Macranthera flammea OBL Fraser's Sedge Cymophyllus fraserianus FAC Glade-Mallow Napaea dioica FACW Flat-Leaf Bladderwort Utricularia intermedia OBL Fraser's St. John's-Wort Hypericum fraseri OBL Glades Spike-Rush Eleocharis bifida FACW Flat-Stalk Pondweed Potamogeton friesii OBL Fraser's Yellow-Loosestrife Lysimachia fraseri FAC Glenwood Grass Sacciolepis indica FACW Flat-Stem Blue Grass Poa compressa FACU Fremont's Goosefoot Chenopodium fremontii FACU Globe Beak Sedge Rhynchospora globularis FACW Flat-Stem Pondweed Potamogeton zosteriformis OBL French Tamarisk Tamarix gallica FAC Globe Flat Sedge Cyperus echinatus FACU Flat-Stem Spike-Rush Eleocharis compressa OBL Freshwater Cord Grass Spartina pectinata OBL Globe-Fruit Primrose-Willow Ludwigia sphaerocarpa OBL Flattened Pipewort Eriocaulon compressum OBL Fringed Beak Sedge Rhynchospora ciliaris OBL Globe-Pod Pepperwort Lepidium appelianum FAC Flattened Wild Oat Grass Danthonia compressa FACU Fringed Brome Bromus ciliatus FACW Glossy False Buckthorn Frangula alnus FAC Flat-Top Goldentop Euthamia graminifolia FAC Fringed Greenbrier Smilax bona-nox FACU Glossy-Seed Yellow Star-Grass Hypoxis Flat-Top Mille-Graines Oldenlandia corymbosa FAC Fringed Meadow-Beauty Rhexia petiolata OBL sessilis FACU Flax-Leaf False Foxglove Agalinis linifolia FACW Fringed Nut-Rush Scleria ciliata FAC Goat Willow Salix caprea OBL Floating Burr-Reed Sparganium fluctuans OBL Fringed Sedge Carex crinita OBL Godfrey's Stitchwort Minuartia godfreyi FACW Floating Manna Grass Glyceria septentrionalis OBL Fringed Twinevine Funastrum cynanchoides FACU Golden Alexanders Zizia aurea FAC Floating Marsh-Pennywort Hydrocotyle ranunculoides OBL Fringed Willowherb Epilobium ciliatum FAC Golden Colicroot Aletris aurea FACW Floating Primrose-Willow Ludwigia peploides OBL Fringed Yellow Star-Grass Hypoxis juncea FACW Golden Crown Grass Paspalum dilatatum FAC Floating Water-Moss Salvinia natans OBL Fringed Yellow-Eyed-Grass Xyris fimbriata OBL Golden Crownbeard Verbesina encelioides FACU Flodman's Thistle Cirsium flodmanii FAC Fringed Yellow-Loosestrife Lysimachia ciliata FACW Golden Currant Ribes aureum FACW Florida Anisetree Illicium floridanum FACW Fringe-Leaf Tickseed Coreopsis integrifolia FACU Golden Dock Rumex maritimus FAC Florida Bluehearts Buchnera floridana FACU Fringe-Leaf Wild Petunia Ruellia humilis FACU Golden Gladecress Leavenworthia aurea FACU Florida Crown Grass Paspalum floridanum FACW Frost Grape Vitis vulpina FAC Golden Groundsel Packera aurea FACW Florida Dock Rumex floridanus FACW Frosted Pearls Succisella inflexa FACW Golden Hedge-Hyssop Gratiola aurea OBL Florida Dropseed Sporobolus floridanus FAC Fuller's Teasel Dipsacus fullonum FACU Golden Tickseed Coreopsis tinctoria FAC Florida Hedge-Hyssop Gratiola floridana OBL Fuzzy Flat Sedge Cyperus pilosus FACW Goldenclub Orontium aquaticum OBL Florida Hedge-Nettle Stachys floridana FAC Galingale Cyperus fuscus FAC Golden-Eye Pseudosaxifrage Micranthes careyana FAC Florida Ladies'-Tresses Spiranthes floridana FAC Gallant-Soldier Galinsoga parviflora UPL Golden-Fruit Sedge Carex aurea FACW Florida Pellitory Parietaria floridana FAC Gaping Grass Steinchisma hians FACW Golden-Hardhack Dasiphora fruticosa FACW Florida Sunflower Helianthus floridanus FACW Garden Bird's-Foot-Trefoil Lotus corniculatus FACU Goldie's Wood Fern Dryopteris goldiana FAC Florida Thoroughwort Eupatorium anomalum FACU Garden Cornflower Centaurea cyanus FACU Gold-of-Pleasure Camelina sativa UPL Florida Yellow Bladderwort Utricularia floridana OBL Garden Cosmos Cosmos bipinnatus FACU Goose-Foot Cornsalad Valerianella chenopodiifolia FAC Florida Yellow Flax Linum floridanum FAC Garden Orache Atriplex hortensis FAC Goosetongue Plantago maritima FACW Gopher-Tail Love Grass Eragrostis ciliaris FACU Green Pitcherplant Sarracenia oreophila OBL Hairy-Twig Huckleberry Gaylussacia tomentosa FACU Graceful Sandmat Euphorbia hypericifolia UPL Green Woodland Orchid Platanthera clavellata FACW Halberd-Leaf Orache Atriplex patula FACW Graceful Sedge Carex gracillima FACU Greendragon Arisaema dracontium FACW Halberd-Leaf Rose-Mallow Hibiscus laevis OBL Grand Redstem Ammannia robusta OBL Greene's Rush Juncus greenei FAC Halberd-Leaf Tearthumb Persicaria arifolia OBL Granite Flat Sedge Cyperus granitophilus FACW Green-Flower Wintergreen Pyrola chlorantha UPL Halberd-Leaf Yellow Violet Viola hastata UPL Granite Stonecrop Sedum pusillum FAC Green-Head Coneflower Rudbeckia laciniata FACW Hale's Pentodon Pentodon pentandrus OBL Grassland Sedge Carex divulsa FAC Green's Hawkweed Hieracium greenii FACU Hall's Club-Rush Schoenoplectus hallii OBL Grass-Leaf Arrowhead Sagittaria graminea OBL Green-Vein Ladies'-Tresses Spiranthes praecox OBL Hall's Panic Grass Panicum hallii FACU Grass-Leaf Barbara's-Buttons Marshallia graminifolia OBL Green-White Sedge Carex albolutescens FACW Hammock Sedge Carex fissa FACW Grass-Leaf Lettuce Lactuca graminifolia UPL Gritty Hedge-Nettle Stachys aspera FACW Hammock Snakeroot Ageratina jucunda FACU Grass-Leaf Mud-Plantain Heteranthera dubia OBL Groove-Stem Indian-Plantain Arnoglossum plantagineum FACW Handsome Sedge Carex formosa FAC Grass-Leaf Speedwell Veronica scutellata OBL Groundivy Glechoma hederacea FACU Handsome-Harry Rhexia virginica OBL Grass-Leaf Starwort Stellaria graminea FACU Groundnut Apios americana FACW Hard Fescue Festuca trachyphylla UPL Grass-Like Fimbry Fimbristylis littoralis OBL Groundseltree Baccharis halimifolia FACW Harding Grass Phalaris aquatica FACU Grassy Pondweed Potamogeton gramineus OBL Grove Blue Grass Poa alsodes FACW Hard-Leaf Flat-Top-Goldenrod Solidago rigida UPL Gray Birch Betula populifolia FAC Guadalupe Waternymph Najas guadalupensis OBL Hard-Stem Club-Rush Schoenoplectus acutus OBL Gray Dogwood Cornus racemosa FAC Guadeloupe-Cucumber Melothria pendula FAC Harlequin Blueflag Iris versicolor OBL Gray Willow Salix bebbiana FACW Guinea Grass Megathyrsus maximus FAC Harper's Beak Sedge Rhynchospora harperi OBL Gray-Bark Grape Vitis cinerea FACW Gulf Coast Lateral-Bulrush Isolepis pseudosetacea OBL Harper's Fimbry Fimbristylis perpusilla OBL Gray's Beak Sedge Rhynchospora grayi FAC Gulf Cock's-Spur Grass Echinochloa crus-pavonis FACW Harper's Heartleaf Hexastylis speciosa FACW Gray's Lily Lilium grayi FACU Gulf Pipewort Eriocaulon koernickianum OBL Harper's Yellow-Eyed-Grass Xyris scabrifolia OBL Gray's Sedge Carex grayi FACW Gulf River Harperella Harperella fluviatilis OBL Harsh Popcorn-Flower Plagiobothrys hispidulus FACW Great Blue Lobelia Lobelia siphilitica FACW Gulf Sebastian-Bush Ditrysinia fruticosa FACW Harvestbells Gentiana saponaria FACW Great Coneflower Rudbeckia maxima FAC Gulf Skullcap Scutellaria cardiophylla FAC Harvestlice Agrimonia parviflora FACW Great Mullein Verbascum thapsus FACU Gum Bully Sideroxylon lanuginosum FACU Harvey's Beak Sedge Rhynchospora harveyi FAC Great Plains False Willow Baccharis salicina FAC Guyandotte-Beauty Synandra hispidula FAC Harvey's Buttercup Ranunculus harveyi FACU Great Plains Flat Sedge Cyperus lupulinus UPL Gypsy-Flower Cynoglossum officinale UPL Hastate Orache Atriplex prostrata FACW Great Plains Groundsel Packera tampicana FACW Gypsywort Lycopus europaeus OBL Hay-Scented Fern Dennstaedtia punctilobula FACU Great Plains Ladies'-Tresses Spiranthes magnicamporum FACU Hair-Awn Muhly Muhlenbergia capillaris FACU Heart-Leaf Alexanders Zizia aptera FAC Great Plantain Plantago major FACU Hairy Beakgrain Diarrhena obovata FACU Heart-Leaf Foamflower Tiarella cordifolia FAC Great Ragweed Ambrosia trifida FAC Hairy Beggarticks Bidens pilosa FACW Heart-Leaf Four-O'clock Mirabilis nyctaginea FACU Great Smoky Mountain Manna Grass Glyceria Hairy Bittercress Cardamine hirsuta FACU Heart-Leaf Hedge-Nettle Stachys cordata FAC nubigena OBL Hairy Buttercup Ranunculus sardous FAC Heart-Leaf Nettle Urtica chamaedryoides FACU Great St. John's-Wort Hypericum ascyron FAC Hairy Cat's-Ear Hypochaeris radicata UPL Heart-Leaf Paper Birch Betula cordifolia FACU Great Valley Gumweed Grindelia camporum FACU Hairy Chaffhead Carphephorus paniculatus FACW Heart-Leaf Peppervine Ampelopsis cordata FAC Greater Bladder Sedge Carex intumescens FACW Hairy Clustervine Jacquemontia tamnifolia FACU Heart-Leaf Plantain Plantago cordata OBL Greater Bladderwort Utricularia macrorhiza OBL Hairy Corkwood Leitneria pilosa FACW Heart-Leaf Skullcap Scutellaria ovata FACU Greater Canadian St. John's-Wort Hypericum Hairy Cornsalad Valerianella amarella FACU Heart-Leaf Twayblade Neottia cordata FACW majus FACW Hairy Crab Grass Digitaria sanguinalis FACU Heart-Wing Sorrel Rumex hastatulus FACU Greater Celandine Chelidonium majus UPL Hairy Crabweed Fatoua villosa FAC Heather Calluna vulgaris FAC Greater Creeping Spearwort Ranunculus flammula FACW Hairy Eared Rockcress Arabis pycnocarpa FACU Heavy Sedge Carex gravida FACW Greater Flowering-Rush Butomus umbellatus OBL Hairy Evening-Primrose Oenothera villosa FAC Hedge False Bindweed Calystegia sepium FAC Greater Four-Point Evening-Primrose Oenothera Hairy Fimbry Fimbristylis puberula OBL Hedgeflower Lantana camara FACU rhombipetala FACU Hairy Hedge-Nettle Stachys pilosa FACW Hedgehog Wood-Rush Luzula echinata FACU Greater Fringed-Gentian Gentianopsis crinita OBL Hairy Honeysuckle Lonicera hirsuta FAC Helleborine Epipactis helleborine UPL Greater Purple Fringed Orchid Platanthera grandiflora FACW Hairy Pagoda-Plant Blephilia hirsuta FACU Heller's Rosette Grass Dichanthelium oligosanthes FACU Greater Round-Leaf Orchid Platanthera macrophylla FACW Hairy Primrose-Willow Ludwigia pilosa OBL Helmet-Flower Scutellaria integrifolia FACW Greater St. John's-Wort Hypericum walteri OBL Hairy Shadow-Witch Ponthieva racemosa OBL Hemlock Rosette Grass Dichanthelium portoricense FACU Greater Straw Sedge Carex normalis FACW Hairy Smartweed Persicaria hirsuta OBL Hemlock Water-Parsnip Sium suave OBL Greater Water Dock Rumex britannica OBL Hairy Smotherweed Bassia hirsuta OBL Herbaceous Seepweed Suaeda maritima OBL Greater Water-Starwort Callitriche heterophylla OBL Hairy Solomon's-Seal Polygonatum pubescens FACU Herb-of-Grace Bacopa monnieri OBL Greater Yellow Water Buttercup Hairy St. John's-Wort Hypericum setosum OBL Herb-of-the-Cross Verbena officinalis FACU Ranunculus flabellaris OBL Hairy Sweet-Cicely Osmorhiza claytonii FACU Herbwilliam Ptilimnium capillaceum OBL Great-Laurel Rhododendron maximum FAC Hairy Umbrella Sedge Fuirena squarrosa OBL Hercules'-Club Zanthoxylum clava-herculis FAC Greek-Valerian Polemonium reptans FACU Hairy Water-Clover Marsilea vestita OBL Hidden Spike-Moss Selaginella eclipes FACW Green Adder's-Mouth Orchid Malaxis unifolia FAC Hairy Wild Rye Elymus villosus FACU Hidden-Fruit Bladderwort Utricularia geminiscapa OBL Green Arrow-Arum Peltandra virginica OBL Hairy Woodland Brome Bromus pubescens FACU Highbush Blueberry Vaccinium corymbosum FACW Green Ash Fraxinus pennsylvanica FACW Hairy Wood-Rush Luzula acuminata FAC Highbush-Cranberry Viburnum opulus FACW Green Carpetweed Mollugo verticillata FAC Hairy-Fruit Chervil Chaerophyllum tainturieri FAC Highland Doghobble Leucothoe fontanesiana FACW Green Five-Leaf Orchid Isotria medeoloides FACU Hairy-Fruit Sedge Carex trichocarpa OBL Highland Rush Juncus trifidus FACU Green Flat Sedge Cyperus virens FACW Hairy-Joint Meadow-Parsnip Thaspium barbinode FACU Hill's Pondweed Potamogeton hillii OBL Green Fringed Orchid Platanthera lacera FACW Hairy-Leaf Dewberry Rubus plus FACU Himalayan Blackberry Rubus armeniacus UPL Green Hawthorn Crataegus viridis FACW Hairy-Seed Crown Grass Paspalum pubiflorum FAC Hirsute Sedge Carex complanata FACU Green Muhly Muhlenbergia racemosa FAC Hairy-Stem Gooseberry Ribes hirtellum FAC Hoary Bowlesia Bowlesia incana FAC Hoary Sedge Carex canescens OBL Ivy-Leaf Morning-Glory Ipomoea hederacea FACU Laceflower Ptilimnium nuttallii FACW Hobblebush Viburnum lantanoides FACU Jack Pine Pinus banksiana FACU Lace-Lip Ladies'-Tresses Spiranthes laciniata OBL Holly-Leaf Oregon-Grape Mahonia aquifolium UPL Jack-in-the-Pulpit Arisaema triphyllum FACW Ladder Brake Pteris vittata FAC Holly-Leaf Waternymph Najas marina OBL Jamaican Crab Grass Digitaria horizontalis FACU Lake Huron Green Orchid Platanthera huronensis OBL Honey Mesquite Prosopis glandulosa UPL Jamaican Feverplant Tribulus cistoides UPL Lakebank Sedge Carex lacustris OBL Honeycup Zenobia pulverulenta FACW Jamaican-Forget-Me-Not Browallia americana FACU Lakecress Rorippa aquatica OBL Honey-Locust Gleditsia triacanthos FAC Jamaican-Weed Nama jamaicense FACW Lamarck's Bedstraw Galium divaricatum FAC Honeyvine Cynanchum laeve FAC Japanese Barberry Berberis thunbergii FACU Lamb's-Quarters Chenopodium album FACU Hooded Arrowhead Sagittaria calycina OBL Japanese Bristle Grass Setaria faberi UPL Lamp Rush Juncus effusus FACW Hooded Blue Violet Viola sororia FAC Japanese Climbing Fern Lygodium japonicum FAC Lance-Leaf Buckthorn Rhamnus lanceolata FAC Hooded Ladies'-Tresses Spiranthes romanzoffiana OBL Japanese Honeysuckle Lonicera japonica FACU Lance-Leaf Figwort Scrophularia lanceolata FACU Hooded Pitcherplant Sarracenia minor OBL Japanese Hop Humulus japonicus FACU Lance-Leaf Greenbrier Smilax smallii FACU Hooded Skullcap Scutellaria galericulata OBL Japanese Love Grass Eragrostis japonica OBL Lance-Leaf Moonwort Botrychium lanceolatum FACW Hooker's Eryngo Eryngium hookeri FACW Japanese Mazus Mazus pumilus FACU Lance-Leaf Rose-Gentian Sabatia difformis OBL Hooker's Evening-Primrose Oenothera elata FACU Japanese Meadowsweet Spiraea japonica FACU Lance-Leaf Tickseed Coreopsis lanceolata FACU Hooker's Milkwort Polygala hookeri FACW Japanese Panic Grass Panicum bisulcatum FACW Lance-Leaf Twistedstalk Streptopus lanceolatus FAC Hooker's Orchid Platanthera hookeri FAC Japanese Privet Ligustrum japonicum UPL Lance-Leaf Yellow-Loosestrife Lysimachia lanceolata FAC Hop Sedge Carex lupulina OBL Japanese Stilt Grass Microstegium vimineum FAC Langlois' Violet Viola langloisii FACW Horned Bladderwort Utricularia cornuta OBL Japanese Water Grass Echinochloa esculenta FACU Large Barnyard Grass Echinochloa crus-galli FAC Horned-Pondweed Zannichellia palustris OBL Japanese-Clover Kummerowia striata FACU Large Beak Sedge Rhynchospora macra OBL Horn-Leaf Riverweed Podostemum ceratophyllum OBL Japanese-Knotweed Reynoutria japonica FACU Large Cranberry Vaccinium macrocarpon OBL Horsebrier Smilax rotundifolia FAC Japanese-Millet Echinochloa frumentacea UPL Large Gallberry Ilex coriacea FACW Horsesugar Symplocos tinctoria FAC Javelin-Grass Juncus pallidus OBL Large Gray Willow Salix cinerea FACW Horse-Tail Crown Grass Paspalum repens OBL Jersey Rabbit-Tobacco Pseudognaphalium luteoalbum FAC Large Sweet Vernal Grass Anthoxanthum odoratum FACU Horsetail-Spike-Rush Eleocharis equisetoides OBL Jerusalem-Artichoke Helianthus tuberosus FACU Large Yellow-Loosestrife Lysimachia punctata OBL Humped Bladderwort Utricularia gibba OBL Jerusalem-Oak Dysphania botrys UPL Large-Flower Heartleaf Hexastylis shuttleworthii FACU Hungerweed Ranunculus arvensis FAC Jesuit's-Bark Iva frutescens FACW Large-Flower Primrose-Willow Ludwigia grandiflora OBL Husk-Tomato Physalis pubescens FACU Jio Commelina benghalensis FACU Large-Flower Valerian Valeriana pauciflora FACW Hyssop Loosestrife Lythrum hyssopifolium OBL Job's-Tears Coix lacryma-jobi FACW Large-Leaf Grass-of-Parnassus Parnassia grandifolia OBL Hyssop-Leaf Hedge-Nettle Stachys hyssopifolia FACW Johnson Grass Sorghum halepense FACU Large-Leaf Pondweed Potamogeton amplifolius OBL Hyssop-Leaf Sandmat Euphorbia hyssopifolia FAC Jointed Crown Grass Paspalum distichum FACW Large-Leaf Rose-Gentian Sabatia macrophylla FACW Illinois Pondweed Potamogeton illinoensis OBL Jointed Flat Sedge Cyperus articulatus OBL Large-Leaf Wood-Aster Eurybia macrophylla UPL Inchplant Tradescantia zebrina UPL Joint-Leaf Rush Juncus articulatus OBL Large-Seed Forget-Me-Not Myosotis macrosperma FAC Indian Crown Grass Paspalum scrobiculatum FACW Joseph's-Coat Amaranthus tricolor UPL Large-Seed Goosefoot Chenopodium macrospermum FACW Indian Cucumber-Root Medeola virginiana FAC Juda's-Bush Iresine rhizomatosa FACW Late Goldenrod Solidago gigantea FACW Indian Goose Grass Eleusine indica FACU Jumpseed Persicaria virginiana FAC Late Lowbush Blueberry Vaccinium angustifolium FACU Indian Heliotrope Heliotropium indicum FAC Jungle-Rice Echinochloa colona FACW Late-Flowering Thoroughwort Eupatorium serotinum FAC Indian Joint-Vetch Aeschynomene indica FACW Juniper-Leaf Polypremum procumbens UPL Laurel Oak Quercus laurifolia FACW Indian Love Grass Eragrostis pilosa FACU Justiceweed Eupatorium leucolepis FACW Laurel-Leaf Greenbrier Smilax laurifolia OBL Indian Sweet-Clover Melilotus indicus FACU Kalm's Brome Bromus kalmii FACU Lavender Bladderwort Utricularia resupinata OBL Indian Toothcup Rotala indica OBL Kansas Arrowhead Sagittaria ambigua OBL Lawn American-Aster Symphyotrichum divaricatum OBL Indian Wild Rice Zizania aquatica OBL Kariba-Weed Salvinia molesta OBL Lawn Burrweed Soliva sessilis FACU Indian Wood-Oats Chasmanthium latifolium FACU Keeled Lateral-Bulrush Isolepis carinata FACW Lawn Marsh-Pennywort Hydrocotyle sibthorpioides FACW Indian-Hemp Apocynum cannabinum FACU Kentucky Blue Grass Poa pratensis FACU Lax Hornpod Mitreola petiolata FACW Indian-Shot Canna indica FACW Kentucky Rush Juncus anthelatus FACW Lax-Leaf Yellow-Eyed-Grass Xyris laxifolia OBL Indian-Strawberry Potentilla indica FACU Kidney-Leaf Buttercup Ranunculus abortivus FACW Le Conte's Flat Sedge Cyperus lecontei FACW Indian-Tobacco Lobelia inflata FACU Kidney-Leaf Grass-of-Parnassus Parnassia Le Conte's Thistle Cirsium lecontei FACW Inflated Narrow-Leaf Sedge Carex grisea FACU asarifolia OBL Leafy Bladderwort Utricularia foliosa OBL Inflated-Scale Flat Sedge Cyperus aggregatus FAC Kidney-Leaf Mud-Plantain Heteranthera reniformis OBL Leafy Bulrush Scirpus polyphyllus OBL Inkberry Ilex glabra FAC Kidney-Leaf Twayblade Neottia smallii FACW Leafy Pondweed Potamogeton foliosus OBL Inland Rush Juncus interior FACU Kidney-Leaf White Violet Viola renifolia FACW Leafy Tussock Sedge Carex aquatilis OBL Inland Sedge Carex interior OBL Kidney-Shape Sedge Carex reniformis FACW Leafy-Bract Dwarf Rush Juncus capitatus FACU Innocent-Weed Cenchrus longispinus UPL King Solomon's-Seal Polygonatum biflorum FACU Lean Flat Sedge Cyperus setigerus FAC Intermediate Mermaidweed Proserpinaca intermedia OBL King-of-the-Meadow Thalictrum pubescens FACW Least Adder's-Tongue Ophioglossum nudicaule FAC Intermediate Service-Berry Amelanchier intermedia FACW King's-Crown Rhodiola rosea FACU Least Duckweed Lemna minuta OBL Intermediate Spike-Rush Eleocharis intermedia FACW King's-Cureall Oenothera biennis FACU Least Moonwort Botrychium simplex FACU Interrupted Club-Moss Spinulum annotinum FAC Kiss-Me-Over-the-Garden-Gate Persicaria orientalis FACU Leatherleaf Chamaedaphne calyculata OBL Interrupted Fern Osmunda claytoniana FAC Kiss-Me-Quick Portulaca pilosa FACU Leathery Grape Fern Sceptridium multifidum FACU Island American-Aster Symphyotrichum bahamense OBL Knotted Rush Juncus nodosus OBL Leathery Knotweed Polygonum achoreum FACU Italian Bristle Grass Setaria italica FACU Knotty-Leaf Rush Juncus acuminatus OBL Leathery Rush Juncus coriaceus FACW Italian-Spinach Amaranthus graecizans FACU Korean-Clover Kummerowia stipulacea FACU Leavenworth's Goldenrod Solidago leavenworthii FAC Itch Grass Rottboellia cochinchinensis FACU Krauss' Spike-Moss Selaginella kraussiana FACW Leiberg's Rosette Grass Dichanthelium leibergii FACU Ivy Water-Crowfoot Ranunculus hederaceus OBL Kudzu Pueraria montana UPL Lemonbalm Melissa officinalis UPL Ivy-Leaf Duckweed Lemna trisulca OBL Kunth's Maiden Fern Thelypteris kunthii FACW Lesser Bladder Sedge Carex vesicaria OBL Lesser Bladderwort Utricularia minor OBL Long-Beak Water-Crowfoot Ranunculus longirostris OBL Man-To-Man Peperomia pellucida UPL Lesser Burrdock Arctium minus FACU Long-Bract Frog Orchid Coeloglossum viride FACU Many-Flower Blackberry Rubus floricomus FAC Lesser Canadian St. John's-Wort Hypericum Long-Bract Sedge Carex extensa OBL Many-Flower Flat Sedge Cyperus lancastriensis FAC canadense FACW Long-Bract Spiderwort Tradescantia bracteata UPL Many-Flower Marsh-Pennywort Hydrocotyle umbellata OBL Lesser Clearweed Pilea fontana FACW Long-Horn False Rein Orchid Habenaria quinqueseta FACW Many-Flower Stickseed Hackelia floribunda FACU Lesser Creeping Rush Juncus repens OBL Long-Leaf Basket Grass Oplismenus hirtellus FACU Many-Fruit Primrose-Willow Ludwigia polycarpa OBL Lesser Duckweed Lemna aequinoctialis OBL Long-Leaf Cut-Throat Grass Coleataenia longifolia FACU Many-Head Rush Juncus polycephalos OBL Lesser Fringed-Gentian Gentianopsis virgata FACW Long-Leaf Lobelia Lobelia elongata OBL Many-Spike Flat Sedge Cyperus polystachyos FACW Lesser Hawkbit Leontodon saxatilis FACU Long-Leaf Milkweed Asclepias longifolia FAC Maple-Leaf Arrow-Wood Viburnum acerifolium UPL Lesser Herbrobert Geranium robertianum FACU Long-Leaf Pine Pinus palustris FAC Marginal Wood Fern Dryopteris marginalis FACU Lesser Poverty Rush Juncus tenuis FAC Long-Leaf Pondweed Potamogeton nodosus OBL Marsh American-Aster Symphyotrichum elliottii OBL Lesser Purple Fringed Orchid Platanthera psycodes FACW Long-Leaf Starwort Stellaria longifolia FACW Marsh Arrow-Grass Triglochin palustris OBL Lesser Quaking Grass Briza minor FACW Long-Leaf Sunflower Helianthus longifolius FAC Marsh Bellflower Campanula aparinoides OBL Lesser Round-Leaf Orchid Platanthera orbiculata FAC Long-Leaf Wedgescale Sphenopholis filiformis UPL Marsh Blue Violet Viola cucullata FACW Lesser St. John's-Wort Hypericum tubulosum OBL Long-Leaf Wood-Oats Chasmanthium sessiliflorum FAC Marsh Bristle Grass Setaria parviflora FAC Lesser Tussock Sedge Carex diandra OBL Long's Bittercress Cardamine longii OBL Marsh Cudweed Gnaphalium uliginosum FAC Lettuce-Leaf Pseudosaxifrage Micranthes micranthidifolia OBL Long's Blackberry Rubus longii FAC Marsh Fimbry Fimbristylis castanea OBL Lickstoop Dentella repens FACW Long's Bulrush Scirpus longii OBL Marsh Flat Sedge Cyperus pseudovegetus FACW Licorice Bedstraw Galium circaezans UPL Long's Jacob's-Ladder Polemonium longii FACU Marsh Ladies'-Tresses Spiranthes odorata OBL Lilac Tassel-Flower Emilia sonchifolia UPL Long's Rush Juncus longii OBL Marsh Meadow-Foxtail Alopecurus geniculatus OBL Limber Honeysuckle Lonicera dioica FACU Long's Sedge Carex longii OBL Marsh Mermaidweed Proserpinaca palustris OBL Limestone Adder's-Tongue Ophioglossum engelmannii FACU Long-Sepal Beardtongue Penstemon calycosus UPL Marsh Panic Grass Panicum paludosum OBL Limestone Bittercress Cardamine douglassii FACW Long-Spike Fluff Grass Tridens strictus FACW Marsh Primrose-Willow Ludwigia palustris OBL Limestone Quillwort Isoetes butleri FACW Long-Spur Violet Viola rostrata FACU Marsh Rose-Gentian Sabatia dodecandra OBL Limestone Spike-Rush Eleocharis occulta FACW Long-Stalk Holly Ilex collina FACW Marsh Straw Sedge Carex hormathodes OBL Limestone Wild Basil Clinopodium arkansanum FACU Long-Stalk Sedge Carex pedunculata OBL Marsh Vetchling Lathyrus palustris FACW Limestone Wild Petunia Ruellia strepens FAC Long-Stem Adder's-Tongue Ophioglossum petiolatum FAC Marsh Willowherb Epilobium palustre OBL Limestone-Forest Sedge Carex superata FAC Long-Stem Milkwort Polygala longicaulis FAC Marshland Blackberry Rubus inclinis FACW Limestone-Meadow Sedge Carex granularis FACW Loomis' Yellow-Loosestrife Lysimachia loomisii OBL Marsh-Millet Zizaniopsis miliacea OBL Limp Manna Grass Glyceria laxa FACW Loose Water-Milfoil Myriophyllum laxum OBL Marsh-Parsley Cyclospermum leptophyllum FAC Limpo Grass Hemarthria altissima FACW Loose-Flower Water-Willow Justicia ovata OBL Marvel-of-Peru Mirabilis jalapa UPL Linear-Leaf Candy-Flower Montia linearis FAC Loose-Head Beak Sedge Rhynchospora chalarocephala OBL Maryland Black-Snakeroot Sanicula marilandica FACU Linear-Leaf Wild Petunia Ruellia simplex FAC Lopsided Indian Grass Sorghastrum secundum FACU Maryland Golden-Aster Chrysopsis mariana UPL Little Aguja Pondweed Potamogeton berchtoldii OBL Lopsided Rush Juncus secundus FACU Maryland Meadow-Beauty Rhexia mariana OBL Little Barley Hordeum pusillum FAC Lotus Sweetjuice Glinus lotoides FACW Maryland Milkwort Polygala mariana FACW Little Duckweed Lemna obscura OBL Louisiana Bluestar Amsonia ludoviciana FAC Maryland Wild Sensitive-Plant Senna marilandica FAC Little False Bluestem Schizachyrium scoparium FACU Louisiana Cup Grass Eriochloa punctata FACW Mat Amaranth Amaranthus blitoides FAC Little Floating Bladderwort Utricularia radiata OBL Louisiana Lettuce Lactuca ludoviciana UPL Matted Sandmat Euphorbia serpens FACW Little Floatingheart Nymphoides cordata OBL Louisiana Sedge Carex louisianica OBL Matted Water-Starwort Callitriche peploides OBL Little Green Sedge Carex viridula OBL Louisiana Vetch Vicia ludoviciana FACU Maximilian Sunflower Helianthus maximiliani UPL Little Hedge-Hyssop Gratiola amphiantha OBL Louisiana Yellow-Eyed-Grass Xyris louisianica OBL May Grass Phalaris caroliniana FACW Little Ladies'-Tresses Spiranthes tuberosa FACU Love-in-a-Puff Cardiospermum halicacabum FACU May-Apple Podophyllum peltatum FACU Little Mountain Meadow-Rue Thalictrum mirabile FAC Low Nut-Rush Scleria verticillata OBL Maystar Trientalis borealis FAC Little River Arrowhead Sagittaria secundifolia OBL Low Pine-Barren Milkwort Polygala ramosa FACW Meadow Alexanders Zizia trifoliata FACU Little Walnut Juglans microcarpa FAC Low Spearwort Ranunculus pusillus OBL Meadow Barley Hordeum brachyantherum FAC Little-Brown-Jug Hexastylis arifolia FAC Low Spike Sedge Kyllinga pumila FACW Meadow Evening-Primrose Oenothera pilosella FAC Little-Head Nut-Rush Scleria oligantha FACU Low Water-Milfoil Myriophyllum humile OBL Meadow False Rye Grass Schedonorus pratensis FACU Little-Head Spike-Rush Eleocharis parvula OBL Lowland Beardtongue Penstemon alluviorum FACW Meadow Garlic Allium canadense FACU Little-Hip Hawthorn Crataegus spathulata FAC Lowland Bladder Fern Cystopteris protrusa FAC Meadow Horsetail Equisetum pratense FACW Little-Hogweed Portulaca oleracea FAC Lowland Toothcup Rotala ramosior OBL Meadow Love Grass Eragrostis refracta FACW Little-Leaf Milkwort Polygala brevifolia FACW Lowland Yellow-Loosestrife Lysimachia hybrida OBL Meadow Spike-Moss Selaginella apoda FACW Little-Leaf Titi Cyrilla racemiflora FACW Lyre-Leaf Sage Salvia lyrata FACU Meadow Vetchling Lathyrus pratensis FACU Little-Pod False Flax Camelina microcarpa FACU Lyre-Leaf Thalecress Arabidopsis lyrata FACU Meadow Willow Salix petiolaris FACW Little-Tooth Sedge Carex microdonta FACW Mad Dog Skullcap Scutellaria lateriflora FACW Mead's Sedge Carex meadii FAC Live Oak Quercus virginiana FACU Madagascar-Periwinkle Catharanthus roseus UPL Mediterranean Canary Grass Phalaris paradoxa FAC Lizard's-Tail Saururus cernuus OBL Maid Marian Rhexia nashii OBL Mediterranean Schenkia Schenkia spicata FACW Loblolly Pine Pinus taeda FAC Maiden Pink Dianthus deltoides UPL Meehan's-Mint Meehania cordata FACU Loblolly-Bay Gordonia lasianthus FACW Maiden-Cane Panicum hemitomon FACW Melic Manna Grass Glyceria melicaria OBL Log Fern Dryopteris celsa OBL Maidenhair Spleenwort Asplenium trichomanes FAC Merlin's-Grass Isoetes tegetiformans OBL Long Beach Primrose-Willow Ludwigia brevipes OBL Maid-of-the-Mist Thalictrum coriaceum FACU Mexican Flat Sedge Cyperus distans OBL Long-Awn Cock's-Spur Grass Echinochloa walteri FACW Malaysian False Pimpernel Lindernia crustacea FACU Mexican Ground-Cherry Physalis philadelphica UPL Long-Beak Arrowhead Sagittaria australis OBL Maleberry Lyonia ligustrina FACW Mexican Love Grass Eragrostis mexicana UPL Long-Beak Beak Sedge Rhynchospora scirpoides OBL Manila Temple Grass Zoysia matrella UPL Mexican Mosquito Fern Azolla microphylla OBL Long-Beak Sedge Carex sprengelii FACU Man-of-the-Earth Ipomoea pandurata FACU Mexican Muhly Muhlenbergia mexicana FACW Mexican Primrose-Willow Ludwigia octovalvis OBL Muehlenberg's Nut-Rush Scleria muehlenbergii FAC New Jersey Muhly Muhlenbergia torreyana FACW Mexican Starwort Stellaria cuspidata FAC Mullein-Foxglove Dasistoma macrophylla FACU New Jersey Rush Juncus caesariensis OBL Mexican-Fireplant Euphorbia heterophylla FACU Muricate Sedge Carex muricata FAC New Orleans Dewberry Rubus sons FAC Mexican-Fireweed Bassia scoparia UPL Muscadine Vitis rotundifolia FAC New York Fern Parathelypteris noveboracensis FAC Mexican-Tea Dysphania ambrosioides FACU Muskflower Mimulus moschatus OBL New York Ironweed Vernonia noveboracensis FACW Miccosukee Gooseberry Ribes echinellum FAC Muskingum Sedge Carex muskingumensis OBL Night Flowering-Jassamine Cestrum nocturnum UPL Michaux's Gladecress Leavenworthia uniflora FAC Myrtle Dahoon Ilex myrtifolia FACW Night-and-Afternoon Pseuderanthemum variabile FACU Michaux's Milkweed Asclepias michauxii FAC Naked Broom-Rape Orobanche uniflora FACU Nightcaps Anemone quinquefolia FACU Michaux's Pseudosaxifrage Micranthes petiolaris FACU Naked-Stem Dewflower Murdannia nudiflora FAC Night-Flowering Wild Petunia Ruellia noctiflora FACW Michaux's Sedge Carex michauxiana OBL Nanny-Berry Viburnum lentago FAC Nimblewill Muhlenbergia schreberi FAC Michigan Lily Lilium michiganense FACW Nantucket Service-Berry Amelanchier nantucketensis FACU Nipple-Bract Arrowhead Sagittaria papillosa OBL Mild Water-Pepper Persicaria hydropiper OBL Narrow Beech Fern Phegopteris connectilis FACU Nits-and-Lice Hypericum drummondii UPL Mile-a-Minute-Vine Ipomoea cairica FACU Narrow False Oat Trisetum spicatum FACU Nodding Beak Sedge Rhynchospora inexpansa FACW Millet Beak Sedge Rhynchospora miliacea OBL Narrow Pipewort Eriocaulon lineare OBL Nodding Beardtongue Penstemon laxiflorus FAC Miner's Pepperwort Lepidium densiflorum FAC Narrow Plume Grass Saccharum baldwinii OBL Nodding Burr-Marigold Bidens cernua OBL Miner's-Lettuce Claytonia perfoliata FACU Narrow-Fruit Horned Beak Sedge Nodding Fescue Festuca subverticillata FACU Mingled Beak Sedge Rhynchospora mixta OBL Rhynchospora inundata OBL Nodding Mouse-Ear Chickweed Miniature Flat Sedge Cyperus prolifer FACW Narrow-Leaf Arrowhead Sagittaria filiformis OBL Cerastium nutans FAC Miniature-Beefsteakplant Mosla dianthera FACU Narrow-Leaf Bird's-Foot-Trefoil Lotus tenuis FACU Nodding Onion Allium cernuum FACU Minniebush Menziesia pilosa FAC Narrow-Leaf Bittercress Cardamine impatiens FAC Nodding Plumeless-Thistle Carduus nutans UPL Minute Duckweed Lemna perpusilla OBL Narrow-Leaf Blue-Eyed-Grass Sisyrinchium angustifolium FACW Nodding Rattlesnake-Root Nabalus crepidineus FACU Mississippi Buttercup Ranunculus laxicaulis OBL Narrow-Leaf Burr-Reed Sparganium angustifolium OBL Nodding Sedge Carex gynandra OBL Missouri Blackberry Rubus vigilis FACW Narrow-Leaf Bush-Clover Lespedeza angustifolia FAC Nodding Trillium Trillium flexipes FAC Missouri Dewberry Rubus missouricus FACU Narrow-Leaf Carpet Grass Axonopus fissifolius FACW Nodding Wild Rye Elymus canadensis FACU Missouri Ironweed Vernonia missurica FACU Narrow-Leaf Cat-Tail Typha angustifolia OBL Nootka Alkali Grass Puccinellia nutkaensis FACW Missouri Orange Coneflower Rudbeckia missouriensis UPL Narrow-Leaf Evening-Primrose Oenothera fruticosa FAC Northeastern Sedge Carex cryptolepis OBL Missouri Violet Viola missouriensis FACU Narrow-Leaf False Dragonhead Physostegia angustifolia FACW Northern Adder's-Tongue Ophioglossum pusillum FACW Missouri Willow Salix eriocephala FACW Narrow-Leaf Fireweed Chamaenerion angustifolium FAC Northern Bayberry Morella pensylvanica FAC Mitchell's Sedge Carex mitchelliana OBL Narrow-Leaf Gentian Gentiana linearis OBL Northern Bedstraw Galium boreale FACU Modoc Yellowcress Rorippa tenerrima FAC Narrow-Leaf Ironweed Vernonia lettermannii FACW Northern Bent Agrostis mertensii FACU Mohr's Barbara's-Buttons Marshallia mohrii FACW Narrow-Leaf Mountain-Mint Pycnanthemum tenuifolium FACW Northern Bluethread Burmannia biflora OBL Mohr's Bluestem Andropogon mohrii FACW Narrow-Leaf Mountain-Trumpet Collomia linearis UPL Northern Bog Bedstraw Galium labradoricum OBL Mohr's Thoroughwort Eupatorium mohrii FAC Narrow-Leaf Paleseed Leucospora multifida OBL Northern Bog Club-Moss Lycopodiella inundata OBL Monkey's Paw Palhinhaea cernua FAC Narrow-Leaf Primrose-Willow Ludwigia linearis OBL Northern Bog Sedge Carex gynocrates OBL Monongahela Barbara's-Buttons Marshallia Narrow-Leaf Rose-Gentian Sabatia brachiata FACU Northern Bog Violet Viola nephrophylla FACW grandiflora FAC Narrow-Leaf Silk-Grass Pityopsis graminifolia UPL Northern Bracken Fern Pteridium aquilinum FACU Morrow's Honeysuckle Lonicera morrowii FACU Narrow-Leaf Water-Plantain Alisma gramineum OBL Northern Catalpa Catalpa speciosa FAC Mosquito Bead Sedge Rhynchospora crinipes OBL Narrow-Leaf Whitetop Rhynchospora colorata FACW Northern Cluster Sedge Carex arcta OBL Mosquito Bulrush Scirpus hattorianus OBL Narrow-Panicle Rush Juncus brevicaudatus OBL Northern Coastal Violet Viola brittoniana FAC Mother-of-the-Evening Hesperis matronalis FACU Nash's Blue-Eyed-Grass Sisyrinchium nashii FAC Northern Dwarf Huckleberry Gaylussacia bigeloviana OBL Moundlily Yucca Yucca gloriosa FAC Navel Cornsalad Valerianella umbilicata FAC Northern Evening-Primrose Oenothera parviflora FACU Mountain Asphodel Narthecium montanum FACW Nebraska Sedge Carex nebrascensis OBL Northern Frogfruit Phyla lanceolata OBL Mountain Azalea Rhododendron canescens FACW Necklace Gladecress Leavenworthia torulosa OBL Northern Green Rush Juncus alpinoarticulatus OBL Mountain Bellwort Uvularia puberula FACU Necklace Sedge Carex projecta FACW Northern Holly Fern Polystichum lonchitis UPL Mountain Bugbane Actaea podocarpa FACU Neckweed Veronica peregrina FAC Northern Lady Fern Athyrium angustum FAC Mountain Doll's Daisy Boltonia montana FACW Needle Beak Sedge Rhynchospora capillacea OBL Northern Long Sedge Carex folliculata OBL Mountain False Deathcamas Anticlea elegans FAC Needle Blue-Eyed-Grass Sisyrinchium capillare FACW Northern Maidenhair Adiantum pedatum FAC Mountain Fly-Honeysuckle Lonicera villosa FACW Needle Palm Rhapidophyllum hystrix FACW Northern Oak Fern Gymnocarpium dryopteris UPL Mountain Holly Ilex montana FACU Needle Spike-Rush Eleocharis acicularis OBL Northern Red Oak Quercus rubra FACU Mountain Maple Acer spicatum FACU Needle Viper Grass Dinebra panicea FACW Northern Rosette Grass Dichanthelium boreale FACU Mountain Meadow-Rue Thalictrum clavatum FACW Needle-Leaf Pincushion-Plant Navarretia intertexta FACW Northern Slender Ladies'-Tresses Mountain St. John's-Wort Hypericum graveolens FAC Needle-Leaf Rosette Grass Dichanthelium aciculare FACU Spiranthes lacera FACU Mountain Sweet Pitcherplant Sarracenia jonesii OBL Needle-Pod Rush Juncus scirpoides FACW Northern Spicebush Lindera benzoin FAC Mountain Tarplant Madia glomerata FACU Needle-Tip Blue-Eyed-Grass Sisyrinchium mucronatum FAC Northern St. John's-Wort Hypericum boreale OBL Mountain Valerian Valeriana uliginosa OBL Nerveless Woodland Sedge Carex leptonervia FACW Northern Stinkweed Cleomella angustifolia FAC Mountain Wood Fern Dryopteris campyloptera UPL Net-Leaf Hackberry Celtis reticulata UPL Northern Sweet Vernal Grass Anthoxanthum hirtum FACW Mountain-Laurel Kalmia latifolia FACU Netted Chain Fern Woodwardia areolata FACW Northern Water-Horehound Lycopus uniflorus OBL Mourning Love Grass Eragrostis lugens FAC Netted Nut-Rush Scleria reticularis OBL Northern Watermeal Wolffia borealis OBL Mouse's-Ear Stachys crenata FACU Nettle-Leaf Goosefoot Chenopodium murale FACU Northern Water-Plantain Alisma triviale OBL Mt. Albert Goldenrod Solidago simplex FACU New Belgium American-Aster Symphyotrichum novi-belgii FACW Northern White Oak Quercus alba FACU Muck Sunflower Helianthus simulans FACW New England American-Aster Symphyotrichum novae-angliae FACW Northern Wild Rice Zizania palustris OBL Mud Sedge Carex limosa OBL New England Club-Rush Schoenoplectus novae-angliae OBL Northern Woodland Violet Viola septentrionalis FACU Mudbank Crown Grass Paspalum dissectum OBL New England Sedge Carex novae-angliae FACU Northern Yellow-Eyed-Grass Xyris montana OBL Mudmats Glossostigma cleistanthum OBL New Jersey Blueberry Vaccinium caesariense OBL Northwest Territory Sedge Carex utriculata OBL Norway Maple Acer platanoides UPL Overcup Oak Quercus lyrata OBL Symphyotrichum tenuifolium OBL Norwegian Cinquefoil Potentilla norvegica FACU Ox-Eye Daisy Leucanthemum vulgare UPL Perfoliate Bellwort Uvularia perfoliata FACU Noyau-Vine Merremia dissecta FACU Ozark Sedge Carex ozarkana OBL Peruvian Crown Grass Paspalum racemosum FAC Nutmeg Hickory Carya myristiciformis FACW Ozark Witch-Hazel Hamamelis vernalis FACU Peruvian Ground-Cherry Physalis peruviana UPL Nuttall's Lobelia Lobelia nuttallii FACW Pacific Wormwood Artemisia campestris UPL Peruvian Primrose-Willow Ludwigia peruviana OBL Nuttall's Milkwort Polygala nuttallii FAC Pai'i'iho Christella dentata FAC Pestilence-Wort Petasites hybridus FAC Nuttall's Mudflower Micranthemum micranthemoides Painted Buckeye Aesculus sylvatica FAC Petersen's-Spleenwort Deparia petersenii FACW OBL Painted Trillium Trillium undulatum FACU Petiteplant Lepuropetalon spathulatum FACW Nuttall's Poverty-Weed Monolepis nuttalliana UPL Painted-Nettle Solenostemon scutellarioides FACU Petticoat-Climber Eragrostis spectabilis UPL Nuttall's Rayless-Goldenrod Bigelowia nuttallii FACU Paiuteweed Suaeda calceoliformis FACW Philadelphia Fleabane Erigeron philadelphicus FACU Nuttall's Reed Grass Calamagrostis coarctata OBL Pale Beak Sedge Rhynchospora pallida OBL Philadelphia Panic Grass Panicum philadelphicum FAC Nuttall's Sunflower Helianthus nuttallii FACW Pale Beardtongue Penstemon pallidus FACU Pickerelweed Pontederia cordata OBL Nuttall's Thistle Cirsium nuttallii FAC Pale Bulrush Scirpus pallidus OBL Pickering's Dawnflower Stylisma pickeringii FAC Nuttall's Water-Starwort Callitriche pedunculosa FACW Pale Dock Rumex altissimus FACW Pickering's Reed Grass Calamagrostis pickeringii FACW Oakes' Pondweed Potamogeton oakesianus OBL Pale Dogwood Cornus obliqua FACW Piedmont Bladderwort Utricularia olivacea OBL Oak-Leaf Fleabane Erigeron quercifolius FACW Pale Duckweed Lemna valdiviana OBL Piedmont Cowbane Oxypolis ternata FACW Oak-Leaf Goosefoot Chenopodium glaucum FACW Pale False Manna Grass Torreyochloa pallida OBL Piedmont False Pimpernel Lindernia monticola OBL Oat Avena sativa UPL Pale Grass-Pink Calopogon pallidus OBL Piedmont Quillwort Isoetes piedmontana OBL Obedient-Plant Physostegia virginiana FAC Pale Great Club-Rush Schoenoplectus heterochaetus OBL Piedmont Staggerbush Lyonia mariana FAC Oblong-Fruit Service-Berry Amelanchier bartramiana FAC Pale Lobelia Lobelia appendiculata FAC Pignut Hickory Carya glabra FACU Ocean-Blue Morning-Glory Ipomoea indica FAC Pale Sedge Carex pallescens FACW Pill-Pod Sandmat Euphorbia hirta UPL Ocean-Blue Scorpion-Weed Phacelia ranunculacea FACW Pale St. John's-Wort Hypericum ellipticum OBL Pimpernel Willowherb Epilobium anagallidifolium FAC Ocmulgee Skullcap Scutellaria ocmulgee FACW Pale Touch-Me-Not Impatiens pallida FACW Pin Oak Quercus palustris FACW Oconee-Bells Shortia galacifolia FACU Pale-Green Orchid Platanthera flava FACW Pineapple-Weed Matricaria discoidea FACU October Ladies'-Tresses Spiranthes ovalis FAC Pale-Leaf Woodland Sunflower Helianthus strumosus FACU Pine-Barren Featherbells Stenanthium leimanthoides OBL Ogeechee Tupelo Nyssa ogeche OBL Pale-Seed Plantain Plantago virginica UPL Pine-Barren Flat Sedge Cyperus retrorsus FAC Oglethorpe Oak Quercus oglethorpensis FAC Pale-Spike Lobelia Lobelia spicata FAC Pine-Barren Fluff Grass Tridens ambiguus FACW Ohio Buckeye Aesculus glabra FACU Pale-Yellow Iris Iris pseudacorus OBL Pine-Barren Gentian Gentiana autumnalis FACW Ohio Goldenrod Solidago ohioensis OBL Palmer's Pseudosaxifrage Micranthes palmeri FAC Pine-Barren Goldenrod Solidago fistulosa FACW Oklahoma Blackberry Rubus oklahomus FAC Pan-American Balsamscale Elionurus tripsacoides FAC Pine-Barren Rush Juncus abortivus OBL Oklahoma Sedge Carex oklahomensis OBL Panic Liverseed Grass Urochloa panicoides FACU Pine-Barren Sand-Reed Calamovilfa brevipilis OBL Oldfield Blackberry Rubus alumnus FACU Panicled Hydrangea Hydrangea paniculata FAC Pine-Barren Sedge Carex turgescens OBL Oldfield Cinquefoil Potentilla simplex FACU Panicled Indigo-Bush Amorpha paniculata FACW Pine-Barren Thoroughwort Eupatorium resinosum OBL Oldfield Sneezeweed Helenium campestre FAC Panicled-Leaf Tick-Trefoil Desmodium paniculatum FACU Pineland Beak Sedge Rhynchospora perplexa FACW Old-Man-in-the-Spring Senecio vulgaris FACU Paper Birch Betula papyrifera FACU Pineland Dewberry Rubus hypolasius FAC Oldwoman Artemisia stelleriana FACU Paper-Mulberry Broussonetia papyrifera UPL Pineland Rayless-Goldenrod Bigelowia nudata FACW One-Flower Bedstraw Galium uniflorum FACU Para Liverseed Grass Urochloa mutica FACW Pineland Sword Fern Polystichum munitum FACU One-Flower False Fiddleleaf Hydrolea uniflora OBL Parasol White-Top Doellingeria umbellata FACW Pineland Three-Awn Aristida stricta FAC One-Flower Honeycomb-Head Balduina uniflora FACW Parrot's-Feather Myriophyllum aquaticum OBL Pinewoods Finger Grass Eustachys petraea FACU One-Flower Indian-Pipe Monotropa uniflora FACU Parsley Hawthorn Crataegus marshallii FAC Pinewoods Rose-Gentian Sabatia gentianoides OBL One-Flower Stitchwort Minuartia uniflora FACW Partridge-Berry Mitchella repens FACU Pink Azalea Rhododendron periclymenoides One-Row Watercress Nasturtium microphyllum OBL Partridge-Pea Chamaecrista nictitans FACU FAC One-Seed Burr-Cucumber Sicyos angulatus FACU Pasture Spike Sedge Kyllinga gracillima FACU Pink Bogbutton Sclerolepis uniflora OBL Ontario American-Aster Symphyotrichum ontarionis FAC Peach-Leaf Willow Salix amygdaloides FACW Pink Fuzzy-Bean Strophostyles umbellata FACU Open-Field Sedge Carex conoidea FACU Pearl Yarrow Achillea ptarmica FACU Pink Knotweed Persicaria bicornis FACW Open-Flower Rosette Grass Dichanthelium laxiflorum FACU Pearl-Millet Cenchrus americanus FACU Pink Lady's-Slipper Cypripedium acaule FACU Opposite-Leaf Spotflower Acmella repens FACW Pearly-Everlasting Anaphalis margaritacea UPL Pink Redstem Ammannia latifolia OBL Orange Azalea Rhododendron austrinum FAC Peatree Sesbania herbacea FAC Pink Slender-Thoroughwort Fleischmannia incarnata FAC Orange Coneflower Rudbeckia fulgida FAC Pecan Carya illinoinensis FACU Pink Sundew Drosera capillaris OBL Orange Day-Lily Hemerocallis fulva FACU Peel-Bark St. John's-Wort Hypericum fasciculatum FACW Pink Tickseed Coreopsis rosea FACW Orange Milkwort Polygala lutea FACW Pennsylvania Blackberry Rubus pensilvanicus FAC Pink Turtlehead Chelone lyonii FACW Orange-Eye Butterfly-Bush Buddleja davidii FACU Pennsylvania Buttercup Ranunculus pensylvanicus OBL Pink Wintergreen Pyrola asarifolia FAC Orange-Grass Hypericum gentianoides UPL Pennsylvania Cinquefoil Potentilla pensylvanica FACU Pinkqueen Tarenaya hassleriana FACU Orchard Grass Dactylis glomerata FACU Pennsylvania Everlasting Gamochaeta pensylvanica UPL Pink-Shell Azalea Rhododendron vaseyi FACU Oriental False Hawk's-Beard Youngia japonica FACU Pennsylvania Pellitory Parietaria pensylvanica FACU Pinkweed Persicaria pensylvanica FACW Oriental Lady's-Thumb Persicaria posumbu FACU Pennsylvania Rush Juncus gymnocarpus OBL Pitch Pine Pinus rigida FACU Osage-Orange Maclura pomifera UPL Pennyroyal Mentha pulegium OBL Pitcher's Stitchwort Minuartia patula UPL Osceola's-Plume Stenanthium densum OBL Peppervine Ampelopsis arborea FACW Pitchfork Crown Grass Paspalum bifidum FACW Ostrich Fern Matteuccia struthiopteris FACW Perennial Goober Grass Amphicarpum muehlenbergianum Pit-Scale Grass Hackelochloa granularis FACU Oswego-Tea Monarda fistulosa UPL FACW Pitted Stripeseed Piriqueta cistoides FAC Oval Sedge Carex leporina FAC Perennial Quaking Grass Briza media FAC Planertree Planera aquatica OBL Oval-Leaf Sedge Carex cephalophora FACU Perennial Ragweed Ambrosia psilostachya FAC Plantain Liverseed Grass Urochloa plantaginea FAC Ovate False Fiddleleaf Hydrolea ovata OBL Perennial Rye Grass Lolium perenne FACU Plowman's-Wort Pluchea camphorata FACW Ovate Marsh Fern Thelypteris ovata FACW Perennial Saltmarsh American-Aster Plumed Beak Sedge Rhynchospora plumosa FACW Plymouth Rose-Gentian Sabatia kennedyana OBL Princesstree Paulownia tomentosa UPL Rannoch-Rush Scheuchzeria palustris OBL Pointed Broom Sedge Carex scoparia FACW Procession-Flower Polygala incarnata FACU Rape Brassica rapa UPL Poiret's Copperleaf Acalypha poiretii FACU Proliferous Marsh-Pennywort Hydrocotyle prolifera OBL Rat-Tail Six-Weeks Grass Vulpia myuros UPL Poison-Bean Sesbania drummondii FACW Propeller-Flower Alophia drummondii FACU Rattlesnake Brome Bromus briziformis FACU Poison-Hemlock Conium maculatum FACW Prostrate Blue Violet Viola walteri FACU Rattlesnake Fern Botrypus virginianus FACU Poison-Sumac Toxicodendron vernix OBL Prostrate Club-Moss Lycopodiella margueritae FACW Rattlesnake Manna Grass Glyceria canadensis OBL Poke Milkweed Asclepias exaltata FACU Prostrate False Pimpernel Lindernia procumbens FACW Rattlesnake-Master Eryngium aquaticum OBL Policeman's-Helmet Impatiens glandulifera FACW Prostrate Sandmat Euphorbia prostrata FACU Rattleweed Crotalaria retusa UPL Pond Flat Sedge Cyperus ochraceus FACW Prune-Fruit Sedge Carex corrugata FACW Ravenel's Pipewort Eriocaulon ravenelii OBL Pond Harperella Harperella nodosa OBL Puffballs Marshallia caespitosa FACU Ravenel's Rosette Grass Dichanthelium ravenelii FACU Pond Pine Pinus serotina OBL Pull-and-Be-Damned Paspalum denticulatum OBL Raven-Foot Sedge Carex crus-corvi OBL Pond Primrose-Willow Ludwigia arcuata OBL Pumpkin Ash Fraxinus profunda OBL Rayless Mock Goldenrod Brintonia discoidea FACU Pond Water-Starwort Callitriche stagnalis OBL Purple Amaranth Amaranthus blitum FACU Reclining Bulrush Scirpus flaccidifolius OBL Pond-Cypress Taxodium ascendens OBL Purple Avens Geum rivale OBL Red Baneberry Actaea rubra UPL Pondspice Litsea aestivalis OBL Purple Chokeberry Aronia prunifolia FACW Red Bay Persea borbonia FACW Poorjoe Diodia teres UPL Purple False Foxglove Agalinis purpurea FACW Red Bearberry Arctostaphylos uva-ursi UPL Poorland Flat Sedge Cyperus compressus FAC Purple Five-Leaf Orchid Isotria verticillata FACU Red Buckeye Aesculus pavia FAC Poorman's-Pepperwort Lepidium virginicum FACU Purple Flat Sedge Cyperus rotundus FAC Red Chokeberry Aronia arbutifolia FACW Porcupine Sedge Carex hystericina OBL Purple Foxglove Digitalis purpurea UPL Red Clover Trifolium pratense FACU Porknut Vachellia macracantha FACU Purple Loosestrife Lythrum salicaria FACW Red Columbine Aquilegia canadensis FAC Possumhaw Viburnum nudum OBL Purple Love Grass Eragrostis pectinacea FAC Red Elder Sambucus racemosa FACU Post Oak Quercus stellata UPL Purple Marshlocks Comarum palustre OBL Red Fescue Festuca rubra FACU Potato Dwarf-Dandelion Krigia dandelion FAC Purple Meadow-Rue Thalictrum dasycarpum FACW Red Goosefoot Chenopodium rubrum FACW Powderpuff Mimosa strigillosa FAC Purple Milkweed Asclepias purpurascens FACU Red Hickory Carya ovalis FACU Powdery Alligator-Flag Thalia dealbata OBL Purple Milkwort Polygala sanguinea FAC Red Love Grass Eragrostis secundiflora UPL Prairie Blue Grass Poa arida FAC Purple Moor Grass Molinia caerulea FACU Red Mangrove Rhizophora mangle OBL Prairie Bundle-Flower Desmanthus illinoensis FAC Purple Pitcherplant Sarracenia purpurea OBL Red Maple Acer rubrum FAC Prairie Buttercup Ranunculus platensis FAC Purple Rattlesnake-Root Nabalus racemosus FACW Red Milkweed Asclepias rubra OBL Prairie Cup Grass Eriochloa contracta FACU Purple River-Hemp Sesbania punicea FAC Red Mulberry Morus rubra FACU Prairie Dogshade Limnosciadium pumilum OBL Purple Silkyscale Anthenantia rufa FACU Red Osier Cornus alba FACW Prairie Dropseed Sporobolus heterolepis UPL Purple Spike-Rush Eleocharis atropurpurea FACW Red Pine Pinus resinosa FACU Prairie False Foxglove Agalinis heterophylla FACU Purple Willow Salix purpurea FACW Red Saltwort Salicornia rubra OBL Prairie Fleabane Erigeron strigosus FACU Purple-Disk Honeycomb-Head Balduina atropurpurea FACW Red Spruce Picea rubens FACU Prairie Groundsel Packera plattensis FACU Purple-Head Sneezeweed Helenium flexuosum FAC Red Three-Awn Aristida longespica UPL Prairie Iris Iris savannarum OBL Purple-Leaf Willowherb Epilobium coloratum FACW Red Turtlehead Chelone obliqua OBL Prairie Ironweed Vernonia fasciculata FAC Purple-Rocket Iodanthus pinnatifidus FACW Redbud Cercis canadensis FACU Prairie Milkweed Asclepias sullivantii FAC Purple-Stem American-Aster Symphyotrichum puniceum OBL Reddish Pondweed Potamogeton alpinus OBL Prairie Panic Grass Panicum brachyanthum FAC Purple-Stem Angelica Angelica atropurpurea OBL Red-Head Pondweed Potamogeton richardsonii OBL Prairie Plantain Plantago elongata FACW Purple-Stem Monkey-Flower Mimulus floribundus OBL Red-Margin Zephyr-Lily Zephyranthes simpsonii FAC Prairie Rose Rosa arkansana FACU Purple-Top Vervain Verbena bonariensis FAC Red-Pod Rush Juncus trigonocarpus OBL Prairie Rosinweed Silphium terebinthinaceum FACU Pussy Willow Salix discolor FACW Red-Ring Milkweed Asclepias variegata FACU Prairie Sedge Carex prairea FACW Pygmy Ground-Cherry Physalis minima FACU Red-Root Amaranthus retroflexus FACU Prairie Spiderwort Tradescantia occidentalis UPL Pygmy Smartweed Persicaria minor OBL Red-Root Flat Sedge Cyperus erythrorhizos FACW Prairie Straw Sedge Carex suberecta OBL Pygmy-Flower Vetch Vicia minutiflora FAC Red-Seed Plantain Plantago rhodosperma UPL Prairie Wedgescale Sphenopholis obtusata FAC Quaker Bittercress Cardamine pensylvanica OBL Redstar Ipomoea coccinea FACU Prairie White Fringed Orchid Platanthera leucophaea FACW Quaker-Ladies Houstonia caerulea FACU Red-Tinge Bulrush Scirpus microcarpus OBL Prairie Willow Salix humilis FACU Quaking Aspen Populus tremuloides FAC Red-Top Cut-Throat Grass Coleataenia rigidula FACW Prairie Wood-Aster Eurybia hemispherica FACU Quarterman's Hedge-Hyssop Gratiola quartermaniae FAC Red-Twig Deciduous-Doghobble Eubotrys Pretty Sedge Carex woodii UPL Queen Anne's-Lace Daucus carota UPL recurva FACU Price's American-Aster Symphyotrichum priceae FACU Queendevil Hieracium gronovii UPL Red-Whisker Clammyweed Polanisia dodecandra FACU Prickley Tree-Club-Moss Dendrolycopodium dendroideum Queen-of-the-Meadow Filipendula ulmaria FACW Reed Canary Grass Phalaris arundinacea FACW FACU Queen-of-the-Prairie Filipendula rubra FACW Reflexed Flat Sedge Cyperus refractus FACU Prickly Bog Sedge Carex atlantica FACW Queen's-Jewels Antigonon leptopus FACU Reflexed Sedge Carex retroflexa FACU Prickly Comfrey Symphytum asperum UPL Quill Sedge Carex tenera FAC Resurrection Fern Pleopeltis polypodioides FACU Prickly Fanpetals Sida spinosa UPL Quillwort Arrowhead Sagittaria isoetiformis OBL Retrorse Sedge Carex retrorsa FACW Prickly Hornwort Ceratophyllum muricatum OBL Quinineweed Zeltnera beyrichii FACU Reversed Clover Trifolium resupinatum UPL Prickly Lettuce Lactuca serriola FAC Rabbitbells Crotalaria rotundifolia UPL Rhodes Grass Chloris gayana FACU Prickly Rose Rosa acicularis FACU Racemed Milkwort Polygala polygama UPL Rhodora Rhododendron canadense FACW Prickly Russian-Thistle Salsola tragus FACU Ragged-Robin Silene flos-cuculi FACU Ribbed Mock Bishopweed Ptilimnium costatum FACW Prickly Sedge Carex spicata FAC Rambler Rose Rosa multiflora FACU Ribbon-Leaf Pondweed Potamogeton epihydrus OBL Pride-of-Ohio Dodecatheon meadia FACU Ramp Allium tricoccum FACU Rice Button American-Aster Symphyotrichum dumosum FAC Pride-of-the-Peak Platanthera fissa FACW Ram's-Horn Proboscidea louisiana FACU Rice Cut Grass Leersia oryzoides OBL Primroseleaf Violet Viola primulifolia FAC Ranenna Grass Saccharum ravennae UPL Ricefield Flat Sedge Cyperus iria FACW Princess-Pine Dendrolycopodium obscurum FACU Rankin's Trumpet-Flower Gelsemium rankinii FAC Richard's Yellow-Eyed-Grass Xyris jupicai OBL Richardson's Alumroot Heuchera richardsonii FAC Round-Leaf Monkey-Flower Mimulus glabratus OBL Sassafras Sassafras albidum FACU Richardson's Sedge Carex richardsonii UPL Round-Leaf Sundew Drosera rotundifolia OBL Satincurls Clematis catesbyana FAC Richweed Collinsonia canadensis FAC Round-Leaf Thimbleweed Anemone canadensis FACW Satin-Flower Spergularia media FACW Riddell's Goldenrod Solidago riddellii OBL Round-Leaf Thoroughwort Eupatorium rotundifolium FAC Savannah Beak Sedge Rhynchospora debilis OBL Ridged Yellow Flax Linum striatum FACW Round-Leaf Toothcup Rotala rotundifolia OBL Savannah Iris Iris tridentata OBL Ridge-Stem False Foxglove Agalinis oligophylla FAC Round-Leaf Yellow Violet Viola rotundifolia FAC Savannah Meadow-Beauty Rhexia alifanus FACW Rigid Sedge Carex tetanica FACW Round-Pod St. John's-Wort Hypericum cistifolium FACW Savannah Primrose-Willow Ludwigia virgata OBL Ring-Seed Rush Juncus filipendulus FAC Round-Seed Rosette Grass Dichanthelium sphaerocarpon FACU Savannah Sneezeweed Helenium vernale FACW River Birch Betula nigra FACW Round-Seed St. John's-Wort Hypericum sphaerocarpum FAC Savannah Wood-Aster Eurybia compacta FACU River Broom-Rape Orobanche riparia FACW Royal Fern Osmunda spectabilis OBL Savannah Yellow-Eyed-Grass Xyris flabelliformis OBL River Club-Rush Schoenoplectus fluviatilis OBL Ruby Sandspurry Spergularia rubra FACU Savannah-Panic Grass Phanopyrum gymnocarpon OBL River-Bank Grape Vitis riparia FACW Rue-Anemone Thalictrum thalictroides FACU Sawbrier Smilax glauca FACU River-Bank Wild Rye Elymus riparius FACW Rufous Bulrush Scirpus pendulus OBL Saw-Palmetto Serenoa repens FACU Robbins' Spike-Rush Eleocharis robbinsii OBL Rugosa Rose Rosa rugosa FACU Saw-Tooth Blackberry Rubus argutus FACU Robin-Run-Away Rubus dalibarda FAC Running Ground-Pine Lycopodium clavatum FAC Saw-Tooth Sunflower Helianthus grosseserratus FACW Robin's-Plantain Erigeron pulchellus FACU Running Service-Berry Amelanchier spicata FACU Scale-Leaf False Foxglove Agalinis aphylla FACW Rock Buttercup Ranunculus micranthus FACU Running Strawberry-Bush Euonymus obovatus FAC Scarlet Beebalm Monarda didyma FAC Rock Elm Ulmus thomasii FACU Rush-Featherling Pleea tenuifolia OBL Scarlet Indian-Paintbrush Castilleja coccinea FAC Rock Fir-Moss Huperzia porophila FACU Russet Buffalo-Berry Shepherdia canadensis UPL Scarlet Rose-Mallow Hibiscus coccineus OBL Rock Grape Vitis rupestris FACU Russian Blue Lettuce Lactuca tatarica FAC Scarlet Yellow-Loosestrife Lysimachia arvensis UPL Rockweed Pilea microphylla FAC Russian-Olive Elaeagnus angustifolia FACU Scarlet-Creeper Ipomoea hederifolia FAC Rocky Mountain Beeplant Peritoma serrulata FACU Russian-Thistle Salsola kali FACU Scarlet-Fruit Passion-Flower Passiflora foetida FAC Rocky Mountain Club-Rush Schoenoplectus saximontanus OBL Rusty Blackhaw Viburnum rufidulum UPL Scentbottle Piperia dilatata FACW Rocky Mountain Goldenrod Solidago multiradiata FACU Rusty Flat Sedge Cyperus odoratus FACW Schweinitz's Groundsel Packera schweinitziana FACW Roemer's Rush Juncus roemerianus OBL Rusty Labrador-Tea Rhododendron groenlandicum OBL Schweinitz's Sedge Carex schweinitzii OBL Roosevelt-Weed Baccharis neglecta FAC Sacred Lotus Nelumbo nucifera OBL Schweinitz's Waterweed Elodea schweinitzii OBL Rooted Spike-Rush Eleocharis radicans OBL Sacred Thorn-Apple Datura wrightii FACU Scotland Orache Atriplex glabriuscula FACU Rope-Root Sedge Carex chordorrhiza OBL Sage Willow Salix candida OBL Sea Thrift Armeria maritima FACU Rosebud Orchid Cleistesiopsis divaricata FAC Sago False Pondweed Stuckenia pectinata OBL Sea Vetchling Lathyrus japonicus FACU Rose-Moss Portulaca grandiflora UPL Saline Saltbush Atriplex dioica FAC Seacoast Angelica Angelica lucida FAC Rose-of-Plymouth Sabatia stellaris FACW Saltmarsh Alkali Grass Puccinellia fasciculata OBL Sea-Milkwort Lysimachia maritima FAC Rose-Pink Sabatia angularis FAC Saltmarsh Club-Rush Schoenoplectus maritimus OBL Sea-Oats Uniola paniculata FACU Rosette Crinklemat Tiquilia nuttallii FACU Saltmarsh False Foxglove Agalinis maritima FACW Seashore Crown Grass Paspalum vaginatum OBL Rosy Camphorweed Pluchea baccharis FACW Saltmarsh Loosestrife Lythrum lineare OBL Seashore Dropseed Sporobolus virginicus FAC Rosy Pitcherplant Sarracenia rosea OBL Saltmarsh Rush Juncus gerardii FACW Seaside Alder Alnus maritima OBL Rosy Sedge Carex rosea FACU Saltmarsh Sandspurry Spergularia marina OBL Seaside Alkali Grass Puccinellia maritima OBL Rougeplant Rivina humilis UPL Saltmarsh Spike-Rush Eleocharis halophila OBL Seaside Amaranth Amaranthus pumilus FACW Rough Avens Geum laciniatum FAC Saltmarsh Umbrella Sedge Fuirena breviseta OBL Seaside American-Aster Symphyotrichum subulatum OBL Rough Barnyard Grass Echinochloa muricata FACW Salt-Meadow Cord Grass Spartina patens FACW Seaside Arrow-Grass Triglochin maritima OBL Rough Bedstraw Galium asprellum OBL Saltwater Cord Grass Spartina alterniflora OBL Seaside Barley Hordeum marinum FACU Rough Bent Agrostis scabra FAC Sampson's-Snakeroot Orbexilum pedunculatum FACU Seaside Brookweed Samolus valerandi OBL Rough Boneset Eupatorium pilosum FACW Sand Bittercress Cardamine parviflora FACU Seaside Club-Rush Schoenoplectus robustus OBL Rough Bristle Grass Setaria verticillata FAC Sand Blackberry Rubus cuneifolius UPL Seaside Goldenrod Solidago sempervirens FACW Rough Cockleburr Xanthium strumarium FAC Sand Dropseed Sporobolus cryptandrus UPL Seaside Heliotrope Heliotropium curassavicum OBL Rough Flat Sedge Cyperus retrofractus UPL Sand Flat Sedge Cyperus schweinitzii FACU Seaside Knotweed Polygonum glaucum FACU Rough Forget-Me-Not Myosotis arvensis UPL Sand Plantain Plantago arenaria FACU Seaside Primrose-Willow Ludwigia maritima FACW Rough Rosette Grass Dichanthelium leucothrix FACW Sand Spike-Rush Eleocharis montevidensis FACW Seaside Sandmat Euphorbia polygonifolia FACU Rough White Prairie American-Aster Sand Violet Viola affinis FACW Seaside-Petunia Calibrachoa parviflora FACW Symphyotrichum falcatum FAC Sandbar Love Grass Eragrostis frankii FACW Seawrack Zostera marina OBL Rough Wood-Aster Eurybia radula OBL Sandbar Willow Salix interior FACW Seedbox Ludwigia alternifolia FACW Rough-Fruit Amaranth Amaranthus tuberculatus FACW Sandbog Deathcamas Zigadenus glaberrimus OBL Seep Monkey-Flower Mimulus guttatus OBL Rough-Fruit Scaleseed Spermolepis divaricata FACU Sand-Dune Sandburr Cenchrus tribuloides UPL Seep Muhly Muhlenbergia reverchonii FAC Rough-Hair Rosette Grass Dichanthelium strigosum FAC Sandhill Amaranth Amaranthus arenicola UPL Selloa Pampus Grass Cortaderia selloana FAC Rough-Hairy Waterfall Fern Christella hispidula FACU Sandhill Pinweed Lechea torreyi FACU Seneca-Snakeroot Polygala senega FACU Rough-Leaf Dogwood Cornus drummondii FAC Sandhills Heartleaf Hexastylis sorriei FACW Sensitive Fern Onoclea sensibilis FACW Rough-Leaf Yellow-Loosestrife Lysimachia asperulifolia OBL Sandhills Lily Lilium pyrophilum OBL September Elm Ulmus serotina FAC Rough-Stalk Blue Grass Poa trivialis FACW Sand-Myrtle Kalmia buxifolia FACU Septicweed Senna occidentalis UPL Round-Fruit Hedge-Hyssop Gratiola virginiana OBL Sandpaper Vervain Verbena scabra FACW Sessile Joyweed Alternanthera sessilis FAC Round-Fruit Rush Juncus compressus FACW Sandplain Flax Linum intercursum FACU Sessile-Fruit Arrowhead Sagittaria rigida OBL Round-Head Bush-Clover Lespedeza capitata FACU Sandy-Field Hair Sedge Bulbostylis stenophylla FACU Sessile-Leaf Bellwort Uvularia sessilifolia FAC Round-Head Club-Rush Scirpoides holoschoenus OBL Santa Maria Feverfew Parthenium hysterophorus FAC Setose Blackberry Rubus setosus FACW Round-Head Rush Juncus validus FACW Sarsparilla-Vine Smilax pumila UPL Seven-Angle Pipewort Eriocaulon aquaticum OBL Round-Leaf Goldenrod Solidago patula OBL Sartwell's Sedge Carex sartwellii OBL Seven-Sisters Crinum americanum FAC Round-Leaf Groundsel Packera obovata FACU Sarvis Holly Ilex amelanchier OBL Several-Vein Sweetflag Acorus americanus OBL Shade Mudflower Micranthemum umbrosum OBL Shriver's Fringed Orchid Platanthera shriveri FAC Slender Wild Rye Elymus trachycaulus FACU Shag-Bark Hickory Carya ovata FACU Shrub Yellowroot Xanthorhiza simplicissima FACW Slender Woodland Sedge Carex digitalis UPL Shaggy False Hedge-Nettle Sophronanthe pilosa FACU Shrubby Primrose-Willow Ludwigia suffruticosa OBL Slender Wood-Oats Chasmanthium laxum FAC Shaggy-Soldier Galinsoga quadriradiata FACU Shrubby St. John's-Wort Hypericum prolificum FACU Slender Wood-Reed Cinna latifolia FACW Shallow Sedge Carex lurida OBL Shrubby-Fivefingers Sibbaldia tridentata FACU Slender Yellow Wood-Sorrel Oxalis dillenii FACU Shameplant Mimosa pudica FACU Shumard's Oak Quercus shumardii FAC Slender Yellow-Eyed-Grass Xyris torta OBL Sharp Dock Rumex conglomeratus FAC Shyleaf Aeschynomene americana FAC Slender-Fruit Beak Sedge Rhynchospora leptocarpa OBL Sharp-Leaf Cancerwort Kickxia elatine FAC Siberian Elm Ulmus pumila FACU Slender-Fruit Nut-Rush Scleria georgiana FACW Sharp-Leaf St. John's-Wort Hypericum virgatum FACU Siberian Water-Milfoil Myriophyllum sibiricum OBL Slender-Leaf False Foxglove Agalinis tenuifolia FAC Sharp-Scale Sedge Carex oxylepis FACW Sickle Tickseed Coreopsis falcata FACW Slender-Leaf False Pondweed Stuckenia filiformis OBL Sharp-Sepal Beardtongue Penstemon tenuis FACW Sidebells Orthilia secunda FAC Slim-Flower Muhly Muhlenbergia tenuiflora FACU Sharp-Wing Monkey-Flower Mimulus alatus OBL Silk-Cotton Purslane Portulaca halimoides FACW Slim-Leaf Tick-Trefoil Desmodium tenuifolium FAC Shawnee-Salad Hydrophyllum virginianum FAC Silky Dogwood Cornus amomum FACW Slim-Lobe Beggarticks Bidens tenuisecta FACW Sheathed False Pondweed Stuckenia vaginata OBL Silky Wild Oat Grass Danthonia sericea FACU Slim-Pod Rush Juncus diffusissimus FACW Sheathed Flat Sedge Cyperus haspan OBL Silky Willow Salix sericea OBL Slim-Stem Reed Grass Calamagrostis stricta FACW Sheep Fescue Festuca ovina UPL Silver Cock's-Comb Celosia argentea FACU Slippery Elm Ulmus rubra FAC Sheep-Laurel Kalmia angustifolia FAC Silver Maple Acer saccharinum FACW Small Beggarticks Bidens discoidea FACW Shell-Bark Hickory Carya laciniosa FAC Silver Plume Grass Saccharum alopecuroides FAC Small Black Blueberry Vaccinium tenellum UPL Shepherd's-Purse Capsella bursa-pastoris FACU Silver-Leaf Cinquefoil Potentilla argentea UPL Small Butterwort Pinguicula pumila OBL Shingle Oak Quercus imbricaria FAC Silverling Baccharis glomeruliflora FAC Small Carp Grass Arthraxon hispidus FAC Shining Bedstraw Galium concinnum UPL Silverscale Atriplex argentea FAC Small Cranberry Vaccinium oxycoccos OBL Shining Fir-Moss Huperzia lucidula FACW Silver-Sheath Knotweed Polygonum argyrocoleon OBL Small Dropseed Sporobolus neglectus FACU Shining Flat Sedge Cyperus bipartitus FACW Silverweed Potentilla anserina OBL Small Enchanter's-Nightshade Circaea alpina FACW Shining Indigo-Bush Amorpha nitens FAC Silvery-Spleenwort Deparia acrostichoides FAC Small Evening-Primrose Oenothera perennis FAC Shining Ladies'-Tresses Spiranthes lucida FACW Simmonds' American-Aster Symphyotrichum kralii FAC Small Floating Manna Grass Glyceria borealis OBL Shining Rose Rosa nitida FACW Simpler's-Joy Verbena hastata FACW Small Mountain Bittercress Cardamine clematitis OBL Shining Willow Salix lucida FACW Single-Cone Ground-Pine Lycopodium lagopus FACU Small Pondweed Potamogeton pusillus OBL Shinleaf Pyrola elliptica UPL Single-Stem Leather-Root Orbexilum simplex FAC Small Skullcap Scutellaria parvula UPL Shiny Blueberry Vaccinium myrsinites FACU Singletary Vetchling Lathyrus hirsutus FAC Small Waterwort Elatine minima OBL Shiny Coneflower Rudbeckia nitida FAC Single-Vein Sweetflag Acorus calamus OBL Small White Fawn-Lily Erythronium albidum FACU Shiny Wedgescale Sphenopholis nitida FAC Sitka Alder Alnus viridis FAC Small White Lady's-Slipper Cypripedium candidum OBL Shiny Wood-Oats Chasmanthium nitidum FACW Skinner's False Foxglove Agalinis skinneriana FACU Small Woodland Sunflower Helianthus microcephalus UPL Shinyleaf Lyonia lucida FACW Skunk Currant Ribes glandulosum FACW Small-Flower Baby-Blue-Eyes Nemophila aphylla FACW Shiny-Leaf Meadowsweet Spiraea betulifolia FAC Skunk-Cabbage Symplocarpus foetidus OBL Small-Flower Buttercup Ranunculus parviflorus FAC Shoals Spider-Lily Hymenocallis coronaria OBL Skunkweed Navarretia squarrosa FACU Small-Flower False Foxglove Agalinis paupercula FACW Shore Quillwort Isoetes riparia OBL Slash Pine Pinus elliottii FACW Small-Flower Hairy Willowherb Epilobium parviflorum OBL Shoreline Sea-Purslane Sesuvium portulacastrum FACW Sleeping-Beauty Oxalis montana FAC Small-Flower Halfchaff Sedge Lipocarpha micrantha FACW Shoreline Sedge Carex hyalinolepis OBL Sleepingplant Chamaecrista fasciculata FACU Small-Flower Pawpaw Asimina parviflora UPL Short-Awn Meadow-Foxtail Alopecurus aequalis OBL Sleepydick Ornithogalum umbellatum FACU Small-Flower Sweetbrier Rosa micrantha FACU Short-Beak Arrowhead Sagittaria brevirostra OBL Slender Amaranth Amaranthus viridis FAC Small-Flower Tamarisk Tamarix parviflora FAC Short-Beak Beak Sedge Rhynchospora nitens OBL Slender Arrowhead Sagittaria teres OBL Small-Flower Thoroughwort Eupatorium semiserratum FACW Short-Beak Sedge Carex brevior FAC Slender Beak Sedge Rhynchospora gracilenta OBL Small-Fruit Beggarticks Bidens mitis OBL Short-Beard Plume Grass Saccharum brevibarbe OBL Slender Blue Iris Iris prismatica OBL Small-Fruit Primrose-Willow Ludwigia microcarpa OBL Short-Bristle Beak Sedge Rhynchospora galeana OBL Slender Bunchflower Veratrum latifolium FACU Small-Fruit Spike-Rush Eleocharis microcarpa OBL Short-Bristle Horned Beak Sedge Slender Cotton-Grass Eriophorum gracile OBL Small-Head Beak Sedge Rhynchospora microcephala FACW Rhynchospora corniculata OBL Slender Crown Grass Paspalum setaceum FACU Small-Head Doll's Daisy Boltonia diffusa FAC Short-Leaf Lobelia Lobelia brevifolia FAC Slender False Dragonhead Physostegia intermedia FACW Small-Head Marsh-Elder Iva microcephala FACW Short-Leaf Rush Juncus brachyphyllus FAC Slender Fimbry Fimbristylis autumnalis FACW Small-Head Rush Juncus brachycephalus OBL Short-Leaf Skeleton Grass Gymnopogon brevifolius FACU Slender Gayfeather Liatris gracilis FACU Small-Head Sneezeweed Helenium microcephalum FACW Short-Leaf Sneezeweed Helenium brevifolium OBL Slender Goldentop Euthamia caroliniana FAC Small-Leaf Arrow-Wood Viburnum obovatum FACW Short-Leaf Spike Sedge Kyllinga brevifolia FACW Slender Meadow-Foxtail Alopecurus myosuroides FACW Small-Leaf Meadow-Rue Thalictrum macrostylum FACW Short-Leaf Yellow-Eyed-Grass Xyris brevifolia OBL Slender Muhly Muhlenbergia sericea FAC Small-Leaf Wandering-Jew Tradescantia fluminensis FAC Short's Hedge-Hyssop Gratiola viscidula OBL Slender Nut-Rush Scleria minor FACW Small's Bogbutton Lachnocaulon minus OBL Short's Rockcress Boechera dentata FACU Slender Plantain Plantago heterophylla FAC Small's Groundsel Packera anonyma UPL Short's Sedge Carex shortiana FAC Slender Rattlesnake-Root Nabalus autumnalis FAC Small's Yellow-Eyed-Grass Xyris smalliana OBL Short-Seed Waterwort Elatine brachysperma OBL Slender Rose-Gentian Sabatia campanulata FACW Small-Spike False Nettle Boehmeria cylindrica FACW Short-Spike Canary Grass Phalaris brachystachys FACW Slender Scratchdaisy Croptilon divaricatum UPL Smith's Club-Rush Schoenoplectus smithii OBL Short-Stalk Mouse-Ear Chickweed Cerastium Slender Sea-Purslane Sesuvium maritimum FACW Smooth Arrow-Wood Viburnum recognitum FAC brachypodum FACU Slender Spike-Rush Eleocharis tenuis FACW Smooth Azalea Rhododendron arborescens FAC Showy Lady's-Slipper Cypripedium reginae FACW Slender Three-Seed-Mercury Acalypha gracilens FAC Smooth Beggarticks Bidens laevis OBL Showy Milkweed Asclepias speciosa FAC Slender Toothwort Cardamine angustata FACU Smooth Blackhaw Viburnum prunifolium FACU Showy Rattlebox Crotalaria spectabilis FACU Slender Water-Milfoil Myriophyllum tenellum OBL Smooth Blue American-Aster Symphyotrichum laeve FACU Showy Tick-Trefoil Desmodium canadense FAC Slender Waternymph Najas gracillima OBL Smooth Brome Bromus inermis UPL Showy Whitetop Rhynchospora nivea FACW Slender Wedgescale Sphenopholis intermedia FAC Smooth Carrion-Flower Smilax herbacea FAC Smooth Crab Grass Digitaria ischaemum UPL Southern Magnolia Magnolia grandiflora FACU Spreading Chervil Chaerophyllum procumbens FACW Smooth Elephant's-Foot Elephantopus nudatus FAC Southern Maidenhair Adiantum capillus-veneris FACU Spreading Dogbane Apocynum androsaemifolium FACU Smooth False Buttonweed Spermacoce glabra FACW Southern Marsh Yellowcress Rorippa teres FACW Spreading Muhly Muhlenbergia expansa FACW Smooth Hawk's-Beard Crepis capillaris UPL Southern Meadow-Rue Thalictrum debile FAC Spreading Sandmat Euphorbia humistrata FAC Smooth Hedge-Nettle Stachys tenuifolia FACW Southern Milkweed Asclepias viridula FACW Spreading Sandwort Arenaria lanuginosa FAC Smooth Joyweed Alternanthera paronychioides OBL Southern Mountain-Cranberry Vaccinium erythrocarpum FAC Spreading Sweetjuice Glinus radiatus FACW Smooth Muhly Muhlenbergia glabrifloris FAC Southern Red Lily Lilium catesbaei FACW Spreading Yellowcress Rorippa sinuata FACW Smooth Oxeye Heliopsis helianthoides FACU Southern Red Oak Quercus falcata FACU Spreading-Sneezeweed Centipeda minima FACU Smooth Phlox Phlox glaberrima FAC Southern Sandburr Cenchrus echinatus UPL Spring Avens Geum vernum FACU Smooth Rattlebox Crotalaria pallida FACU Southern Sedge Carex austrina FACU Spring Blue-Eyed Mary Collinsia verna FAC Smooth Rose Rosa blanda FACU Southern Spicebush Lindera melissifolia OBL Spring Coralroot Corallorhiza wisteriana FAC Smooth Saw-Grass Cladium mariscoides OBL Southern Swamp Grass-Leaf-Aster Eurybia Spring Forget-Me-Not Myosotis verna FAC Smooth Scouring-Rush Equisetum laevigatum FACW paludosa FACW Spring Ladies'-Tresses Spiranthes vernalis FAC Smooth Smartweed Persicaria glabra OBL Southern Twayblade Neottia bifolia FACW Spring Spider-Lily Hymenocallis liriosme OBL Smooth White Violet Viola macloskeyi FACW Southern Water Grass Luziola fluitans OBL Spring-Flowering Goldenrod Solidago verna OBL Smooth Winterberry Ilex laevigata OBL Southern Waxy Sedge Carex glaucescens OBL Spruce Pine Pinus glabra FACW Smooth-Cone Sedge Carex laeviconica OBL Southern White-Top Doellingeria sericocarpoides FACW Square-Stem Spike-Rush Eleocharis quadrangulata OBL Smooth-Sheath Sedge Carex laevivaginata OBL Southern Wood Fern Dryopteris ludoviciana FACW Squarrose Sedge Carex squarrosa FACW Smooth-Twig Gray Willow Salix atrocinerea FACW Southern Woodland Violet Viola hirsutula FACU St. Andrew's-Cross Hypericum hypericoides FACU Smut Grass Sporobolus indicus FACU Southwestern Cosmos Cosmos parviflorus FAC St. Anthony's-Turnip Ranunculus bulbosus FAC Snail-Seed Pondweed Potamogeton bicupulatus OBL Spanishgold Grindelia ciliata FACU St. Augustine Grass Stenotaphrum secundatum FAC Snake-Mouth Orchid Pogonia ophioglossoides OBL Spanish-Moss Tillandsia usneoides UPL St. Lawrence Dewberry Rubus paganus FAC Snow Squarestem Melanthera nivea FACU Spanish-Needles Bidens bipinnata FACU St. Peter's-Wort Hypericum crux-andreae FACU Snow-on-the-Mountain Euphorbia marginata UPL Sparse-Flower Sedge Carex tenuiflora OBL Stalked Bulrush Scirpus pedicellatus OBL Snowy Catchfly Silene nivea FAC Sparse-Lobe Grape Fern Sceptridium biternatum FAC Stalk-Grain Sedge Carex stipata OBL Snowy Orchid Platanthera nivea FACW Spear-Bract Blue-Eyed-Grass Sisyrinchium sagittiferum FACW Stalkless Yellowcress Rorippa sessiliflora OBL Soft Brome Bromus hordeaceus UPL Spearmint Mentha spicata FACW Star Sedge Carex echinata OBL Soft Fox Sedge Carex conjuncta FACW Speckled Alder Alnus incana FACU Star Tickseed Coreopsis pubescens FACU Soft Milk-Pea Galactia mollis FAC Spiderwisp Gynandropsis gynandra FAC Starry False Solomon's-Seal Maianthemum stellatum FACW Soft-Leaf Sedge Carex disperma FACW Spiked Bent Agrostis exarata FACW Steeplebush Spiraea tomentosa FACW Soft-Stem Club-Rush Schoenoplectus tabernaemontani Spiked Crested-Coralroot Hexalectris spicata UPL Stemless Locoweed Oxytropis lambertii FACU OBL Spiked Muhly Muhlenbergia glomerata FACW Sticky False Asphodel Triantha glutinosa OBL Solid-Stem Burnet-Saxifrage Pimpinella saxifraga FACU Spindleroot Ludwigia hirtella OBL Sticky Hedge-Hyssop Gratiola brevifolia FACW Sorrelvine Cissus trifoliata UPL Spineless Hornwort Ceratophyllum echinatum OBL Sticky Mouse-Ear Chickweed Cerastium glomeratum UPL Sour Grass Digitaria insularis FAC Spinulose Wood Fern Dryopteris carthusiana FAC Sticky-Willy Galium aparine FACU Sourwood Oxydendrum arboreum UPL Spiny Amaranth Amaranthus spinosus FACU Stiff Cowbane Oxypolis rigidior OBL South American Skullcap Scutellaria racemosa OBL Spiny Cockleburr Xanthium spinosum FACU Stiff Dogwood Cornus foemina FACW Southeastern Cut-Throat Grass Coleataenia tenera FACW Spiny-Fruit Buttercup Ranunculus muricatus FACW Stiff Marsh Bedstraw Galium tinctorium OBL Southeastern Sneezeweed Helenium pinnatifidum OBL Spiny-Leaf Sow-Thistle Sonchus asper FAC Stiff Spadeleaf Centella erecta FACW Southern Adder's-Tongue Ophioglossum vulgatum FACW Spiny-Spore Quillwort Isoetes echinospora OBL Stiff Yellow Flax Linum medium FACU Southern Amaranth Amaranthus australis OBL Spiral Ditch-Grass Ruppia cirrhosa OBL Stinging Nettle Urtica dioica FACU Southern Appressed Club-Moss Spiral Pondweed Potamogeton spirillus OBL Stink Grass Eragrostis cilianensis FACU Lycopodiella appressa FACW Spiritweed Eryngium foetidum FAC Stinking Camphorweed Pluchea foetida OBL Southern Arrow-Wood Viburnum dentatum FAC Split-Beard Bluestem Andropogon ternarius FACU Stinking Chamomile Anthemis cotula FACU Southern Bald-Cypress Taxodium distichum OBL Spoon Primrose-Willow Ludwigia spathulata OBL Stinking Willie Jacobaea vulgaris UPL Southern Barbara's-Buttons Marshallia ramosa FACU Spoon-Leaf Purple Everlasting Gamochaeta purpurea UPL Stinking-Benjamin Trillium erectum FACU Southern Bayberry Morella cerifera FAC Spoon-Leaf Sundew Drosera intermedia OBL Stipitate Cut-Throat Grass Coleataenia stipitata FACW Southern Beak Sedge Rhynchospora microcarpa FACW Spoon-Shape Arrowhead Sagittaria spathulata OBL Stokes'-Aster Stokesia laevis FAC Southern Bladderwort Utricularia juncea OBL Spotted Beebalm Monarda punctata UPL Stout Rush Juncus nodatus OBL Southern Blue Monkshood Aconitum uncinatum FAC Spotted Crane's-Bill Geranium maculatum FACU Stout Smartweed Persicaria robustior OBL Southern Blueberry Vaccinium formosum OBL Spotted Lady's-Thumb Persicaria maculosa FACW Straggler Daisy Calyptocarpus vialis FAC Southern Bluethread Burmannia capitata OBL Spotted Pondweed Potamogeton pulcher OBL Straight-Leaf Pondweed Potamogeton strictifolius OBL Southern Butterwort Pinguicula primuliflora OBL Spotted Sandmat Euphorbia maculata FACU Strap-Style Gayfeather Liatris ligulistylis FACU Southern Catalpa Catalpa bignonioides FACU Spotted St. John's-Wort Hypericum punctatum FAC Strawberry-Head Clover Trifolium fragiferum FACU Southern Cat-Tail Typha domingensis OBL Spotted Touch-Me-Not Impatiens capensis FACW Straw-Color Flat Sedge Cyperus strigosus FACW Southern Coastal Violet Viola septemloba FACW Spotted Trumpetweed Eutrochium maculatum FACW Stream Bog-Moss Mayaca fluviatilis OBL Southern Crab Grass Digitaria ciliaris FAC Spotted Water-Hemlock Cicuta maculata OBL Streambank Bittercress Cardamine micranthera OBL Southern Cut Grass Leersia hexandra OBL Sprawling Hoary-Pea Tephrosia hispidula FACU Streambank Groundsel Packera pseudaurea FACW Southern Dewberry Rubus trivialis FACU Sprawling Liverseed Grass Urochloa reptans UPL Stretchberry Forestiera pubescens FACU Southern Dwarf Huckleberry Gaylussacia dumosa FAC Spreading Alkali Grass Puccinellia distans OBL Strict Blue-Eyed-Grass Sisyrinchium montanum FAC Southern Fimbry Fimbristylis decipiens FACW Spreading Amaranth Amaranthus crassipes FAC Striped Bladderwort Utricularia striata OBL Southern Lady Fern Athyrium asplenioides FAC Spreading Beak Sedge Rhynchospora divergens OBL Striped Cream Violet Viola striata FACW Southern Lobelia Lobelia amoena OBL Spreading Bent Agrostis stolonifera FACW Striped Maple Acer pensylvanicum FACU Southern Long Sedge Carex lonchocarpa OBL Spreading Bulrush Scirpus divaricatus OBL Suckling Clover Trifolium dubium UPL Sugar Maple Acer saccharum FACU Tall Rattlesnake-Root Nabalus altissimus FACU Tick Quack Grass Thinopyrum pycnanthum FACW Sugar-Berry Celtis laevigata FACW Tall Redtop Tridens flavus FACU Tickweed Arivela viscosa UPL Sugary Quillwort Isoetes saccharata OBL Tall Scouring-Rush Equisetum hyemale FACW Tidal Spike-Rush Eleocharis aestuum OBL Sulphur Cosmos Cosmos sulphureus FACU Tall Thimbleweed Anemone virginiana FACU Tidal-Marsh Amaranth Amaranthus cannabinus OBL Summer Coralroot Corallorhiza maculata FACU Tall Tickseed Coreopsis tripteris FAC Tidal-Marsh Flat Sedge Cyperus serotinus OBL Summer Grape Vitis aestivalis FACU Tall Woodbeauty Drymocallis arguta UPL Tierra del Fuego Dock Rumex fueginus OBL Swamp Bay Persea palustris FACW Tall Yellow-Eyed-Grass Xyris platylepis OBL Tievine Ipomoea cordatotriloba FACU Swamp Blackberry Rubus semisetosus FAC Tansy Dogshade Limnosciadium pinnatum FACW Timothy Canary Grass Phalaris angusta FACW Swamp Chestnut Oak Quercus michauxii FACW Tapered Rosette Grass Dichanthelium acuminatum FAC Tinted Woodland Spurge Euphorbia commutata FACU Swamp Cottonwood Populus heterophylla OBL Taper-Leaf Water-Horehound Lycopus rubellus OBL Tiny Bluet Houstonia pusilla FAC Swamp Deciduous-Doghobble Eubotrys racemosa FACW Taper-Tip Cup Grass Eriochloa acuminata FAC Tiny Mousetail Myosurus minimus FACW Swamp Dock Rumex verticillatus OBL Taper-Tip Flat Sedge Cyperus acuminatus OBL Tiny Vetchling Lathyrus pusillus FAC Swamp Fly-Honeysuckle Lonicera oblongifolia OBL Target Dropseed Sporobolus pyramidatus UPL Tissue Sedge Carex hyalina FACW Swamp Hornpod Mitreola sessilifolia FACW Tar-Heel Sedge Carex pigra FACW Toad Rush Juncus bufonius FACW Swamp Leather-Flower Clematis crispa FACW Tassel Cotton-Grass Eriophorum viridicarinatum OBL Toadshade Trillium sessile UPL Swamp Lousewort Pedicularis lanceolata FACW Tawny Cotton-Grass Eriophorum virginicum OBL Toothache Grass Ctenium aromaticum FACW Swamp Milkweed Asclepias incarnata OBL Teal Love Grass Eragrostis hypnoides OBL Toothachetree Zanthoxylum americanum FACU Swamp Prickle Grass Crypsis schoenoides FACW Ten-Angle Pipewort Eriocaulon decangulare OBL Toothed Dock Rumex dentatus FACU Swamp Red Currant Ribes triste OBL Ten-Lobe False Foxglove Agalinis obtusifolia FACU Toothed Flat Sedge Cyperus dentatus FACW Swamp Rose Rosa palustris OBL Tennessee Pondweed Potamogeton tennesseensis OBL Toothed Medick Medicago polymorpha FACU Swamp Smartweed Persicaria hydropiperoides OBL Tennessee Quillwort Isoetes tennesseensis OBL Torpedo Grass Panicum repens FACW Swamp Sunflower Helianthus angustifolius FACW Tennessee Yellow-Eyed-Grass Xyris tennesseensis OBL Torrey's Beak Sedge Rhynchospora torreyana FACW Swamp Thistle Cirsium muticum OBL Terrestrial Water-Starwort Callitriche terrestris FACW Torrey's Club-Rush Schoenoplectus torreyi OBL Swamp Tupelo Nyssa biflora FACW Texas Bergia Bergia texana OBL Torrey's Rush Juncus torreyi FACW Swamp Wedgescale Sphenopholis pensylvanica OBL Texas Bindweed Convolvulus equitans FACU Tough-Leaf Dogwood Cornus asperifolia FACW Swamp White Oak Quercus bicolor FACW Texas Dropseed Sporobolus texanus FACU Tradescant's American-Aster Symphyotrichum tradescantii FACW Swampcandles Lysimachia terrestris OBL Texas Goldentop Euthamia gymnospermoides FAC Trailing Fuzzy-Bean Strophostyles helvola FACU Swamp-Forest Beak Sedge Rhynchospora decurrens OBL Texas Ironweed Vernonia texana FACU Trailing Pearlwort Sagina decumbens FAC Swamp-Loosestrife Decodon verticillatus OBL Texas Pipewort Eriocaulon texense OBL Trailing White Monkshood Aconitum reclinatum FAC Swamp-Pink Helonias bullata OBL Texas Pseudosaxifrage Micranthes texana FAC Trailing Yellow-Loosestrife Lysimachia radicans OBL Swan's Sedge Carex swanii FACU Texas Red Oak Quercus texana OBL Trans-Pecos Cliffbrake Pellaea ternifolia FACU Swaying Club-Rush Schoenoplectus subterminalis OBL Texas Sunnybell Schoenolirion wrightii OBL Tree Blackberry Rubus probabilis FACU Sweet Autumn Virgin's-Bower Clematis terniflora FACU Texas Tickseed Coreopsis linifolia FACW Tree Sparkle-Berry Vaccinium arboreum FACU Sweet Basil Ocimum basilicum UPL Texas-Star Sabatia campestris FACU Tree Tobacco Nicotiana glauca FAC Sweet Birch Betula lenta FACU Tex-Mex Tobacco Nicotiana plumbaginifolia FAC Tree-of-Heaven Ailanthus altissima FACU Sweet Cherry Prunus avium UPL Thalia Love Grass Eragrostis atrovirens FAC Triangle Water Fern Ceratopteris richardii OBL Sweet Coneflower Rudbeckia subtomentosa FAC Thicket Sedge Carex abscondita FAC Triangular-Valved Dock Rumex triangulivalvis FACW Sweet Pitcherplant Sarracenia rubra OBL Thicket-Creeper Parthenocissus inserta FACU Tropical Flat Sedge Cyperus surinamensis FACW Sweet Shaggytuft Stenandrium dulce FACW Thick-Leaf Phlox Phlox carolina FACU Tropical Liverseed Grass Urochloa distachya FACU Sweet White Violet Viola blanda FACW Thick-Leaf Water-Willow Justicia crassifolia OBL Tropical Pokeweed Phytolacca icosandra FACU Sweet Wood-Reed Cinna arundinacea FACW Thin-Fruit Sedge Carex flaccosperma FAC Tropical Water-Hyssop Bacopa innominata OBL Sweet-Bay Magnolia virginiana FACW Thin-Leaf Sedge Carex cephaloidea FAC Tropical White Morning-Glory Ipomoea alba FAC Sweetbrier Rosa rubiginosa UPL Thin-Leaf Sunflower Helianthus decapetalus FACU Tropical Whiteweed Ageratum conyzoides FACU Sweetgale Myrica gale OBL Thread Rush Juncus filiformis FACW Troublesome Sedge Carex molesta FAC Sweet-Gum Liquidambar styraciflua FAC Thread-Leaf Beak Sedge Rhynchospora filifolia FAC True Forget-Me-Not Myosotis scorpioides OBL Sweetscent Pluchea odorata FACW Thread-Leaf Sundew Drosera filiformis OBL True Quillwort Isoetes valida OBL Sweet-Scented Joe-Pye-Weed Eutrochium purpureum FAC Thread-Leaf Water-Crowfoot Ranunculus trichophyllus OBL Trumpet Honeysuckle Lonicera sempervirens FACU Switch Cane Arundinaria tecta FACW Thread-Stem Carpetweed Mollugo cerviana FAC Trumpet-Creeper Campsis radicans FAC Swollen Bladderwort Utricularia inflata OBL Three-Angle Spike-Rush Eleocharis tricostata OBL Trumpetweed Eutrochium fistulosum FACW Sword Bogmat Wolffiella gladiata OBL Threebirds Triphora trianthophoros UPL Tuberous Club-Rush Schoenoplectus glaucus OBL Tall Beggarticks Bidens vulgata FAC Three-Leaf False Solomon's-Seal Tuberous Grass-Pink Calopogon tuberosus FACW Tall Buttercup Ranunculus acris FAC Maianthemum trifolium OBL Tuckerman's Pondweed Potamogeton confervoides OBL Tall Cotton-Grass Eriophorum angustifolium OBL Three-Leaf Goldthread Coptis trifolia FACW Tuckerman's Quillwort Isoetes tuckermanii OBL Tall Elephant's-Foot Elephantopus elatus FACU Three-Lobe Beggarticks Bidens tripartita FACW Tuckerman's Sedge Carex tuckermanii OBL Tall False Foxglove Agalinis aspera FACU Three-Lobe Buttercup Ranunculus trilobus FAC Tufted Hair Grass Deschampsia caespitosa FACW Tall False Rye Grass Schedonorus arundinaceus FACU Three-Lobe False Mallow Malvastrum coromandelianum FACU Tufted Leafless-Bulrush Trichophorum caespitosum OBL Tall Flat Sedge Cyperus eragrostis FACW Three-Lobe Violet Viola palmata FACU Tufted Meadow-Foxtail Alopecurus carolinianus FACW Tall Goldenrod Solidago altissima FACU Three-Petal Bedstraw Galium trifidum FACW Tufted Yellow-Loosestrife Lysimachia thyrsiflora OBL Tall Hairy Grooveburr Agrimonia gryposepala FACU Three-Seed Sedge Carex trisperma OBL Tuliptree Liriodendron tulipifera FACU Tall Hedge-Mustard Sisymbrium altissimum FACU Three-Square Schoenoplectus pungens OBL Tumbleweed Amaranthus albus FACU Tall Horned Beak Sedge Rhynchospora macrostachya OBL Three-Way Sedge Dulichium arundinaceum OBL Tumbling Orache Atriplex rosea FACU Tall Ironweed Vernonia angustifolia FACU Thyme-Leaf Bluet Houstonia serpyllifolia FAC Tundra Alkali Grass Puccinellia tenella FACW Tall Oat Grass Arrhenatherum elatius FACU Thyme-Leaf Sandwort Arenaria serpyllifolia FAC Turion Duckweed Lemna turionifera OBL Tall Pine-Barren Milkwort Polygala cymosa OBL Thyme-Leaf Speedwell Veronica serpyllifolia FAC Turkey-Berry Solanum torvum FACU Turkey-Tangle Phyla nodiflora FACW Virginia Strawberry Fragaria virginiana FACU West Indian Shrub-Verbena Lantana urticoides FACU Turk's-Cap Lily Lilium superbum FACW Virginia Sweetspire Itea virginica OBL Western Bottle-Brush Grass Elymus elymoides FACU Tussock Cotton-Grass Eriophorum vaginatum OBL Virginia Thistle Cirsium virginianum FACW Western Dock Rumex occidentalis OBL Twining Screwstem Bartonia paniculata OBL Virginia Three-Seed-Mercury Acalypha virginica FACU Western Ironweed Vernonia baldwinii UPL Twinsisters Lonicera tatarica FACU Virginia Water-Horehound Lycopus virginicus OBL Western Lake Quillwort Isoetes lacustris OBL Twisted Sedge Carex torta FACW Virginia Wild Rye Elymus virginicus FACW Western Poison Ivy Toxicodendron rydbergii FAC Twisted Spike-Rush Eleocharis tortilis FACW Virginia Winged Rockcress Planodes virginicum UPL Western Rock-Jasmine Androsace occidentalis FACU Two-Flower Dwarf-Dandelion Krigia biflora FACU Virginia-Creeper Parthenocissus quinquefolia FACU Western Snowberry Symphoricarpos occidentalis UPL Two-Leaf Bishop's-Cap Mitella diphylla FACU Virginia-Snakeroot Endodeca serpentaria UPL Western Thimble-Berry Rubus parviflorus FACU Two-Leaf Water-Milfoil Myriophyllum heterophyllum OBL Viviparous Spike-Rush Eleocharis vivipara OBL Western Umbrella Sedge Fuirena simplex OBL Two-Wing Silverbell Halesia diptera FAC Wall Barley Hordeum murinum UPL Western Waterweed Elodea nuttallii OBL Umbrella Flat Sedge Cyperus diandrus FACW Wall Bedstraw Galium parisiense FACU Western-Wheat Grass Pascopyrum smithii UPL Umbrella Magnolia Magnolia tripetala FACU Walter's American-Aster Symphyotrichum walteri FAC Wet-Thicket Dewberry Rubus tardatus FAC Upland Bent Agrostis perennans FACU Walter's Sedge Carex striata OBL Wheat Sedge Carex atherodes OBL Upland Blackberry Rubus pergratus FACU Wand Goldenrod Solidago stricta FACW Wheeler's Blackberry Rubus wheeleri FACW Upland Cotton Gossypium hirsutum FACU Wand Panic Grass Panicum virgatum FAC Whip Nut-Rush Scleria triglomerata FAC Upland Highbush Blueberry Vaccinium simulatum FACU Ware's Hair Sedge Bulbostylis warei FACU Whiplash Dewberry Rubus flagellaris FACU Upland Swamp-Privet Forestiera ligustrina FAC Wart-Removing-Herb Murdannia keisak OBL Whip-Poor-Will-Flower Trillium cernuum FACW Upright Burrhead Echinodorus berteroi OBL Warty Panic Grass Panicum verrucosum FACW Whisk Fern Psilotum nudum FACU Upright Yellow Wood-Sorrel Oxalis stricta FACU Warty Sedge Carex verrucosa OBL White Adder's-Mouth Orchid Malaxis monophyllos FACW Uptight Sedge Carex stricta OBL Warty Spurge Euphorbia spathulata FACU White Arrow-Arum Peltandra sagittifolia OBL Vahl's Fimbry Fimbristylis vahlii OBL Washington Hawthorn Crataegus phaenopyrum FAC White Ash Fraxinus americana FACU Valley Redstem Ammannia coccinea OBL Water Dawnflower Stylisma aquatica FACW White Avens Geum canadense FACU Variable Blackberry Rubus multiformis FAC Water Hickory Carya aquatica OBL White Baneberry Actaea pachypoda UPL Variable Flat Sedge Cyperus difformis OBL Water Horsetail Equisetum fluviatile OBL White Beak Sedge Rhynchospora alba OBL Variable Rosette Grass Dichanthelium commutatum FACU Water Lobelia Lobelia dortmanna OBL White Bedstraw Galium mollugo FACU Variable Sedge Carex polymorpha FACU Water Manna Grass Glyceria fluitans OBL White Bergamot Monarda clinopodia FACU Variable-Leaf Sunflower Helianthus heterophyllus OBL Water Mint Mentha aquatica FACW White Blue-Eyed-Grass Sisyrinchium albidum FAC Variable-Leaf Yellowcress Rorippa indica FACW Water Oak Quercus nigra FAC White Clover Trifolium repens FACU Variegated Scouring-Rush Equisetum variegatum FACW Water Pygmyweed Crassula aquatica OBL White Colicroot Aletris farinosa FAC Vasey's Grass Paspalum urvillei FAC Water Smartweed Persicaria amphibia OBL White Crownbeard Verbesina virginica UPL Vasey's Pondweed Potamogeton vaseyi OBL Water Tupelo Nyssa aquatica OBL White Doll's Daisy Boltonia asteroides FACW Vasey's Rush Juncus vaseyi FACW Water-Celery Oenanthe javanica OBL White Featherling Tofieldia glabra FACW Veiny Dock Rumex venosus FAC Water-Chestnut Trapa natans OBL White Fluff Grass Tridens albescens FAC Veiny Skullcap Scutellaria nervosa FAC Watercress Nasturtium officinale OBL White Fringed Orchid Platanthera blephariglottis OBL Veiny Vetchling Lathyrus venosus FACW Water-Dragon Calla palustris OBL White Fringeless Orchid Platanthera integrilabia OBL Velvet Bent Agrostis canina FACU Water-Grass Bulbostylis barbata FAC White Fringetree Chionanthus virginicus FAC Velvetleaf Abutilon theophrasti UPL Water-Lettuce Pistia stratiotes OBL White Ginger-Lily Hedychium coronarium FAC Velvet-Leaf Blueberry Vaccinium myrtilloides FACW Water-Locust Gleditsia aquatica OBL White Grass Leersia virginica FACW Velvetweed Oenothera curtiflora UPL Watermelon Citrullus lanatus UPL White Heath American-Aster Symphyotrichum ericoides FACU Venus' Flytrap Dionaea muscipula FACW Water-Plantain Spearwort Ranunculus ambigens OBL White Horehound Marrubium vulgare UPL Vernal Water-Starwort Callitriche palustris OBL Waterpod Hydrolea quadrivalvis OBL White Meadowsweet Spiraea alba FACW Vine-Mesquite Hopia obtusa FACW Water-Purslane Didiplis diandra OBL White Moth Mullein Verbascum blattaria UPL Violet Crab Grass Digitaria violascens FAC Watershield Brasenia schreberi OBL White Mulberry Morus alba UPL Virginia Bluebells Mertensia virginica FACW Water-Spangles Salvinia minima OBL White Nodding Ladies'-Tresses Spiranthes cernua FACW Virginia Blueflag Iris virginica OBL Water-Spider False Rein Orchid Habenaria White Oldfield American-Aster Symphyotrichum pilosum FAC Virginia Bunchflower Veratrum virginicum FACW repens OBL White Panicled American-Aster Symphyotrichum lanceolatum FACW Virginia Buttonweed Diodia virginiana FACW Waterthread Potamogeton diversifolius OBL White Rattlesnake-Root Nabalus albus FACU Virginia Chain Fern Woodwardia virginica OBL Water-Thyme Hydrilla verticillata OBL White Sagebrush Artemisia ludoviciana UPL Virginia Dayflower Commelina virginica FACW Wavy Hair Grass Deschampsia flexuosa FACU White Snakeroot Ageratina altissima FACU Virginia Dwarf-Dandelion Krigia virginica UPL Wavy Waternymph Najas flexilis OBL White Spike-Rush Eleocharis albida OBL Virginia Fanpetals Sida hermaphrodita FAC Wavy-Leaf Thistle Cirsium undulatum FAC White Spruce Picea glauca FACU Virginia Fen-Rose Kosteletzkya pentacarpos OBL Wax-Mallow Malvaviscus arboreus UPL White Sunnybell Schoenolirion albiflorum FACW Virginia Goldenrod Solidago gracillima OBL Waxy Manna Grass Glyceria declinata FACW White Turtlehead Chelone glabra OBL Virginia Heartleaf Hexastylis virginica FACU Waxy-Leaf Meadow-Rue Thalictrum revolutum FAC White Vervain Verbena urticifolia FAC Virginia Joint-Vetch Aeschynomene virginica OBL Weak Rush Juncus debilis OBL White Walnut Juglans cinerea FACU Virginia Meadowsweet Spiraea virginiana FACU Weak Stellate Sedge Carex seorsa FACW White Wild Indigo Baptisia alba FACU Virginia Mountain-Mint Pycnanthemum virginianum FAC Weak-Stalk Club-Rush Schoenoplectus purshianus OBL White Willow Salix alba FACW Virginia Quillwort Isoetes virginica OBL Wedgeleaf Phyla cuneifolia FAC White-Edge Flat Sedge Cyperus flavicomus FAC Virginia Rose Rosa virginiana FAC Wedge-Leaf Orache Atriplex truncata FACU White-Edge Sedge Carex debilis FAC Virginia Sneezeweed Helenium virginicum OBL Weedy Dwarf-Dandelion Krigia caespitosa FAC White-Head Bogbutton Lachnocaulon anceps OBL Virginia Spiderwort Tradescantia virginiana FACU Welsh Mudwort Limosella australis OBL White-Leaf Leather-Flower Clematis glaucophylla FAC Virginia Springbeauty Claytonia virginica FAC West Indian Dwarf-Polypody Micropolypodium nimbatum OBL White-Leaf Mountain-Mint Pycnanthemum albescens UPL Virginia St. John's-Wort Hypericum virginicum OBL West Indian Meadow-Beauty Rhexia cubensis FACW White-Mouth Dayflower Commelina erecta FAC White-Mustard Sinapis alba FAC Woodland Strawberry Fragaria vesca FACU Yellow-Fruit Horse-Gentian Triosteum angustifolium FAC Whitenymph Trepocarpus aethusae FACW Woodrush Flat Sedge Cyperus entrerianus FACW Yellow-Fruit Sedge Carex annectens FACW White-Root Rush Juncus brachycarpus FACW Woodvamp Decumaria barbara OBL Yellow-Green Sedge Carex flava OBL Whitesnow Drymaria cordata FAC Woody Saltwort Salicornia depressa OBL Yellow-Hatpins Syngonanthus flavidulus FACW Whitestar Ipomoea lacunosa FACW Woody-Goldenrod Chrysoma pauciflosculosa FAC Yellow-Seed False Pimpernel Lindernia dubia OBL White-Stem Pondweed Potamogeton praelongus OBL Woolly Chaffhead Carphephorus tomentosus FACW Zigzag Bladderwort Utricularia subulata OBL White-Tinge Sedge Carex albicans UPL Woolly Fimbry Fimbristylis tomentosa FACW Zigzag Goldenrod Solidago flexicaulis FACU White-Top Pitcherplant Sarracenia leucophylla OBL Woolly Groundsel Packera tomentosa FACU Zigzag Iris Iris brevicaulis OBL Whitewicky Kalmia cuneata FACW Woolly Pipevine Isotrema tomentosum FAC Whorled Marsh-Pennywort Hydrocotyle verticillata OBL Woolly Rosette Grass Dichanthelium scabriusculum OBL Whorled Milkweed Asclepias verticillata FACU Woolly Sedge Carex pellita OBL Whorled Milkwort Polygala verticillata UPL Woolly Sunbonnets Chaptalia tomentosa FACW Whorled Mountain-Mint Pycnanthemum verticillatum FAC Woolly-Fruit Sedge Carex lasiocarpa OBL Whorled Nodding-Aster Oclemena acuminata FACU Worm-Seed Wallflower Erysimum cheiranthoides FAC Whorled Sunflower Helianthus verticillatus OBL Woundwort Stachys palustris OBL Whorled Water-Milfoil Myriophyllum verticillatum OBL Wreath Goldenrod Solidago caesia FACU Whorled Yellow-Loosestrife Lysimachia quadrifolia FACU Wright's Beak Sedge Rhynchospora wrightiana OBL Widow Sedge Carex basiantha FACW Wright's Morning-Glory Ipomoea wrightii FACW Widow's-Cross Sedum pulchellum FACU Wright's Rabbit-Tobacco Pseudognaphalium canescens FACU Wiegand's Sedge Carex wiegandii OBL Wright's Spike-Rush Eleocharis diandra FACW Wiegand's Wild Rye Elymus wiegandii FAC Wrinkled Joint-Tail Grass Coelorachis rugosa OBL Wild Black Currant Ribes americanum FACW Wrinkle-Leaf Goldenrod Solidago rugosa FAC Wild Blue Lettuce Lactuca biennis FACU Wych Elm Ulmus glabra UPL Wild Blue Phlox Phlox divaricata FACU Yankeeweed Eupatorium compositifolium FAC Wild Bush-Bean Macroptilium lathyroides FACU Yard Knotweed Polygonum aviculare FACU Wild Chives Allium schoenoprasum FACU Yaupon Ilex vomitoria FAC Wild Cow-Pea Vigna luteola FACW Yaupon Black-Senna Seymeria cassioides FAC Wild Cucumber Echinocystis lobata FAC Yellow Anisetree Illicium parviflorum FACW Wild Hydrangea Hydrangea arborescens FACU Yellow Asphodel Narthecium americanum FACW Wild Sarsaparilla Aralia nudicaulis FACU Yellow Avens Geum aleppicum FAC Wild Sweetwilliam Phlox maculata FACW Yellow Birch Betula alleghaniensis FAC Wild Yam Dioscorea villosa FAC Yellow Bluebead-Lily Clintonia borealis FAC Willdenow's Sedge Carex willdenowii UPL Yellow Bractspike Yeatesia viridiflora FACW Willow Oak Quercus phellos FAC Yellow Bristle Grass Setaria pumila FAC Willow-Leaf American-Aster Symphyotrichum praealtum FACW Yellow Buckeye Aesculus flava FACU Willow-Leaf Lettuce Lactuca saligna UPL Yellow Butterwort Pinguicula lutea FACW Willow-Leaf Meadowsweet Spiraea salicifolia FACW Yellow Colicroot Aletris lutea FACW Wine Raspberry Rubus phoenicolasius FACU Yellow Coralroot Corallorhiza trifida FACW Wing-Angle Loosestrife Lythrum alatum FACW Yellow Crownbeard Verbesina occidentalis FACU Winged Elm Ulmus alata FACU Yellow Flat Sedge Cyperus flavescens OBL Winged Sumac Rhus copallinum FACU Yellow Floatingheart Nymphoides peltata OBL Winged-Pigweed Cycloloma atriplicifolium FACU Yellow Fringed Orchid Platanthera ciliaris FACW Wing-Leaf Primrose-Willow Ludwigia decurrens OBL Yellow Fringeless Orchid Platanthera integra OBL Wing-Leaf Soapberry Sapindus saponaria FACU Yellow Fumewort Corydalis flavula FACU Wing-Pod Purslane Portulaca umbraticola FAC Yellow Gentian Gentiana alba FACU Wingstem Verbesina alternifolia FAC Yellow Giant-Hyssop Agastache nepetoides FACU Winter Bent Agrostis hyemalis FAC Yellow Glandweed Parentucellia viscosa FAC Wire-Leaf Dropseed Sporobolus teretifolius FACW Yellow Indian Grass Sorghastrum nutans FACU Wire-Stem Muhly Muhlenbergia frondosa FAC Yellow Lady's-Slipper Cypripedium parviflorum FACW Wiry Panic Grass Panicum flexile FACU Yellow Marsh-Marigold Caltha palustris OBL Wolf's Spike-Rush Eleocharis wolfii OBL Yellow Meadow-Beauty Rhexia lutea FACW Wood Lily Lilium philadelphicum FACU Yellow Pitcherplant Sarracenia flava OBL Woodland Bittercress Cardamine flexuosa FAC Yellow Pond-Lily Nuphar advena OBL Woodland Blue Grass Poa sylvestris FACW Yellow Puff Neptunia lutea FACU Woodland Bulrush Scirpus expansus OBL Yellow Scorpion-Grass Myosotis discolor UPL Woodland Flax Linum virginianum FACU Yellow Screwstem Bartonia virginica FACW Woodland Forget-Me-Not Myosotis sylvatica UPL Yellow Spike-Rush Eleocharis flavescens OBL Woodland Grooveburr Agrimonia striata FACU Yellow Sunnybell Schoenolirion croceum OBL Woodland Horsetail Equisetum sylvaticum FACW Yellow Sweet-Clover Melilotus officinalis FACU Woodland Lettuce Lactuca floridana FACU Yellow Thistle Cirsium horridulum FACU Woodland Muhly Muhlenbergia sylvatica FAC Yellow Trout-Lily Erythronium rostratum UPL Woodland Ragwort Senecio sylvaticus UPL Yellow Wide-Lip Orchid Liparis loeselii FACW Woodland Rush Juncus subcaudatus OBL Yellowdicks Helenium amarum FACU Woodland Stonecrop Sedum ternatum FACU Yellow-Flower Knotweed Polygonum ramosissimum FAC