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About the Advanced Search and Download Scientific Name Review Selections or Sort Report State Search Advanced Search Advanced Search Report Search Help Click on an accepted name below to view its PLANTS Profile with all synonyms, distribution map, more information, and web links if available. If shown, synonyms are indented beneath accepted counterparts. Click on a column header to learn about that category. Click on the Download link at the top right of the page to download a comma delimited text version of this data to use in another application or database. Alternative Crops Characteristics Scientific Name Common Name Family Growth Habit Abies balsamea balsam fir Pinaceae Tree Classification Acalypha gracilens slender threeseed mercury Euphorbiaceae Forb/herb Cover Crops Acalypha ostryifolia pineland threeseed mercury Euphorbiaceae Forb/herb Culturally Significant Acalypha poiretii Poiret's copperleaf Euphorbiaceae Forb/herb, Distribution Update Subshrub Documentation Acalypha rhomboidea common threeseed mercury Euphorbiaceae Forb/herb Fact Sheets & Plant Acalypha virginica Virginia threeseed mercury Euphorbiaceae Forb/herb Guides Introduced, Invasive, and Acer negundo boxelder Aceraceae Tree Noxious Plants Acer negundo var. negundo boxelder Aceraceae Tree Threatened & Endangered Acer negundo var. violaceum boxelder Aceraceae Tree Wetland Indicator Status Acer nigrum black maple Aceraceae Tree Acer pensylvanicum striped maple Aceraceae Tree, Shrub Acer rubrum red maple Aceraceae Tree

50,000+ Plant Images Acer rubrum var. drummondii Drummond's maple Aceraceae Tree Acer rubrum var. rubrum red maple Aceraceae Tree Acer rubrum var. trilobum red maple Aceraceae Tree Acer saccharinum silver maple Aceraceae Tree Complete PLANTS Checklist Acer saccharum sugar maple Aceraceae Tree, Shrub State PLANTS Checklist Acer saccharum var. saccharum sugar maple Aceraceae Tree Advanced Search Acer spicatum mountain maple Aceraceae Tree, Shrub Download Symbols for Unknown Achillea millefolium common yarrow Asteraceae Forb/herb Plants Achillea millefolium var. occidentalis western yarrow Asteraceae Forb/herb NRCS State GSAT Lists Acorus americanus sweetflag Acoraceae Forb/herb NRCS State Plants Lists Actaea ×ludovici baneberry Ranunculaceae Forb/herb

Actaea pachypoda white baneberry Ranunculaceae Forb/herb Actaea racemosa black baneberry Ranunculaceae Forb/herb

Crop Nutrient Tool Actaea racemosa var. racemosa black bugbane Ranunculaceae Forb/herb Ecological Site Actaea rubra red baneberry Ranunculaceae Forb/herb Information System Actaea rubra ssp. rubra red baneberry Ranunculaceae Forb/herb PLANTS Identification Adiantum pedatum northern maidenhair Pteridaceae Forb/herb Keys Plant Materials Web Site Adlumia fungosa allegheny vine Fumariaceae Vine, Forb/herb Plant Materials Aeschynomene virginica Virginia jointvetch Fabaceae Forb/herb Publications Aesculus flava yellow buckeye Hippocastanaceae Tree, Shrub USDA Plant Hardiness Map Aesculus glabra Ohio buckeye Hippocastanaceae Tree Aesculus glabra var. glabra Ohio buckeye Hippocastanaceae Tree Aesculus parviflora bottlebrush buckeye Hippocastanaceae Tree, Shrub Agalinis auriculata earleaf false foxglove Scrophulariaceae Forb/herb Agalinis fasciculata beach false foxglove Scrophulariaceae Forb/herb Agalinis maritima saltmarsh false foxglove Scrophulariaceae Forb/herb Agalinis maritima var. maritima saltmarsh false foxglove Scrophulariaceae Forb/herb Agalinis paupercula smallflower false foxglove Scrophulariaceae Forb/herb Agalinis paupercula var. paupercula smallflower false foxglove Scrophulariaceae Forb/herb Agalinis purpurea purple false foxglove Scrophulariaceae Forb/herb Agalinis setacea threadleaf false foxglove Scrophulariaceae Forb/herb Agalinis tenuifolia slenderleaf false foxglove Scrophulariaceae Forb/herb Agalinis tenuifolia var. tenuifolia slenderleaf false foxglove Scrophulariaceae Forb/herb Agastache foeniculum blue giant hyssop Lamiaceae Subshrub, Forb/herb Agastache nepetoides yellow giant hyssop Lamiaceae Subshrub, Forb/herb Agastache scrophulariifolia purple giant hyssop Lamiaceae Subshrub, Forb/herb Ageratina altissima white snakeroot Asteraceae Forb/herb Ageratina altissima var. altissima white snakeroot Asteraceae Forb/herb Ageratina aromatica lesser snakeroot Asteraceae Forb/herb Ageratina aromatica var. aromatica lesser snakeroot Asteraceae Forb/herb Agrimonia gryposepala tall hairy agrimony Rosaceae Forb/herb Agrimonia microcarpa smallfruit agrimony Rosaceae Forb/herb Agrimonia parviflora harvestlice Rosaceae Forb/herb Agrimonia pubescens soft agrimony Rosaceae Forb/herb Agrimonia rostellata beaked agrimony Rosaceae Forb/herb Agrimonia striata roadside agrimony Rosaceae Forb/herb Agrostis canina velvet bentgrass Poaceae Graminoid Agrostis hyemalis winter bentgrass Poaceae Graminoid Agrostis perennans upland bentgrass Poaceae Graminoid Agrostis scabra rough bentgrass Poaceae Graminoid Aletris farinosa white colicroot Liliaceae Forb/herb Alisma subcordatum American water plantain Alismataceae Forb/herb Alisma triviale northern water plantain Alismataceae Forb/herb Allium burdickii narrowleaf wild leek Liliaceae Forb/herb Allium canadense meadow garlic Liliaceae Forb/herb Allium canadense var. canadense meadow garlic Liliaceae Forb/herb Allium cernuum nodding onion Liliaceae Forb/herb Allium schoenoprasum wild chives Liliaceae Forb/herb Allium schoenoprasum var. sibiricum wild chives Liliaceae Forb/herb Allium tricoccum ramp Liliaceae Forb/herb Alnus incana gray alder Betulaceae Tree, Shrub Alnus incana ssp. rugosa speckled alder Betulaceae Tree, Shrub Alnus serrulata hazel alder Betulaceae Tree, Shrub Alopecurus aequalis shortawn foxtail Poaceae Graminoid Alopecurus aequalis var. aequalis shortawn foxtail Poaceae Graminoid Alopecurus carolinianus Carolina foxtail Poaceae Graminoid Alternanthera paronychioides smooth joyweed Amaranthaceae Forb/herb Alternanthera paronychioides var. paronychioides smooth joyweed Amaranthaceae Forb/herb Amaranthus arenicola sandhill amaranth Amaranthaceae Forb/herb Amaranthus cannabinus tidalmarsh amaranth Amaranthaceae Forb/herb Amaranthus hybridus slim amaranth Amaranthaceae Forb/herb Amaranthus palmeri carelessweed Amaranthaceae Forb/herb Amaranthus powellii Powell's amaranth Amaranthaceae Forb/herb Amaranthus powellii ssp. powellii Powell's amaranth Amaranthaceae Forb/herb Amaranthus pumilus seaside amaranth Amaranthaceae Forb/herb Amaranthus retroflexus redroot amaranth Amaranthaceae Forb/herb Amaranthus spinosus spiny amaranth Amaranthaceae Forb/herb Amaranthus tuberculatus roughfruit amaranth Amaranthaceae Forb/herb Ambrosia artemisiifolia annual ragweed Asteraceae Forb/herb Ambrosia artemisiifolia var. artemisiifolia annual ragweed Asteraceae Forb/herb Ambrosia bidentata lanceleaf ragweed Asteraceae Forb/herb Ambrosia psilostachya Cuman ragweed Asteraceae Forb/herb Ambrosia trifida great ragweed Asteraceae Subshrub, Forb/herb Ambrosia trifida var. trifida great ragweed Asteraceae Subshrub, Forb/herb Amelanchier arborea common serviceberry Rosaceae Tree, Shrub Amelanchier arborea var. arborea common serviceberry Rosaceae Tree, Shrub Amelanchier canadensis Canadian serviceberry Rosaceae Tree, Shrub Amelanchier humilis low serviceberry Rosaceae Shrub Amelanchier ×intermedia serviceberry Rosaceae Tree Amelanchier laevis Allegheny serviceberry Rosaceae Tree, Shrub Amelanchier nantucketensis Nantucket serviceberry Rosaceae Shrub Amelanchier obovalis coastal serviceberry Rosaceae Shrub Amelanchier sanguinea roundleaf serviceberry Rosaceae Tree, Shrub Amelanchier sanguinea var. sanguinea roundleaf serviceberry Rosaceae Tree, Shrub Amelanchier stolonifera running serviceberry Rosaceae Shrub Amianthium muscitoxicum flypoison Liliaceae Forb/herb Ammannia coccinea valley redstem Lythraceae Forb/herb, Subshrub Ammannia latifolia pink redstem Lythraceae Forb/herb, Subshrub Ammannia robusta grand redstem Lythraceae Forb/herb Ammophila breviligulata American beachgrass Poaceae Graminoid Amorpha fruticosa false indigo bush Fabaceae Shrub Amphicarpaea bracteata American hogpeanut Fabaceae Vine, Forb/herb Amphicarpaea bracteata var. bracteata American hogpeanut Fabaceae Forb/herb, Vine Amphicarpaea bracteata var. comosa American hogpeanut Fabaceae Forb/herb, Vine Amphicarpum purshii blue maidencane Poaceae Graminoid Amsonia tabernaemontana eastern bluestar Apocynaceae Forb/herb Amsonia tabernaemontana var. tabernaemontana eastern bluestar Apocynaceae Forb/herb Anaphalis margaritacea western pearly everlasting Asteraceae Forb/herb Andromeda polifolia bog rosemary Ericaceae Subshrub, Shrub Andromeda polifolia var. glaucophylla bog rosemary Ericaceae Subshrub, Shrub Andropogon capillipes chalky bluestem Poaceae Graminoid Andropogon gerardii big bluestem Poaceae Graminoid Andropogon glomeratus bushy bluestem Poaceae Graminoid Andropogon glomeratus var. glomeratus bushy bluestem Poaceae Graminoid Andropogon glomeratus var. hirsutior bushy bluestem Poaceae Graminoid Andropogon gyrans Elliott's bluestem Poaceae Graminoid Andropogon gyrans var. gyrans Elliott's bluestem Poaceae Graminoid Andropogon ternarius splitbeard bluestem Poaceae Graminoid Andropogon ternarius var. ternarius splitbeard bluestem Poaceae Graminoid Andropogon virginicus broomsedge bluestem Poaceae Graminoid Andropogon virginicus var. virginicus broomsedge bluestem Poaceae Graminoid Anemone canadensis Canadian anemone Ranunculaceae Forb/herb Anemone cylindrica candle anemone Ranunculaceae Forb/herb Anemone quinquefolia wood anemone Ranunculaceae Forb/herb Anemone quinquefolia var. quinquefolia nightcaps Ranunculaceae Forb/herb Anemone virginiana tall thimbleweed Ranunculaceae Forb/herb Anemone virginiana var. alba tall thimbleweed Ranunculaceae Forb/herb Anemone virginiana var. virginiana tall thimbleweed Ranunculaceae Forb/herb Angelica atropurpurea purplestem angelica Apiaceae Forb/herb Angelica venenosa hairy angelica Apiaceae Forb/herb Anoda cristata crested anoda Malvaceae Forb/herb Antennaria howellii Howell's pussytoes Asteraceae Forb/herb Antennaria howellii ssp. canadensis Canadian pussytoes Asteraceae Forb/herb Antennaria howellii ssp. neodioica Howell's pussytoes Asteraceae Forb/herb Antennaria howellii ssp. petaloidea small pussytoes Asteraceae Forb/herb Antennaria neglecta field pussytoes Asteraceae Forb/herb Antennaria parlinii Parlin's pussytoes Asteraceae Forb/herb Antennaria parlinii ssp. fallax Parlin's pussytoes Asteraceae Forb/herb Antennaria parlinii ssp. parlinii Parlin's pussytoes Asteraceae Forb/herb Antennaria plantaginifolia woman's tobacco Asteraceae Forb/herb Antennaria solitaria singlehead pussytoes Asteraceae Forb/herb Apios americana groundnut Fabaceae Vine, Forb/herb Aplectrum hyemale Adam and Eve Orchidaceae Forb/herb Apocynum androsaemifolium spreading dogbane Apocynaceae Forb/herb Apocynum cannabinum Indianhemp Apocynaceae Forb/herb Apocynum ×floribundum Apocynaceae Forb/herb Aquilegia canadensis red columbine Ranunculaceae Forb/herb Arabis canadensis sicklepod Brassicaceae Forb/herb Arabis drummondii Drummond's rockcress Brassicaceae Forb/herb Arabis glabra tower rockcress Brassicaceae Forb/herb Arabis hirsuta hairy rockcress Brassicaceae Forb/herb Arabis hirsuta var. pycnocarpa creamflower rockcress Brassicaceae Forb/herb Arabis laevigata smooth rockcress Brassicaceae Forb/herb Arabis laevigata var. laevigata smooth rockcress Brassicaceae Forb/herb Arabis lyrata lyrate rockcress Brassicaceae Forb/herb Aralia hispida bristly sarsaparilla Araliaceae Subshrub, Forb/herb Aralia nudicaulis wild sarsaparilla Araliaceae Subshrub, Forb/herb Aralia racemosa American spikenard Araliaceae Subshrub, Forb/herb Aralia racemosa ssp. racemosa American spikenard Araliaceae Subshrub, Forb/herb Aralia spinosa devil's walkingstick Araliaceae Tree, Shrub Arceuthobium pusillum eastern dwarf mistletoe Viscaceae Subshrub, Shrub Arctostaphylos uva-ursi kinnikinnick Ericaceae Subshrub, Shrub Arethusa bulbosa dragon's mouth Orchidaceae Forb/herb Argemone mexicana Mexican pricklypoppy Papaveraceae Forb/herb Argentina anserina silverweed cinquefoil Rosaceae Forb/herb Arisaema dracontium green dragon Araceae Forb/herb Arisaema triphyllum Jack in the pulpit Araceae Forb/herb Arisaema triphyllum ssp. pusillum Jack in the pulpit Araceae Forb/herb Arisaema triphyllum ssp. stewardsonii Jack in the pulpit Araceae Forb/herb Arisaema triphyllum ssp. triphyllum Jack in the pulpit Araceae Forb/herb Aristida dichotoma churchmouse threeawn Poaceae Graminoid Aristida dichotoma var. curtissii Curtis' threeawn Poaceae Graminoid Aristida dichotoma var. dichotoma churchmouse threeawn Poaceae Graminoid Aristida lanosa woollysheath threeawn Poaceae Graminoid Aristida longespica slimspike threeawn Poaceae Graminoid Aristida longespica var. geniculata slimspike threeawn Poaceae Graminoid Aristida longespica var. longespica slimspike threeawn Poaceae Graminoid Aristida oligantha prairie threeawn Poaceae Graminoid Aristida purpurascens arrowfeather threeawn Poaceae Graminoid Aristida purpurascens var. purpurascens arrowfeather threeawn Poaceae Graminoid Aristida purpurascens var. virgata arrowfeather threeawn Poaceae Graminoid Aristida tuberculosa seaside threeawn Poaceae Graminoid Aristolochia macrophylla pipevine Aristolochiaceae Vine Aristolochia serpentaria Virginia snakeroot Aristolochiaceae Forb/herb Arnica acaulis common leopardbane Asteraceae Forb/herb Arnoglossum atriplicifolium pale Indian plantain Asteraceae Forb/herb Arnoglossum reniforme great Indian plantain Asteraceae Forb/herb Aronia arbutifolia red chokeberry Rosaceae Shrub Aronia melanocarpa black chokeberry Rosaceae Shrub Aronia ×prunifolia purple chokeberry Rosaceae Shrub Artemisia biennis biennial wormwood Asteraceae Forb/herb Artemisia campestris field sagewort Asteraceae Forb/herb Artemisia campestris ssp. borealis field sagewort Asteraceae Forb/herb Artemisia campestris ssp. caudata field sagewort Asteraceae Forb/herb Artemisia dracunculus tarragon Asteraceae Subshrub, Forb/herb Artemisia frigida prairie sagewort Asteraceae Subshrub Artemisia ludoviciana white sagebrush Asteraceae Subshrub, Forb/herb Artemisia ludoviciana ssp. ludoviciana white sagebrush Asteraceae Subshrub, Forb/herb Artemisia ludoviciana ssp. mexicana white sagebrush Asteraceae Subshrub, Forb/herb Aruncus dioicus bride's feathers Rosaceae Forb/herb Aruncus dioicus var. dioicus bride's feathers Rosaceae Forb/herb Arundinaria gigantea giant cane Poaceae Subshrub, Shrub, Graminoid Arundinaria tecta switchcane Poaceae Subshrub, Shrub, Graminoid Asarum canadense Canadian wildginger Aristolochiaceae Forb/herb Asclepias amplexicaulis clasping milkweed Asclepiadaceae Forb/herb Asclepias exaltata poke milkweed Asclepiadaceae Forb/herb Asclepias incarnata swamp milkweed Asclepiadaceae Forb/herb Asclepias incarnata ssp. incarnata swamp milkweed Asclepiadaceae Forb/herb Asclepias incarnata ssp. pulchra swamp milkweed Asclepiadaceae Forb/herb Asclepias lanceolata fewflower milkweed Asclepiadaceae Forb/herb Asclepias purpurascens purple milkweed Asclepiadaceae Forb/herb Asclepias quadrifolia fourleaf milkweed Asclepiadaceae Forb/herb Asclepias rubra red milkweed Asclepiadaceae Forb/herb Asclepias syriaca common milkweed Asclepiadaceae Forb/herb Asclepias tuberosa butterfly milkweed Asclepiadaceae Forb/herb Asclepias tuberosa ssp. tuberosa butterfly milkweed Asclepiadaceae Forb/herb Asclepias variegata redring milkweed Asclepiadaceae Forb/herb Asclepias verticillata whorled milkweed Asclepiadaceae Forb/herb Asclepias viridiflora green comet milkweed Asclepiadaceae Forb/herb Asimina triloba pawpaw Annonaceae Tree, Shrub Asplenium bradleyi Bradley's spleenwort Aspleniaceae Forb/herb Asplenium ×ebenoides spleenwort Aspleniaceae Forb/herb Asplenium ×gravesii spleenwort Aspleniaceae Forb/herb Asplenium montanum mountain spleenwort Aspleniaceae Forb/herb Asplenium pinnatifidum lobed spleenwort Aspleniaceae Forb/herb Asplenium platyneuron ebony spleenwort Aspleniaceae Forb/herb Asplenium platyneuron var. platyneuron ebony spleenwort Aspleniaceae Forb/herb Asplenium rhizophyllum walking fern Aspleniaceae Forb/herb Asplenium ruta-muraria wallrue Aspleniaceae Forb/herb Asplenium ruta-muraria var. cryptolepis wallrue Aspleniaceae Forb/herb Asplenium scolopendrium Hart's tonguefern Aspleniaceae Forb/herb Asplenium scolopendrium var. americanum Hart's tonguefern Aspleniaceae Forb/herb Asplenium trichomanes maidenhair spleenwort Aspleniaceae Forb/herb Asplenium trichomanes ssp. quadrivalens maidenhair spleenwort Aspleniaceae Forb/herb Asplenium trichomanes ssp. trichomanes maidenhair spleenwort Aspleniaceae Forb/herb Asplenium ×trudellii spleenwort Aspleniaceae Forb/herb Asplenium ×virginicum spleenwort Aspleniaceae Forb/herb Asplenium ×wherryi spleenwort Aspleniaceae Forb/herb Astragalus canadensis Canadian milkvetch Fabaceae Forb/herb Astragalus canadensis var. canadensis Canadian milkvetch Fabaceae Forb/herb Athyrium filix-femina common ladyfern Dryopteridaceae Forb/herb Athyrium filix-femina ssp. angustum subarctic ladyfern Dryopteridaceae Forb/herb Athyrium filix-femina ssp. asplenioides asplenium ladyfern Dryopteridaceae Forb/herb Atriplex cristata crested saltbush Chenopodiaceae Forb/herb, Shrub, Subshrub Atriplex joaquinana San Joaquin saltbush Chenopodiaceae Forb/herb Atriplex prostrata triangle orache Chenopodiaceae Forb/herb Atriplex subspicata saline saltbush Chenopodiaceae Forb/herb Aureolaria flava smooth yellow false foxglove Scrophulariaceae Forb/herb Aureolaria flava var. flava smooth yellow false foxglove Scrophulariaceae Forb/herb Aureolaria pedicularia fernleaf yellow false foxglove Scrophulariaceae Forb/herb Aureolaria pedicularia var. intercedens fernleaf yellow false foxglove Scrophulariaceae Forb/herb Aureolaria pedicularia var. pedicularia fernleaf yellow false foxglove Scrophulariaceae Forb/herb Aureolaria virginica downy yellow false foxglove Scrophulariaceae Forb/herb Azolla caroliniana Carolina mosquitofern Azollaceae Forb/herb Baccharis halimifolia eastern baccharis Asteraceae Tree, Shrub Baptisia australis blue wild indigo Fabaceae Forb/herb Baptisia australis var. australis blue wild indigo Fabaceae Forb/herb Baptisia bracteata longbract wild indigo Fabaceae Forb/herb Baptisia bracteata var. leucophaea longbract wild indigo Fabaceae Forb/herb Baptisia tinctoria horseflyweed Fabaceae Forb/herb Bartonia paniculata twining screwstem Gentianaceae Vine, Forb/herb Bartonia paniculata ssp. paniculata twining screwstem Gentianaceae Vine, Forb/herb Bartonia virginica yellow screwstem Gentianaceae Forb/herb Berberis ×ottawensis barberry Berberidaceae Shrub Betula alleghaniensis yellow birch Betulaceae Tree Betula alleghaniensis var. alleghaniensis yellow birch Betulaceae Tree Betula ×caerulea blue birch Betulaceae Tree Betula ×caerulea var. caerulea blue birch Betulaceae Tree Betula lenta sweet birch Betulaceae Tree Betula nigra river birch Betulaceae Tree Betula papyrifera paper birch Betulaceae Tree Betula papyrifera var. papyrifera paper birch Betulaceae Tree Betula populifolia gray birch Betulaceae Tree Betula pumila bog birch Betulaceae Shrub Betula pumila var. pumila bog birch Betulaceae Shrub Bidens aristosa bearded beggarticks Asteraceae Forb/herb Bidens beckii Beck's water-marigold Asteraceae Forb/herb Bidens bidentoides Delmarva beggarticks Asteraceae Forb/herb Bidens bipinnata Spanish needles Asteraceae Forb/herb Bidens cernua nodding beggartick Asteraceae Forb/herb Bidens connata purplestem beggarticks Asteraceae Forb/herb Bidens coronata crowned beggarticks Asteraceae Forb/herb Bidens discoidea small beggarticks Asteraceae Forb/herb Bidens eatonii Eaton's beggarticks Asteraceae Forb/herb Bidens frondosa devil's beggartick Asteraceae Forb/herb Bidens hyperborea estuary beggarticks Asteraceae Forb/herb Bidens laevis smooth beggartick Asteraceae Forb/herb Bidens mitis smallfruit beggarticks Asteraceae Forb/herb Bidens tripartita threelobe beggarticks Asteraceae Forb/herb Bidens vulgata big devils beggartick Asteraceae Forb/herb Boehmeria cylindrica smallspike false nettle Urticaceae Forb/herb Bolboschoenus fluviatilis river bulrush Cyperaceae Graminoid Bolboschoenus maritimus cosmopolitan bulrush Cyperaceae Graminoid Bolboschoenus maritimus ssp. paludosus cosmopolitan bulrush Cyperaceae Graminoid Bolboschoenus novae-angliae New England bulrush Cyperaceae Graminoid Bolboschoenus robustus sturdy bulrush Cyperaceae Graminoid Boltonia asteroides white doll's daisy Asteraceae Forb/herb Boltonia asteroides var. asteroides white doll's daisy Asteraceae Forb/herb Boltonia asteroides var. recognita white doll's daisy Asteraceae Forb/herb Boltonia montana Mountain Doll's Daisy Asteraceae Forb/herb Botrychium dissectum cutleaf grapefern Ophioglossaceae Forb/herb Botrychium lanceolatum lanceleaf grapefern Ophioglossaceae Forb/herb Botrychium lanceolatum var. angustisegmentum lanceleaf grapefern Ophioglossaceae Forb/herb Botrychium matricariifolium matricary grapefern Ophioglossaceae Forb/herb Botrychium multifidum leathery grapefern Ophioglossaceae Forb/herb Botrychium oneidense bluntlobe grapefern Ophioglossaceae Forb/herb Botrychium simplex little grapefern Ophioglossaceae Forb/herb Botrychium virginianum rattlesnake fern Ophioglossaceae Forb/herb Bouteloua curtipendula sideoats grama Poaceae Graminoid Bouteloua curtipendula var. curtipendula sideoats grama Poaceae Graminoid Brachyelytrum aristosum northern shorthusk Poaceae Graminoid Brachyelytrum erectum bearded shorthusk Poaceae Graminoid Brasenia schreberi watershield Cabombaceae Forb/herb Brickellia eupatorioides false boneset Asteraceae Subshrub, Forb/herb Brickellia eupatorioides var. eupatorioides false boneset Asteraceae Subshrub, Forb/herb Bromus ciliatus fringed brome Poaceae Graminoid Bromus ciliatus var. ciliatus fringed brome Poaceae Graminoid Bromus inermis smooth brome Poaceae Graminoid Bromus kalmii arctic brome Poaceae Graminoid Bromus latiglumis earlyleaf brome Poaceae Graminoid Bromus nottowayanus Nottoway Valley brome Poaceae Graminoid Bromus pubescens hairy woodland brome Poaceae Graminoid Buchnera americana American bluehearts Scrophulariaceae Forb/herb Bulbostylis capillaris densetuft hairsedge Cyperaceae Graminoid Bulbostylis capillaris ssp. capillaris densetuft hairsedge Cyperaceae Graminoid Cabomba caroliniana Carolina fanwort Cabombaceae Forb/herb Cabomba caroliniana var. caroliniana Carolina fanwort Cabombaceae Forb/herb Cakile edentula American searocket Brassicaceae Forb/herb Cakile edentula ssp. edentula American searocket Brassicaceae Forb/herb Cakile edentula ssp. edentula var. edentula American searocket Brassicaceae Forb/herb Calamagrostis canadensis bluejoint Poaceae Graminoid Calamagrostis canadensis var. canadensis bluejoint Poaceae Graminoid Calamagrostis canadensis var. macouniana Macoun's reedgrass Poaceae Graminoid Calamagrostis coarctata Nuttall's reedgrass Poaceae Graminoid Calamagrostis pickeringii Pickering's reedgrass Poaceae Graminoid Calamagrostis stricta slimstem reedgrass Poaceae Graminoid Calamagrostis stricta ssp. inexpansa northern reedgrass Poaceae Graminoid Calamovilfa brevipilis pine barren sandreed Poaceae Graminoid Calla palustris water arum Araceae Forb/herb Callitriche heterophylla twoheaded water-starwort Callitrichaceae Forb/herb Callitriche heterophylla ssp. heterophylla twoheaded water-starwort Callitrichaceae Forb/herb Callitriche palustris vernal water-starwort Callitrichaceae Forb/herb Callitriche terrestris terrestrial water-starwort Callitrichaceae Forb/herb Calopogon tuberosus tuberous grasspink Orchidaceae Forb/herb Calopogon tuberosus var. tuberosus tuberous grasspink Orchidaceae Forb/herb Caltha palustris yellow marsh marigold Ranunculaceae Forb/herb Caltha palustris var. palustris yellow marsh marigold Ranunculaceae Forb/herb Calystegia sepium hedge false bindweed Convolvulaceae Vine, Forb/herb Calystegia sepium ssp. americana hedge false bindweed Convolvulaceae Vine, Forb/herb Calystegia sepium ssp. angulata hedge false bindweed Convolvulaceae Vine, Forb/herb Calystegia sepium ssp. appalachiana Appalachia false bindweed Convolvulaceae Vine, Forb/herb Calystegia sepium ssp. erratica hedge false bindweed Convolvulaceae Vine, Forb/herb Calystegia spithamaea low false bindweed Convolvulaceae Vine, Forb/herb Calystegia spithamaea ssp. spithamaea low false bindweed Convolvulaceae Vine, Forb/herb Campanula aparinoides marsh bellflower Campanulaceae Forb/herb Campanula rotundifolia bluebell bellflower Campanulaceae Forb/herb Campanulastrum americanum American bellflower Campanulaceae Forb/herb Campsis radicans trumpet creeper Bignoniaceae Vine Cardamine angustata slender toothwort Brassicaceae Forb/herb Cardamine bulbosa bulbous bittercress Brassicaceae Forb/herb Cardamine concatenata cutleaf toothwort Brassicaceae Forb/herb Cardamine diphylla crinkleroot Brassicaceae Forb/herb Cardamine douglassii limestone bittercress Brassicaceae Forb/herb Cardamine longii Long's bittercress Brassicaceae Forb/herb Cardamine maxima large toothwort Brassicaceae Forb/herb Cardamine parviflora sand bittercress Brassicaceae Forb/herb Cardamine parviflora var. arenicola sand bittercress Brassicaceae Forb/herb Cardamine pensylvanica Pennsylvania bittercress Brassicaceae Forb/herb Cardamine pratensis cuckoo flower Brassicaceae Forb/herb Cardamine pratensis var. pratensis cuckoo flower Brassicaceae Forb/herb Cardamine rotundifolia American bittercress Brassicaceae Forb/herb Carex abscondita thicket sedge Cyperaceae Graminoid Carex ×aestivaliformis sedge Cyperaceae Graminoid Carex aggregata glomerate sedge Cyperaceae Graminoid Carex alata broadwing sedge Cyperaceae Graminoid Carex albicans whitetinge sedge Cyperaceae Graminoid Carex albicans var. albicans whitetinge sedge Cyperaceae Graminoid Carex albicans var. emmonsii Emmons' sedge Cyperaceae Graminoid Carex albolutescens greenwhite sedge Cyperaceae Graminoid Carex albursina white bear sedge Cyperaceae Graminoid Carex alopecoidea foxtail sedge Cyperaceae Graminoid Carex amphibola eastern narrowleaf sedge Cyperaceae Graminoid Carex annectens yellowfruit sedge Cyperaceae Graminoid Carex appalachica Appalachian sedge Cyperaceae Graminoid Carex aquatilis water sedge Cyperaceae Graminoid Carex aquatilis var. aquatilis water sedge Cyperaceae Graminoid Carex arctata drooping woodland sedge Cyperaceae Graminoid Carex argyrantha hay sedge Cyperaceae Graminoid Carex atlantica prickly bog sedge Cyperaceae Graminoid Carex atlantica ssp. atlantica prickly bog sedge Cyperaceae Graminoid Carex atlantica ssp. capillacea prickly bog sedge Cyperaceae Graminoid Carex aurea golden sedge Cyperaceae Graminoid Carex backii Back's sedge Cyperaceae Graminoid Carex barrattii Barratt's sedge Cyperaceae Graminoid Carex bebbii Bebb's sedge Cyperaceae Graminoid Carex bicknellii Bicknell's sedge Cyperaceae Graminoid Carex billingsii Billings' Sedge Cyperaceae Graminoid Carex blanda eastern woodland sedge Cyperaceae Graminoid Carex brevior shortbeak sedge Cyperaceae Graminoid Carex bromoides brome-like sedge Cyperaceae Graminoid Carex bromoides ssp. bromoides brome-like sedge Cyperaceae Graminoid Carex brunnescens brownish sedge Cyperaceae Graminoid Carex brunnescens ssp. sphaerostachya brownish sedge Cyperaceae Graminoid Carex bullata button sedge Cyperaceae Graminoid Carex bushii Bush's sedge Cyperaceae Graminoid Carex buxbaumii Buxbaum's sedge Cyperaceae Graminoid Carex ×caesariensis sedge Cyperaceae Graminoid Carex canescens silvery sedge Cyperaceae Graminoid Carex canescens ssp. canescens silvery sedge Cyperaceae Graminoid Carex canescens ssp. disjuncta silvery sedge Cyperaceae Graminoid Carex caroliniana Carolina sedge Cyperaceae Graminoid Carex cephaloidea thinleaf sedge Cyperaceae Graminoid Carex cephalophora oval-leaf sedge Cyperaceae Graminoid Carex collinsii Collins' sedge Cyperaceae Graminoid Carex communis fibrousroot sedge Cyperaceae Graminoid Carex communis var. communis fibrousroot sedge Cyperaceae Graminoid Carex comosa longhair sedge Cyperaceae Graminoid Carex complanata hirsute sedge Cyperaceae Graminoid Carex conjuncta soft fox sedge Cyperaceae Graminoid Carex conoidea openfield sedge Cyperaceae Graminoid Carex crawei Crawe's sedge Cyperaceae Graminoid Carex crawfordii Crawford's sedge Cyperaceae Graminoid Carex crinita fringed sedge Cyperaceae Graminoid Carex crinita var. brevicrinis fringed sedge Cyperaceae Graminoid Carex crinita var. crinita fringed sedge Cyperaceae Graminoid Carex cristatella crested sedge Cyperaceae Graminoid Carex cryptolepis northeastern sedge Cyperaceae Graminoid Carex cumulata clustered sedge Cyperaceae Graminoid Carex davisii Davis' sedge Cyperaceae Graminoid Carex debilis white edge sedge Cyperaceae Graminoid Carex debilis var. debilis white edge sedge Cyperaceae Graminoid Carex debilis var. interjecta white edge sedge Cyperaceae Graminoid Carex debilis var. pubera white edge sedge Cyperaceae Graminoid Carex debilis var. rudgei white edge sedge Cyperaceae Graminoid Carex deweyana Dewey sedge Cyperaceae Graminoid Carex deweyana var. deweyana Dewey sedge Cyperaceae Graminoid Carex diandra lesser panicled sedge Cyperaceae Graminoid Carex digitalis slender woodland sedge Cyperaceae Graminoid Carex digitalis var. digitalis slender woodland sedge Cyperaceae Graminoid Carex disperma softleaf sedge Cyperaceae Graminoid Carex eburnea bristleleaf sedge Cyperaceae Graminoid Carex echinata star sedge Cyperaceae Graminoid Carex echinata ssp. echinata star sedge Cyperaceae Graminoid Carex emoryi Emory's sedge Cyperaceae Graminoid Carex exilis coastal sedge Cyperaceae Graminoid Carex festucacea fescue sedge Cyperaceae Graminoid Carex flaccosperma thinfruit sedge Cyperaceae Graminoid Carex flava yellow sedge Cyperaceae Graminoid Carex folliculata northern long sedge Cyperaceae Graminoid Carex formosa handsome sedge Cyperaceae Graminoid Carex frankii Frank's sedge Cyperaceae Graminoid Carex glaucodea blue sedge Cyperaceae Graminoid Carex gracilescens slender looseflower sedge Cyperaceae Graminoid Carex gracillima graceful sedge Cyperaceae Graminoid Carex granularis limestone meadow sedge Cyperaceae Graminoid Carex grayi Gray's sedge Cyperaceae Graminoid Carex grisea inflated narrow-leaf sedge Cyperaceae Graminoid Carex gynandra nodding sedge Cyperaceae Graminoid Carex gynocrates northern bog sedge Cyperaceae Graminoid Carex haydenii Hayden's sedge Cyperaceae Graminoid Carex hirsutella fuzzy wuzzy sedge Cyperaceae Graminoid Carex hirtifolia pubescent sedge Cyperaceae Graminoid Carex hitchcockiana Hitchcock's sedge Cyperaceae Graminoid Carex hormathodes marsh straw sedge Cyperaceae Graminoid Carex hyalinolepis shoreline sedge Cyperaceae Graminoid Carex hystericina bottlebrush sedge Cyperaceae Graminoid Carex interior inland sedge Cyperaceae Graminoid Carex intumescens greater bladder sedge Cyperaceae Graminoid Carex jamesii James' sedge Cyperaceae Graminoid Carex joorii cypress swamp sedge Cyperaceae Graminoid Carex lacustris hairy sedge Cyperaceae Graminoid Carex laevivaginata smoothsheath sedge Cyperaceae Graminoid Carex lapponica Lapland sedge Cyperaceae Graminoid Carex lasiocarpa woollyfruit sedge Cyperaceae Graminoid Carex lasiocarpa var. americana American woollyfruit sedge Cyperaceae Graminoid Carex laxiculmis spreading sedge Cyperaceae Graminoid Carex laxiculmis var. copulata spreading sedge Cyperaceae Graminoid Carex laxiculmis var. laxiculmis spreading sedge Cyperaceae Graminoid Carex laxiflora broad looseflower sedge Cyperaceae Graminoid Carex laxiflora var. laxiflora broad looseflower sedge Cyperaceae Graminoid Carex leavenworthii Leavenworth's sedge Cyperaceae Graminoid Carex leptalea bristlystalked sedge Cyperaceae Graminoid Carex leptalea ssp. harperi Harper's sedge Cyperaceae Graminoid Carex leptalea ssp. leptalea bristlystalked sedge Cyperaceae Graminoid Carex leptonervia nerveless woodland sedge Cyperaceae Graminoid Carex limosa mud sedge Cyperaceae Graminoid Carex livida livid sedge Cyperaceae Graminoid Carex livida var. radicaulis livid sedge Cyperaceae Graminoid Carex lonchocarpa southern long sedge Cyperaceae Graminoid Carex longii Long's sedge Cyperaceae Graminoid Carex louisianica Louisiana sedge Cyperaceae Graminoid Carex lucorum Blue Ridge sedge Cyperaceae Graminoid Carex lucorum var. lucorum Blue Ridge sedge Cyperaceae Graminoid Carex lupuliformis false hop sedge Cyperaceae Graminoid Carex lupulina hop sedge Cyperaceae Graminoid Carex lurida shallow sedge Cyperaceae Graminoid Carex macrocephala largehead sedge Cyperaceae Graminoid Carex magellanica boreal bog sedge Cyperaceae Graminoid Carex magellanica ssp. irrigua boreal bog sedge Cyperaceae Graminoid Carex meadii Mead's sedge Cyperaceae Graminoid Carex mesochorea midland sedge Cyperaceae Graminoid Carex mitchelliana Mitchell's sedge Cyperaceae Graminoid Carex molesta troublesome sedge Cyperaceae Graminoid Carex muehlenbergii Muhlenberg's sedge Cyperaceae Graminoid Carex muehlenbergii var. enervis Muhlenberg's sedge Cyperaceae Graminoid Carex muehlenbergii var. muehlenbergii Muhlenberg's sedge Cyperaceae Graminoid Carex nigromarginata black edge sedge Cyperaceae Graminoid Carex normalis greater straw sedge Cyperaceae Graminoid Carex oligocarpa richwoods sedge Cyperaceae Graminoid Carex pallescens pale sedge Cyperaceae Graminoid Carex peckii Peck's sedge Cyperaceae Graminoid Carex pedunculata longstalk sedge Cyperaceae Graminoid Carex pellita woolly sedge Cyperaceae Graminoid Carex pensylvanica Pennsylvania sedge Cyperaceae Graminoid Carex planispicata flat-spiked sedge Cyperaceae Graminoid Carex plantaginea plantainleaf sedge Cyperaceae Graminoid Carex platyphylla broadleaf sedge Cyperaceae Graminoid Carex polymorpha variable sedge Cyperaceae Graminoid Carex prairea prairie sedge Cyperaceae Graminoid Carex prasina drooping sedge Cyperaceae Graminoid Carex projecta necklace sedge Cyperaceae Graminoid Carex pseudocyperus cypress-like sedge Cyperaceae Graminoid Carex radiata eastern star sedge Cyperaceae Graminoid Carex retroflexa reflexed sedge Cyperaceae Graminoid Carex retrorsa knotsheath sedge Cyperaceae Graminoid Carex reznicekii Reznicek's sedge Cyperaceae Graminoid Carex rosea rosy sedge Cyperaceae Graminoid Carex rostrata beaked sedge Cyperaceae Graminoid Carex scabrata eastern rough sedge Cyperaceae Graminoid Carex schweinitzii Schweinitz's sedge Cyperaceae Graminoid Carex scoparia broom sedge Cyperaceae Graminoid Carex scoparia var. scoparia broom sedge Cyperaceae Graminoid Carex seorsa weak stellate sedge Cyperaceae Graminoid Carex siccata dryspike sedge Cyperaceae Graminoid Carex silicea beach sedge Cyperaceae Graminoid Carex sparganioides bur-reed sedge Cyperaceae Graminoid Carex sprengelii Sprengel's sedge Cyperaceae Graminoid Carex squarrosa squarrose sedge Cyperaceae Graminoid Carex sterilis dioecious sedge Cyperaceae Graminoid Carex stipata awlfruit sedge Cyperaceae Graminoid Carex stipata var. maxima stalkgrain sedge Cyperaceae Graminoid Carex stipata var. stipata owlfruit sedge Cyperaceae Graminoid Carex straminea eastern straw sedge Cyperaceae Graminoid Carex striata Walter's sedge Cyperaceae Graminoid Carex striata var. brevis Walter's sedge Cyperaceae Graminoid Carex striatula lined sedge Cyperaceae Graminoid Carex stricta upright sedge Cyperaceae Graminoid Carex styloflexa bent sedge Cyperaceae Graminoid Carex swanii Swan's sedge Cyperaceae Graminoid Carex tenera quill sedge Cyperaceae Graminoid Carex tetanica rigid sedge Cyperaceae Graminoid Carex texensis Texas sedge Cyperaceae Graminoid Carex tonsa shaved sedge Cyperaceae Graminoid Carex tonsa var. rugosperma parachute sedge Cyperaceae Graminoid Carex tonsa var. tonsa shaved sedge Cyperaceae Graminoid Carex torta twisted sedge Cyperaceae Graminoid Carex tribuloides blunt broom sedge Cyperaceae Graminoid Carex tribuloides var. sangamonensis blunt broom sedge Cyperaceae Graminoid Carex tribuloides var. tribuloides blunt broom sedge Cyperaceae Graminoid Carex trichocarpa hairyfruit sedge Cyperaceae Graminoid Carex trisperma threeseeded sedge Cyperaceae Graminoid Carex trisperma var. trisperma threeseeded sedge Cyperaceae Graminoid Carex tuckermanii Tuckerman's sedge Cyperaceae Graminoid Carex typhina cattail sedge Cyperaceae Graminoid Carex umbellata parasol sedge Cyperaceae Graminoid Carex utriculata Northwest Territory sedge Cyperaceae Graminoid Carex venusta darkgreen sedge Cyperaceae Graminoid Carex venusta var. minor darkgreen sedge Cyperaceae Graminoid Carex vesicaria blister sedge Cyperaceae Graminoid Carex vestita velvet sedge Cyperaceae Graminoid Carex virescens ribbed sedge Cyperaceae Graminoid Carex viridula little green sedge Cyperaceae Graminoid Carex viridula ssp. oedocarpa little green sedge Cyperaceae Graminoid Carex viridula ssp. viridula little green sedge Cyperaceae Graminoid Carex vulpinoidea fox sedge Cyperaceae Graminoid Carex vulpinoidea var. vulpinoidea fox sedge Cyperaceae Graminoid Carex wiegandii Wiegand's sedge Cyperaceae Graminoid Carex willdenowii Willdenow's sedge Cyperaceae Graminoid Carex woodii pretty sedge Cyperaceae Graminoid Carpinus caroliniana American hornbeam Betulaceae Tree, Shrub Carpinus caroliniana ssp. virginiana American hornbeam Betulaceae Tree, Shrub Carya cordiformis bitternut hickory Juglandaceae Tree Carya glabra pignut hickory Juglandaceae Tree Carya ovalis red hickory Juglandaceae Tree Carya ovata shagbark hickory Juglandaceae Tree Carya pallida sand hickory Juglandaceae Tree Carya tomentosa mockernut hickory Juglandaceae Tree Castanea dentata American chestnut Fagaceae Tree Castanea ×neglecta chestnut Fagaceae Tree Castanea pumila chinquapin Fagaceae Tree, Shrub Castanea pumila var. pumila chinquapin Fagaceae Tree, Shrub Castilleja coccinea scarlet Indian paintbrush Scrophulariaceae Forb/herb Catalpa bignonioides southern catalpa Bignoniaceae Tree Catalpa speciosa northern catalpa Bignoniaceae Tree Caulophyllum thalictroides blue cohosh Berberidaceae Forb/herb Ceanothus americanus New Jersey tea Rhamnaceae Subshrub, Shrub Celastrus scandens American bittersweet Celastraceae Vine Celtis occidentalis common hackberry Ulmaceae Tree, Shrub Cenchrus longispinus mat sandbur Poaceae Graminoid Cenchrus tribuloides sanddune sandbur Poaceae Graminoid Centaurea transalpina alpine knapweed Asteraceae Forb/herb Centella erecta erect centella Apiaceae Forb/herb Centrosema virginianum spurred butterfly pea Fabaceae Vine, Forb/herb Cephalanthus occidentalis common buttonbush Rubiaceae Tree, Shrub Cerastium arvense field chickweed Caryophyllaceae Forb/herb Cerastium arvense ssp. strictum field chickweed Caryophyllaceae Forb/herb Cerastium nutans nodding chickweed Caryophyllaceae Forb/herb Cerastium nutans var. nutans nodding chickweed Caryophyllaceae Forb/herb Ceratophyllum demersum coon's tail Ceratophyllaceae Forb/herb Ceratophyllum echinatum spineless hornwort Ceratophyllaceae Forb/herb Cercis canadensis eastern redbud Fabaceae Tree, Shrub Cercis canadensis var. canadensis eastern redbud Fabaceae Tree, Shrub Chaerophyllum procumbens spreading chervil Apiaceae Forb/herb Chaerophyllum procumbens var. procumbens spreading chervil Apiaceae Forb/herb Chamaecrista fasciculata partridge pea Fabaceae Forb/herb Chamaecrista fasciculata var. fasciculata partridge pea Fabaceae Forb/herb Chamaecrista nictitans sensitive partridge pea Fabaceae Subshrub, Forb/herb Chamaecrista nictitans ssp. nictitans sensitive partridge pea Fabaceae Subshrub, Forb/herb Chamaecrista nictitans ssp. nictitans var. nictitans sensitive partridge pea Fabaceae Subshrub, Forb/herb Chamaecyparis thyoides Atlantic white cedar Cupressaceae Tree Chamaedaphne calyculata leatherleaf Ericaceae Shrub Chamaelirium luteum fairywand Liliaceae Forb/herb Chamaesyce humistrata spreading sandmat Euphorbiaceae Forb/herb Chamaesyce maculata spotted sandmat Euphorbiaceae Forb/herb Chamaesyce nutans eyebane Euphorbiaceae Forb/herb Chamaesyce polygonifolia seaside sandmat Euphorbiaceae Forb/herb Chamaesyce serpens matted sandmat Euphorbiaceae Forb/herb Chamaesyce vermiculata wormseed sandmat Euphorbiaceae Forb/herb Chamerion angustifolium fireweed Onagraceae Forb/herb Chamerion angustifolium ssp. circumvagum fireweed Onagraceae Forb/herb Chasmanthium latifolium Indian woodoats Poaceae Graminoid Chasmanthium laxum slender woodoats Poaceae Graminoid Cheilanthes lanosa hairy lipfern Pteridaceae Forb/herb Chelone glabra white turtlehead Scrophulariaceae Forb/herb Chenopodium album lambsquarters Chenopodiaceae Forb/herb Chenopodium album var. missouriense Missouri lambsquarters Chenopodiaceae Forb/herb Chenopodium berlandieri pitseed goosefoot Chenopodiaceae Forb/herb Chenopodium berlandieri var. boscianum pitseed goosefoot Chenopodiaceae Forb/herb Chenopodium berlandieri var. bushianum Bush's goosefoot Chenopodiaceae Forb/herb Chenopodium berlandieri var. macrocalycium pitseed goosefoot Chenopodiaceae Forb/herb Chenopodium capitatum blite goosefoot Chenopodiaceae Forb/herb Chenopodium pratericola desert goosefoot Chenopodiaceae Forb/herb Chenopodium rubrum red goosefoot Chenopodiaceae Forb/herb Chenopodium salinum Rocky Mountain goosefoot Chenopodiaceae Forb/herb Chenopodium simplex mapleleaf goosefoot Chenopodiaceae Forb/herb Chenopodium standleyanum Standley's goosefoot Chenopodiaceae Forb/herb Chimaphila maculata striped prince's pine Pyrolaceae Subshrub Chimaphila umbellata pipsissewa Pyrolaceae Subshrub Chimaphila umbellata ssp. cisatlantica pipsissewa Pyrolaceae Subshrub Chionanthus virginicus white fringetree Oleaceae Tree, Shrub Chloris verticillata tumble windmill grass Poaceae Graminoid Chrysopsis mariana Maryland goldenaster Asteraceae Forb/herb Chrysosplenium americanum American golden saxifrage Saxifragaceae Forb/herb Cicuta bulbifera bulblet-bearing water hemlock Apiaceae Forb/herb Cicuta maculata spotted water hemlock Apiaceae Forb/herb Cicuta maculata var. maculata spotted water hemlock Apiaceae Forb/herb Cinna arundinacea sweet woodreed Poaceae Graminoid Cinna latifolia drooping woodreed Poaceae Graminoid Circaea alpina small enchanter's nightshade Onagraceae Forb/herb Circaea alpina ssp. alpina small enchanter's nightshade Onagraceae Forb/herb Circaea ×intermedia enchanter's nightshade Onagraceae Forb/herb Circaea lutetiana broadleaf enchanter's nightshade Onagraceae Forb/herb Circaea lutetiana ssp. canadensis broadleaf enchanter's nightshade Onagraceae Forb/herb Cirsium altissimum tall thistle Asteraceae Forb/herb Cirsium discolor field thistle Asteraceae Forb/herb Cirsium horridulum yellow thistle Asteraceae Forb/herb Cirsium horridulum var. horridulum yellow thistle Asteraceae Forb/herb Cirsium muticum swamp thistle Asteraceae Forb/herb Cirsium pumilum pasture thistle Asteraceae Forb/herb Cirsium virginianum Virginia thistle Asteraceae Forb/herb Cladium mariscoides smooth sawgrass Cyperaceae Graminoid Claytonia virginica Virginia springbeauty Portulacaceae Forb/herb Claytonia virginica var. hammondiae Hammond's claytonia Portulacaceae Forb/herb Claytonia virginica var. virginica Virginia springbeauty Portulacaceae Forb/herb Claytonia virginica var. virginica f. virginica Virginia springbeauty Portulacaceae Forb/herb Cleistes divaricata rosebud orchid Orchidaceae Forb/herb Clematis occidentalis western blue virginsbower Ranunculaceae Vine Clematis occidentalis var. occidentalis western blue virginsbower Ranunculaceae Vine Clematis virginiana devil's darning needles Ranunculaceae Vine Clethra alnifolia coastal sweetpepperbush Clethraceae Shrub Clinopodium vulgare wild basil Lamiaceae Forb/herb Clintonia borealis bluebead Liliaceae Forb/herb Clintonia umbellulata white clintonia Liliaceae Forb/herb Clitoria mariana Atlantic pigeonwings Fabaceae Vine, Forb/herb Coelorachis rugosa wrinkled jointtail grass Poaceae Graminoid Collinsonia canadensis richweed Lamiaceae Forb/herb Collomia linearis tiny trumpet Polemoniaceae Forb/herb Comandra umbellata bastard toadflax Santalaceae Subshrub, Forb/herb Comandra umbellata ssp. umbellata bastard toadflax Santalaceae Subshrub, Forb/herb Comarum palustre purple marshlocks Rosaceae Forb/herb Commelina diffusa climbing dayflower Commelinaceae Forb/herb Commelina diffusa var. diffusa climbing dayflower Commelinaceae Forb/herb Commelina erecta whitemouth dayflower Commelinaceae Forb/herb Commelina erecta var. erecta whitemouth dayflower Commelinaceae Forb/herb Commelina virginica Virginia dayflower Commelinaceae Forb/herb Comptonia peregrina sweet fern Myricaceae Subshrub, Shrub Conioselinum chinense eastern hemlockparsley Apiaceae Forb/herb Conoclinium coelestinum blue mistflower Asteraceae Forb/herb Conopholis americana American cancer-root Orobanchaceae Forb/herb Conyza canadensis Canadian horseweed Asteraceae Forb/herb Conyza canadensis var. canadensis Canadian horseweed Asteraceae Forb/herb Conyza canadensis var. pusilla Canadian horseweed Asteraceae Forb/herb Coptis trifolia threeleaf goldthread Ranunculaceae Forb/herb Corallorhiza maculata summer coralroot Orchidaceae Forb/herb Corallorhiza maculata var. maculata summer coralroot Orchidaceae Forb/herb Corallorhiza odontorhiza autumn coralroot Orchidaceae Forb/herb Corallorhiza odontorhiza var. odontorhiza autumn coralroot Orchidaceae Forb/herb Corallorhiza odontorhiza var. pringlei autumn coralroot Orchidaceae Forb/herb Corallorhiza trifida yellow coralroot Orchidaceae Forb/herb Corallorhiza wisteriana spring coralroot Orchidaceae Forb/herb Corema conradii broom crowberry Empetraceae Subshrub, Shrub Coreopsis grandiflora largeflower tickseed Asteraceae Forb/herb Coreopsis grandiflora var. harveyana largeflower tickseed Asteraceae Forb/herb Coreopsis lanceolata lanceleaf tickseed Asteraceae Forb/herb Coreopsis major greater tickseed Asteraceae Forb/herb Coreopsis rosea pink tickseed Asteraceae Forb/herb Coreopsis tinctoria golden tickseed Asteraceae Forb/herb Coreopsis tinctoria var. tinctoria golden tickseed Asteraceae Forb/herb Coreopsis verticillata whorled tickseed Asteraceae Forb/herb Corispermum americanum American bugseed Chenopodiaceae Forb/herb Corispermum americanum var. americanum American bugseed Chenopodiaceae Forb/herb Cornus alternifolia alternateleaf dogwood Cornaceae Tree, Shrub Cornus amomum silky dogwood Cornaceae Shrub Cornus canadensis bunchberry dogwood Cornaceae Subshrub, Shrub, Forb/herb Cornus florida flowering dogwood Cornaceae Tree, Shrub Cornus foemina stiff dogwood Cornaceae Tree, Shrub Cornus obliqua silky dogwood Cornaceae Shrub Cornus racemosa gray dogwood Cornaceae Shrub Cornus rugosa roundleaf dogwood Cornaceae Tree, Shrub Cornus sericea redosier dogwood Cornaceae Tree, Shrub Cornus sericea ssp. sericea redosier dogwood Cornaceae Tree, Shrub Corydalis flavula yellow fumewort Fumariaceae Forb/herb Corydalis sempervirens rock harlequin Fumariaceae Forb/herb Corylus americana American hazelnut Betulaceae Shrub Corylus cornuta beaked hazelnut Betulaceae Tree, Shrub Corylus cornuta var. cornuta beaked hazelnut Betulaceae Tree, Shrub Crataegus calpodendron pear hawthorn Rosaceae Tree, Shrub Crataegus chrysocarpa fireberry hawthorn Rosaceae Tree, Shrub Crataegus chrysocarpa var. chrysocarpa red haw Rosaceae Shrub, Tree Crataegus coccinioides Kansas hawthorn Rosaceae Tree, Shrub Crataegus crus-galli cockspur hawthorn Rosaceae Tree, Shrub Crataegus dodgei Dodge's hawthorn Rosaceae Tree, Shrub Crataegus flabellata fanleaf hawthorn Rosaceae Tree, Shrub Crataegus holmesiana Holmes' hawthorn Rosaceae Tree, Shrub Crataegus intricata Copenhagen hawthorn Rosaceae Tree, Shrub Crataegus macrosperma bigfruit hawthorn Rosaceae Tree, Shrub Crataegus mollis downy hawthorn Rosaceae Tree, Shrub Crataegus pedicellata scarlet hawthorn Rosaceae Tree, Shrub Crataegus pennsylvanica Pennsylvania hawthorn Rosaceae Tree, Shrub Crataegus phaenopyrum Washington hawthorn Rosaceae Tree, Shrub Crataegus pruinosa waxyfruit hawthorn Rosaceae Tree, Shrub Crataegus punctata dotted hawthorn Rosaceae Tree, Shrub Crataegus succulenta fleshy hawthorn Rosaceae Tree, Shrub Crataegus uniflora dwarf hawthorn Rosaceae Tree, Shrub Crotalaria sagittalis arrowhead rattlebox Fabaceae Subshrub, Forb/herb Croton capitatus hogwort Euphorbiaceae Forb/herb Croton capitatus var. capitatus hogwort Euphorbiaceae Forb/herb Croton glandulosus vente conmigo Euphorbiaceae Subshrub, Forb/herb Croton glandulosus var. septentrionalis vente conmigo Euphorbiaceae Subshrub, Forb/herb Croton michauxii Michaux's croton Euphorbiaceae Forb/herb Croton michauxii var. ellipticus Michaux's croton Euphorbiaceae Forb/herb Cryptogramma stelleri fragile rockbrake Pteridaceae Forb/herb Cryptotaenia canadensis Canadian honewort Apiaceae Forb/herb Ctenium aromaticum toothache grass Poaceae Graminoid Cunila origanoides common dittany Lamiaceae Subshrub, Forb/herb Cuphea viscosissima blue waxweed Lythraceae Forb/herb Cuscuta cephalanthi buttonbush dodder Cuscutaceae Vine, Forb/herb Cuscuta compacta compact dodder Cuscutaceae Vine, Forb/herb Cuscuta compacta var. compacta compact dodder Cuscutaceae Vine, Forb/herb Cuscuta coryli hazel dodder Cuscutaceae Vine, Forb/herb Cuscuta gronovii scaldweed Cuscutaceae Vine, Forb/herb Cuscuta gronovii var. gronovii scaldweed Cuscutaceae Vine, Forb/herb Cuscuta indecora bigseed alfalfa dodder Cuscutaceae Vine, Forb/herb Cuscuta indecora var. indecora bigseed alfalfa dodder Cuscutaceae Vine, Forb/herb Cuscuta indecora var. neuropetala bigseed dodder Cuscutaceae Vine, Forb/herb Cuscuta megalocarpa bigfruit dodder Cuscutaceae Vine, Forb/herb Cuscuta pentagona fiveangled dodder Cuscutaceae Vine, Forb/herb Cuscuta pentagona var. pentagona fiveangled dodder Cuscutaceae Vine, Forb/herb Cuscuta polygonorum smartweed dodder Cuscutaceae Vine, Forb/herb Cyclachaena xanthiifolia Carelessweed Asteraceae Forb/herb Cycloloma atriplicifolium winged pigweed Chenopodiaceae Forb/herb Cynoglossum virginianum wild comfrey Boraginaceae Forb/herb Cynoglossum virginianum var. boreale wild comfrey Boraginaceae Forb/herb Cynoglossum virginianum var. virginianum wild comfrey Boraginaceae Forb/herb Cyperus aggregatus inflatedscale flatsedge Cyperaceae Graminoid Cyperus bipartitus slender flatsedge Cyperaceae Graminoid Cyperus compressus poorland flatsedge Cyperaceae Graminoid Cyperus croceus Baldwin's flatsedge Cyperaceae Graminoid Cyperus ×deamii flatsedge Cyperaceae Graminoid Cyperus dentatus toothed flatsedge Cyperaceae Graminoid Cyperus diandrus umbrella flatsedge Cyperaceae Graminoid Cyperus echinatus globe flatsedge Cyperaceae Graminoid Cyperus eragrostis tall flatsedge Cyperaceae Graminoid Cyperus erythrorhizos redroot flatsedge Cyperaceae Graminoid Cyperus esculentus yellow nutsedge Cyperaceae Graminoid Cyperus filicinus fern flatsedge Cyperaceae Graminoid Cyperus flavescens yellow flatsedge Cyperaceae Graminoid Cyperus grayi Gray's flatsedge Cyperaceae Graminoid Cyperus hystricinus bristly flatsedge Cyperaceae Graminoid Cyperus lancastriensis manyflower flatsedge Cyperaceae Graminoid Cyperus lecontei Le Conte's flatsedge Cyperaceae Graminoid Cyperus lupulinus Great Plains flatsedge Cyperaceae Graminoid Cyperus lupulinus ssp. lupulinus Great Plains flatsedge Cyperaceae Graminoid Cyperus lupulinus ssp. macilentus Great Plains flatsedge Cyperaceae Graminoid Cyperus odoratus fragrant flatsedge Cyperaceae Graminoid Cyperus plukenetii Plukenet's flatsedge Cyperaceae Graminoid Cyperus polystachyos manyspike flatsedge Cyperaceae Graminoid Cyperus polystachyos var. texensis Texan flatsedge Cyperaceae Graminoid Cyperus pseudovegetus marsh flatsedge Cyperaceae Graminoid Cyperus refractus reflexed flatsedge Cyperaceae Graminoid Cyperus retroflexus oneflower flatsedge Cyperaceae Graminoid Cyperus retrofractus rough flatsedge Cyperaceae Graminoid Cyperus retrorsus pine barren flatsedge Cyperaceae Graminoid Cyperus retrorsus var. retrorsus pine barren flatsedge Cyperaceae Graminoid Cyperus schweinitzii Schweinitz's flatsedge Cyperaceae Graminoid Cyperus squarrosus bearded flatsedge Cyperaceae Graminoid Cyperus strigosus strawcolored flatsedge Cyperaceae Graminoid Cyperus surinamensis tropical flatsedge Cyperaceae Graminoid Cypripedium acaule moccasin flower Orchidaceae Forb/herb Cypripedium candidum white lady's slipper Orchidaceae Forb/herb Cypripedium parviflorum lesser yellow lady's slipper Orchidaceae Forb/herb Cypripedium parviflorum var. makasin greater yellow lady's slipper Orchidaceae Forb/herb Cypripedium parviflorum var. parviflorum lesser yellow lady's slipper Orchidaceae Forb/herb Cypripedium parviflorum var. pubescens greater yellow lady's slipper Orchidaceae Forb/herb Cypripedium reginae showy lady's slipper Orchidaceae Forb/herb Cystopteris bulbifera bulblet bladderfern Dryopteridaceae Forb/herb Cystopteris fragilis brittle bladderfern Dryopteridaceae Forb/herb Cystopteris protrusa lowland bladderfern Dryopteridaceae Forb/herb Cystopteris tenuis upland brittle bladderfern Dryopteridaceae Forb/herb Dactylorhiza viridis longbract frog orchid Orchidaceae Forb/herb Dalibarda repens robin runaway Rosaceae Forb/herb Danthonia compressa flattened oatgrass Poaceae Graminoid Danthonia epilis Carolina oatgrass Poaceae Graminoid Danthonia sericea downy danthonia Poaceae Graminoid Danthonia spicata poverty oatgrass Poaceae Graminoid Dasiphora fruticosa shrubby cinquefoil Rosaceae Shrub Dasiphora fruticosa ssp. floribunda shrubby cinquefoil Rosaceae Shrub Datura wrightii sacred thorn-apple Solanaceae Forb/herb, Subshrub Decodon verticillatus swamp loosestrife Lythraceae Subshrub, Shrub Dennstaedtia punctilobula eastern hayscented fern Dennstaedtiaceae Forb/herb Deparia acrostichoides silver false spleenwort Dryopteridaceae Forb/herb Deschampsia cespitosa tufted hairgrass Poaceae Graminoid Deschampsia flexuosa wavy hairgrass Poaceae Graminoid Deschampsia flexuosa var. flexuosa wavy hairgrass Poaceae Graminoid Descurainia pinnata western tansymustard Brassicaceae Forb/herb Descurainia pinnata ssp. brachycarpa western tansymustard Brassicaceae Forb/herb Desmodium canadense showy ticktrefoil Fabaceae Forb/herb Desmodium canescens hoary ticktrefoil Fabaceae Forb/herb Desmodium ciliare hairy small-leaf ticktrefoil Fabaceae Forb/herb Desmodium ciliare var. ciliare hairy small-leaf ticktrefoil Fabaceae Forb/herb Desmodium cuspidatum largebract ticktrefoil Fabaceae Forb/herb Desmodium cuspidatum var. cuspidatum largebract ticktrefoil Fabaceae Forb/herb Desmodium glabellum Dillenius' ticktrefoil Fabaceae Forb/herb Desmodium glutinosum pointedleaf ticktrefoil Fabaceae Forb/herb Desmodium humifusum eastern trailing ticktrefoil Fabaceae Forb/herb Desmodium laevigatum smooth ticktrefoil Fabaceae Forb/herb Desmodium marilandicum smooth small-leaf ticktrefoil Fabaceae Forb/herb Desmodium nudiflorum nakedflower ticktrefoil Fabaceae Forb/herb Desmodium nuttallii Nuttall's ticktrefoil Fabaceae Subshrub, Forb/herb Desmodium obtusum stiff ticktrefoil Fabaceae Forb/herb Desmodium ochroleucum cream ticktrefoil Fabaceae Forb/herb Desmodium paniculatum panicledleaf ticktrefoil Fabaceae Forb/herb Desmodium paniculatum var. paniculatum panicledleaf ticktrefoil Fabaceae Forb/herb Desmodium pauciflorum fewflower ticktrefoil Fabaceae Forb/herb Desmodium perplexum perplexed ticktrefoil Fabaceae Forb/herb Desmodium rotundifolium prostrate ticktrefoil Fabaceae Forb/herb Desmodium sessilifolium sessileleaf ticktrefoil Fabaceae Forb/herb Desmodium strictum pine barren ticktrefoil Fabaceae Forb/herb Desmodium viridiflorum velvetleaf ticktrefoil Fabaceae Subshrub, Forb/herb Dicentra canadensis squirrel corn Fumariaceae Forb/herb Dicentra cucullaria dutchman's breeches Fumariaceae Forb/herb Dicentra eximia turkey corn Fumariaceae Forb/herb Dichanthelium aciculare needleleaf rosette grass Poaceae Graminoid Dichanthelium acuminatum tapered rosette grass Poaceae Graminoid Dichanthelium acuminatum var. acuminatum tapered rosette grass Poaceae Graminoid Dichanthelium acuminatum var. fasciculatum western panicgrass Poaceae Graminoid Dichanthelium acuminatum var. lindheimeri Lindheimer panicgrass Poaceae Graminoid Dichanthelium boreale northern panicgrass Poaceae Graminoid Dichanthelium boscii Bosc's panicgrass Poaceae Graminoid Dichanthelium clandestinum deertongue Poaceae Graminoid Dichanthelium commutatum variable panicgrass Poaceae Graminoid Dichanthelium depauperatum starved panicgrass Poaceae Graminoid Dichanthelium dichotomum cypress panicgrass Poaceae Graminoid Dichanthelium dichotomum var. dichotomum cypress panicgrass Poaceae Graminoid Dichanthelium dichotomum var. ensifolium cypress panicgrass Poaceae Graminoid Dichanthelium dichotomum var. tenue cypress panicgrass Poaceae Graminoid Dichanthelium hirstii Hirst's panicgrass Poaceae Graminoid Dichanthelium latifolium broadleaf rosette grass Poaceae Graminoid Dichanthelium leucothrix rough panicgrass Poaceae Graminoid Dichanthelium linearifolium slimleaf panicgrass Poaceae Graminoid Dichanthelium longiligulatum coastal plain panicgrass Poaceae Graminoid Dichanthelium meridionale matting rosette grass Poaceae Graminoid Dichanthelium oligosanthes Heller's rosette grass Poaceae Graminoid Dichanthelium oligosanthes var. oligosanthes Heller's rosette grass Poaceae Graminoid Dichanthelium oligosanthes var. scribnerianum Scribner's rosette grass Poaceae Graminoid Dichanthelium ovale eggleaf rosette grass Poaceae Graminoid Dichanthelium ovale var. addisonii Addison's rosette grass Poaceae Graminoid Dichanthelium ovale var. ovale eggleaf rosette grass Poaceae Graminoid Dichanthelium sabulorum hemlock rosette grass Poaceae Graminoid Dichanthelium sabulorum var. patulum hemlock rosette grass Poaceae Graminoid Dichanthelium sabulorum var. thinium hemlock rosette grass Poaceae Graminoid Dichanthelium scabriusculum woolly rosette grass Poaceae Graminoid Dichanthelium ×scoparioides Shasta panicgrass Poaceae Graminoid Dichanthelium scoparium velvet panicum Poaceae Graminoid Dichanthelium sphaerocarpon roundseed panicgrass Poaceae Graminoid Dichanthelium sphaerocarpon var. isophyllum roundseed panicgrass Poaceae Graminoid Dichanthelium sphaerocarpon var. sphaerocarpon roundseed panicgrass Poaceae Graminoid Dichanthelium spretum Eaton's rosette grass Poaceae Graminoid Dichanthelium villosissimum whitehair rosette grass Poaceae Graminoid Dichanthelium villosissimum var. villosissimum whitehair rosette grass Poaceae Graminoid Dichanthelium wrightianum Wright's rosette grass Poaceae Graminoid Dichanthelium xanthophysum slender rosette grass Poaceae Graminoid Diervilla lonicera northern bush honeysuckle Caprifoliaceae Shrub Digitaria ciliaris southern crabgrass Poaceae Graminoid Digitaria cognata fall witchgrass Poaceae Graminoid Digitaria filiformis slender crabgrass Poaceae Graminoid Diodia teres poorjoe Rubiaceae Forb/herb Diodia teres var. teres poorjoe Rubiaceae Forb/herb Diodia virginiana Virginia buttonweed Rubiaceae Subshrub, Forb/herb Diodia virginiana var. virginiana Virginia buttonweed Rubiaceae Subshrub, Forb/herb Dionaea muscipula Venus flytrap Droseraceae Forb/herb Dioscorea quaternata fourleaf yam Dioscoreaceae Vine, Forb/herb Dioscorea villosa wild yam Dioscoreaceae Vine, Forb/herb Diospyros virginiana common persimmon Ebenaceae Tree Diplazium pycnocarpon glade fern Dryopteridaceae Forb/herb Dirca palustris eastern leatherwood Thymelaeaceae Shrub Distichlis spicata saltgrass Poaceae Graminoid Doellingeria infirma cornel-leaf whitetop Asteraceae Forb/herb Doellingeria sericocarpoides southern whitetop Asteraceae Forb/herb Doellingeria umbellata parasol whitetop Asteraceae Forb/herb Doellingeria umbellata var. umbellata parasol whitetop Asteraceae Forb/herb Draba reptans Carolina draba Brassicaceae Forb/herb Dracocephalum parviflorum American dragonhead Lamiaceae Forb/herb Drosera filiformis threadleaf sundew Droseraceae Forb/herb Drosera ×hybrida sundew Droseraceae Forb/herb Drosera intermedia spoonleaf sundew Droseraceae Forb/herb Drosera rotundifolia roundleaf sundew Droseraceae Forb/herb Drosera rotundifolia var. rotundifolia roundleaf sundew Droseraceae Forb/herb Dryopteris ×benedictii woodfern Dryopteridaceae Forb/herb Dryopteris ×boottii woodfern Dryopteridaceae Forb/herb Dryopteris ×burgessii woodfern Dryopteridaceae Forb/herb Dryopteris campyloptera mountain woodfern Dryopteridaceae Forb/herb Dryopteris carthusiana spinulose woodfern Dryopteridaceae Forb/herb Dryopteris celsa log fern Dryopteridaceae Forb/herb Dryopteris clintoniana Clinton's woodfern Dryopteridaceae Forb/herb Dryopteris cristata crested woodfern Dryopteridaceae Forb/herb Dryopteris ×dowellii woodfern Dryopteridaceae Forb/herb Dryopteris goldieana Goldie's woodfern Dryopteridaceae Forb/herb Dryopteris intermedia intermediate woodfern Dryopteridaceae Forb/herb Dryopteris ×leedsii woodfern Dryopteridaceae Forb/herb Dryopteris marginalis marginal woodfern Dryopteridaceae Forb/herb Dryopteris ×mickelii woodfern Dryopteridaceae Forb/herb Dryopteris ×neowherryi woodfern Dryopteridaceae Forb/herb Dryopteris ×pittsfordensis Pittsford woodfern Dryopteridaceae Forb/herb Dryopteris ×separabilis woodfern Dryopteridaceae Forb/herb Dryopteris ×slossoniae woodfern Dryopteridaceae Forb/herb Dryopteris ×triploidea woodfern Dryopteridaceae Forb/herb Dryopteris ×uliginosa woodfern Dryopteridaceae Forb/herb Dulichium arundinaceum three-way sedge Cyperaceae Graminoid Dulichium arundinaceum var. arundinaceum three-way sedge Cyperaceae Graminoid Dysphania ambrosioides Mexican tea Chenopodiaceae Forb/herb, Subshrub Echinacea purpurea eastern purple coneflower Asteraceae Forb/herb Echinochloa muricata rough barnyardgrass Poaceae Graminoid Echinochloa muricata var. microstachya rough barnyardgrass Poaceae Graminoid Echinochloa muricata var. muricata rough barnyardgrass Poaceae Graminoid Echinochloa walteri coast cockspur grass Poaceae Graminoid Echinocystis lobata wild cucumber Cucurbitaceae Vine, Forb/herb Echinodorus tenellus mudbabies Alismataceae Forb/herb Eclipta prostrata false daisy Asteraceae Forb/herb Elatine americana American waterwort Elatinaceae Forb/herb Elatine minima small waterwort Elatinaceae Forb/herb Elatine triandra threestamen waterwort Elatinaceae Forb/herb Eleocharis acicularis needle spikerush Cyperaceae Graminoid Eleocharis acicularis var. acicularis needle spikerush Cyperaceae Graminoid Eleocharis aestuum tidal spikerush Cyperaceae Graminoid Eleocharis brittonii Britton's spikerush Cyperaceae Graminoid Eleocharis compressa flatstem spikerush Cyperaceae Graminoid Eleocharis compressa var. compressa flatstem spikerush Cyperaceae Graminoid Eleocharis elliptica elliptic spikerush Cyperaceae Graminoid Eleocharis engelmannii Engelmann's spikerush Cyperaceae Graminoid Eleocharis equisetoides jointed spikesedge Cyperaceae Graminoid Eleocharis erythropoda bald spikerush Cyperaceae Graminoid Eleocharis fallax creeping spikerush Cyperaceae Graminoid Eleocharis flavescens yellow spikerush Cyperaceae Graminoid Eleocharis flavescens var. flavescens yellow spikerush Cyperaceae Graminoid Eleocharis halophila saltmarsh spikerush Cyperaceae Graminoid Eleocharis intermedia matted spikerush Cyperaceae Graminoid Eleocharis melanocarpa blackfruit spikerush Cyperaceae Graminoid Eleocharis microcarpa smallfruit spikerush Cyperaceae Graminoid Eleocharis minima small spikerush Cyperaceae Graminoid Eleocharis obtusa blunt spikerush Cyperaceae Graminoid Eleocharis olivacea bright green spikerush Cyperaceae Graminoid Eleocharis olivacea var. olivacea bright green spikerush Cyperaceae Graminoid Eleocharis olivacea var. reductiseta bright green spikerush Cyperaceae Graminoid Eleocharis palustris common spikerush Cyperaceae Graminoid Eleocharis palustris var. palustris common spikerush Cyperaceae Graminoid Eleocharis parvula dwarf spikerush Cyperaceae Graminoid Eleocharis quadrangulata squarestem spikerush Cyperaceae Graminoid Eleocharis quinqueflora fewflower spikerush Cyperaceae Graminoid Eleocharis robbinsii Robbins' spikerush Cyperaceae Graminoid Eleocharis rostellata beaked spikerush Cyperaceae Graminoid Eleocharis tenuis slender spikerush Cyperaceae Graminoid Eleocharis tenuis var. pseudoptera slender spikerush Cyperaceae Graminoid Eleocharis tenuis var. tenuis slender spikerush Cyperaceae Graminoid Eleocharis tenuis var. verrucosa slender spikerush Cyperaceae Graminoid Eleocharis tortilis twisted spikerush Cyperaceae Graminoid Eleocharis tricostata three-angle spikerush Cyperaceae Graminoid Eleocharis tuberculosa cone-cup spikerush Cyperaceae Graminoid Eleocharis uniglumis onescale spikerush Cyperaceae Graminoid Elephantopus carolinianus Carolina elephantsfoot Asteraceae Forb/herb Ellisia nyctelea Aunt Lucy Hydrophyllaceae Forb/herb Elodea canadensis Canadian waterweed Hydrocharitaceae Forb/herb Elodea nuttallii western waterweed Hydrocharitaceae Forb/herb Elodea schweinitzii Schweinitz's waterweed Hydrocharitaceae Forb/herb Elymus canadensis Canada wildrye Poaceae Graminoid Elymus glabriflorus southeastern wildrye Poaceae Graminoid Elymus hystrix eastern bottlebrush grass Poaceae Graminoid Elymus hystrix var. bigeloviana eastern bottlebrush grass Poaceae Graminoid Elymus hystrix var. hystrix eastern bottlebrush grass Poaceae Graminoid Elymus riparius riverbank wildrye Poaceae Graminoid Elymus trachycaulus slender wheatgrass Poaceae Graminoid Elymus trachycaulus ssp. subsecundus slender wheatgrass Poaceae Graminoid Elymus trachycaulus ssp. trachycaulus slender wheatgrass Poaceae Graminoid Elymus villosus hairy wildrye Poaceae Graminoid Elymus virginicus Virginia wildrye Poaceae Graminoid Elymus virginicus var. halophilus Virginia wildrye Poaceae Graminoid Elymus virginicus var. virginicus Virginia wildrye Poaceae Graminoid Elymus wiegandii Wiegand's wildrye Poaceae Graminoid Epifagus virginiana beechdrops Orobanchaceae Forb/herb Epigaea repens trailing arbutus Ericaceae Subshrub, Shrub Epilobium ciliatum fringed willowherb Onagraceae Forb/herb Epilobium ciliatum ssp. ciliatum fringed willowherb Onagraceae Forb/herb Epilobium ciliatum ssp. glandulosum fringed willowherb Onagraceae Forb/herb Epilobium coloratum purpleleaf willowherb Onagraceae Forb/herb Epilobium hornemannii Hornemann's willowherb Onagraceae Forb/herb Epilobium leptophyllum bog willowherb Onagraceae Forb/herb Epilobium palustre marsh willowherb Onagraceae Forb/herb Epilobium strictum downy willowherb Onagraceae Forb/herb Equisetum arvense field horsetail Equisetaceae Forb/herb Equisetum ×ferrissii Equisetaceae Forb/herb Equisetum fluviatile water horsetail Equisetaceae Forb/herb Equisetum hyemale scouringrush horsetail Equisetaceae Forb/herb Equisetum hyemale var. affine scouringrush horsetail Equisetaceae Forb/herb Equisetum ×litorale horsetail Equisetaceae Forb/herb Equisetum ×mackaii horsetail Equisetaceae Forb/herb Equisetum palustre marsh horsetail Equisetaceae Forb/herb Equisetum pratense meadow horsetail Equisetaceae Forb/herb Equisetum sylvaticum woodland horsetail Equisetaceae Forb/herb Equisetum variegatum variegated scouringrush Equisetaceae Forb/herb Equisetum variegatum var. variegatum variegated scouringrush Equisetaceae Forb/herb Eragrostis capillaris lace grass Poaceae Graminoid Eragrostis frankii sandbar lovegrass Poaceae Graminoid Eragrostis hirsuta bigtop lovegrass Poaceae Graminoid Eragrostis hypnoides teal lovegrass Poaceae Graminoid Eragrostis pectinacea tufted lovegrass Poaceae Graminoid Eragrostis pectinacea var. pectinacea tufted lovegrass Poaceae Graminoid Eragrostis refracta coastal lovegrass Poaceae Graminoid Eragrostis spectabilis purple lovegrass Poaceae Graminoid Erechtites hieraciifolius American burnweed Asteraceae Forb/herb Erechtites hieraciifolius var. hieraciifolius American burnweed Asteraceae Forb/herb Erechtites hieraciifolius var. megalocarpus American burnweed Asteraceae Forb/herb Erigeron annuus eastern daisy fleabane Asteraceae Forb/herb Erigeron philadelphicus Philadelphia fleabane Asteraceae Forb/herb Erigeron philadelphicus var. philadelphicus Philadelphia fleabane Asteraceae Forb/herb Erigeron pulchellus robin's plantain Asteraceae Forb/herb Erigeron pulchellus var. pulchellus robin's plantain Asteraceae Forb/herb Erigeron strigosus prairie fleabane Asteraceae Forb/herb Erigeron strigosus var. beyrichii Beyrich's fleabane Asteraceae Forb/herb Erigeron strigosus var. strigosus prairie fleabane Asteraceae Forb/herb Eriocaulon aquaticum sevenangle pipewort Eriocaulaceae Forb/herb Eriocaulon compressum flattened pipewort Eriocaulaceae Forb/herb Eriocaulon decangulare tenangle pipewort Eriocaulaceae Forb/herb Eriocaulon decangulare var. decangulare tenangle pipewort Eriocaulaceae Forb/herb Eriocaulon parkeri estuary pipewort Eriocaulaceae Forb/herb Eriophorum gracile slender cottongrass Cyperaceae Graminoid Eriophorum gracile var. gracile slender cottongrass Cyperaceae Graminoid Eriophorum tenellum fewnerved cottongrass Cyperaceae Graminoid Eriophorum vaginatum tussock cottongrass Cyperaceae Graminoid Eriophorum vaginatum var. spissum tussock cottongrass Cyperaceae Graminoid Eriophorum virginicum tawny cottongrass Cyperaceae Graminoid Eriophorum viridicarinatum thinleaf cottonsedge Cyperaceae Graminoid Eryngium aquaticum rattlesnakemaster Apiaceae Forb/herb Eryngium aquaticum var. aquaticum rattlesnakemaster Apiaceae Forb/herb Eryngium yuccifolium button eryngo Apiaceae Forb/herb Eryngium yuccifolium var. yuccifolium button eryngo Apiaceae Forb/herb Erythronium albidum white fawnlily Liliaceae Forb/herb Erythronium americanum dogtooth violet Liliaceae Forb/herb Erythronium americanum ssp. americanum dogtooth violet Liliaceae Forb/herb Eubotrys racemosus swamp doghobble Ericaceae Shrub Euonymus americanus bursting-heart Celastraceae Forb/herb, Subshrub Euonymus atropurpureus burningbush Celastraceae Shrub, Tree Euonymus atropurpureus var. atropurpureus eastern wahoo Celastraceae Shrub, Tree Eupatorium album white thoroughwort Asteraceae Forb/herb Eupatorium album var. album white thoroughwort Asteraceae Forb/herb Eupatorium album var. subvenosum white thoroughwort Asteraceae Forb/herb Eupatorium altissimum tall thoroughwort Asteraceae Forb/herb Eupatorium capillifolium dogfennel Asteraceae Forb/herb Eupatorium godfreyanum Godfrey's thoroughwort Asteraceae Forb/herb Eupatorium hyssopifolium hyssopleaf thoroughwort Asteraceae Forb/herb Eupatorium hyssopifolium var. calcaratum hyssopleaf thoroughwort Asteraceae Forb/herb Eupatorium hyssopifolium var. hyssopifolium hyssopleaf thoroughwort Asteraceae Forb/herb Eupatorium hyssopifolium var. laciniatum hyssopleaf thoroughwort Asteraceae Forb/herb Eupatorium leucolepis justiceweed Asteraceae Forb/herb Eupatorium leucolepis var. leucolepis justiceweed Asteraceae Forb/herb Eupatorium perfoliatum common boneset Asteraceae Forb/herb Eupatorium perfoliatum var. perfoliatum common boneset Asteraceae Forb/herb Eupatorium pilosum rough boneset Asteraceae Forb/herb Eupatorium resinosum pine barren thoroughwort Asteraceae Forb/herb Eupatorium rotundifolium roundleaf thoroughwort Asteraceae Forb/herb Eupatorium rotundifolium var. cordigerum roundleaf thoroughwort Asteraceae Forb/herb Eupatorium rotundifolium var. ovatum roundleaf thoroughwort Asteraceae Forb/herb Eupatorium rotundifolium var. rotundifolium roundleaf thoroughwort Asteraceae Forb/herb Eupatorium serotinum lateflowering thoroughwort Asteraceae Forb/herb Eupatorium sessilifolium upland boneset Asteraceae Forb/herb Eupatorium sessilifolium var. brittonianum upland boneset Asteraceae Forb/herb Eupatorium sessilifolium var. sessilifolium upland boneset Asteraceae Forb/herb Eupatorium sessilifolium var. vaseyi upland boneset Asteraceae Forb/herb Eupatorium ×truncatum thoroughwort Asteraceae Forb/herb Euphorbia corollata flowering spurge Euphorbiaceae Forb/herb Euphorbia dentata toothed spurge Euphorbiaceae Forb/herb Euphorbia dentata var. dentata toothed spurge Euphorbiaceae Forb/herb Euphorbia ipecacuanhae American ipecac Euphorbiaceae Forb/herb Euphorbia marginata snow on the mountain Euphorbiaceae Forb/herb Euphorbia purpurea Darlington's glade spurge Euphorbiaceae Forb/herb Eurybia compacta slender aster Asteraceae Forb/herb, Subshrub Eurybia divaricata white wood aster Asteraceae Forb/herb Eurybia ×herveyi aster Asteraceae Forb/herb Eurybia macrophylla bigleaf aster Asteraceae Forb/herb Eurybia radula low rough aster Asteraceae Forb/herb Eurybia schreberi Schreber's aster Asteraceae Forb/herb Eurybia spectabilis eastern showy aster Asteraceae Forb/herb Euthamia caroliniana slender goldentop Asteraceae Forb/herb Euthamia graminifolia flat-top goldentop Asteraceae Forb/herb Euthamia graminifolia var. graminifolia flat-top goldentop Asteraceae Forb/herb Eutrochium dubium coastal plain joe pye weed Asteraceae Forb/herb Eutrochium fistulosum trumpetweed Asteraceae Forb/herb Eutrochium maculatum spotted joe pye weed Asteraceae Forb/herb Eutrochium maculatum var. maculatum spotted joe pye weed Asteraceae Forb/herb Eutrochium purpureum sweetscented joe pye weed Asteraceae Forb/herb Eutrochium purpureum var. purpureum sweetscented joe pye weed Asteraceae Forb/herb Fagus grandifolia American beech Fagaceae Tree Festuca rubra red fescue Poaceae Graminoid Festuca rubra ssp. rubra red fescue Poaceae Graminoid Festuca subverticillata nodding fescue Poaceae Graminoid Filipendula rubra queen of the prairie Rosaceae Forb/herb Fimbristylis autumnalis slender fimbry Cyperaceae Graminoid Fimbristylis caroliniana Carolina fimbry Cyperaceae Graminoid Fimbristylis castanea marsh fimbry Cyperaceae Graminoid Fimbristylis puberula hairy fimbry Cyperaceae Graminoid Fimbristylis puberula var. puberula hairy fimbry Cyperaceae Graminoid Fimbristylis vahlii Vahl's fimbry Cyperaceae Graminoid Floerkea proserpinacoides false mermaidweed Limnanthaceae Forb/herb Fragaria ×ananassa strawberry Rosaceae Forb/herb Fragaria ×ananassa ssp. ananassa strawberry Rosaceae Forb/herb Fragaria vesca woodland strawberry Rosaceae Forb/herb Fragaria vesca ssp. americana woodland strawberry Rosaceae Forb/herb Fragaria vesca ssp. vesca woodland strawberry Rosaceae Forb/herb Fragaria virginiana Virginia strawberry Rosaceae Forb/herb Fragaria virginiana ssp. virginiana Virginia strawberry Rosaceae Forb/herb Fraxinus americana white ash Oleaceae Tree Fraxinus nigra black ash Oleaceae Tree Fraxinus pennsylvanica green ash Oleaceae Tree Fraxinus profunda pumpkin ash Oleaceae Tree Froelichia floridana plains snakecotton Amaranthaceae Forb/herb Froelichia floridana var. floridana plains snakecotton Amaranthaceae Forb/herb Froelichia gracilis slender snakecotton Amaranthaceae Forb/herb Fuirena pumila dwarf umbrella-sedge Cyperaceae Graminoid Fuirena squarrosa hairy umbrella-sedge Cyperaceae Graminoid Gaillardia pulchella Indian blanket Asteraceae Subshrub, Forb/herb Galactia regularis eastern milkpea Fabaceae Forb/herb, Vine Galactia volubilis downy milkpea Fabaceae Vine, Forb/herb Galearis spectabilis showy orchid Orchidaceae Forb/herb Galium aparine stickywilly Rubiaceae Vine, Forb/herb Galium asprellum rough bedstraw Rubiaceae Forb/herb Galium boreale northern bedstraw Rubiaceae Subshrub, Forb/herb Galium circaezans licorice bedstraw Rubiaceae Subshrub, Forb/herb Galium circaezans var. circaezans licorice bedstraw Rubiaceae Subshrub, Forb/herb Galium circaezans var. hypomalacum licorice bedstraw Rubiaceae Forb/herb Galium concinnum shining bedstraw Rubiaceae Forb/herb Galium hispidulum coastal bedstraw Rubiaceae Forb/herb Galium labradoricum northern bog bedstraw Rubiaceae Forb/herb Galium lanceolatum lanceleaf wild licorice Rubiaceae Forb/herb Galium latifolium purple bedstraw Rubiaceae Forb/herb Galium obtusum bluntleaf bedstraw Rubiaceae Forb/herb Galium obtusum ssp. filifolium bluntleaf bedstraw Rubiaceae Forb/herb Galium obtusum ssp. obtusum bluntleaf bedstraw Rubiaceae Forb/herb Galium palustre common marsh bedstraw Rubiaceae Forb/herb Galium pilosum hairy bedstraw Rubiaceae Forb/herb Galium pilosum var. pilosum hairy bedstraw Rubiaceae Forb/herb Galium pilosum var. puncticulosum hairy bedstraw Rubiaceae Forb/herb Galium tinctorium stiff marsh bedstraw Rubiaceae Forb/herb Galium trifidum threepetal bedstraw Rubiaceae Vine, Forb/herb Galium trifidum ssp. trifidum threepetal bedstraw Rubiaceae Vine, Forb/herb Galium triflorum fragrant bedstraw Rubiaceae Forb/herb, Vine Gamochaeta purpurea spoonleaf purple everlasting Asteraceae Forb/herb Gaultheria hispidula creeping snowberry Ericaceae Subshrub, Shrub Gaultheria procumbens eastern teaberry Ericaceae Subshrub, Shrub Gaylussacia baccata black huckleberry Ericaceae Shrub Gaylussacia dumosa dwarf huckleberry Ericaceae Subshrub, Shrub Gaylussacia frondosa blue huckleberry Ericaceae Shrub Gentiana andrewsii closed bottle gentian Gentianaceae Forb/herb Gentiana andrewsii var. andrewsii closed bottle gentian Gentianaceae Forb/herb Gentiana autumnalis pine barren gentian Gentianaceae Forb/herb Gentiana catesbaei Elliott's gentian Gentianaceae Forb/herb Gentiana clausa bottle gentian Gentianaceae Forb/herb Gentiana linearis narrowleaf gentian Gentianaceae Forb/herb Gentiana saponaria harvestbells Gentianaceae Forb/herb Gentiana saponaria var. saponaria harvestbells Gentianaceae Forb/herb Gentiana villosa striped gentian Gentianaceae Forb/herb Gentianella quinquefolia agueweed Gentianaceae Forb/herb Gentianella quinquefolia ssp. quinquefolia agueweed Gentianaceae Forb/herb Gentianopsis crinita greater fringed gentian Gentianaceae Forb/herb Gentianopsis virgata lesser fringed gentian Gentianaceae Forb/herb Gentianopsis virgata ssp. virgata lesser fringed gentian Gentianaceae Forb/herb Geranium bicknellii Bicknell's cranesbill Geraniaceae Forb/herb Geranium carolinianum Carolina geranium Geraniaceae Forb/herb Geranium carolinianum var. carolinianum Carolina geranium Geraniaceae Forb/herb Geranium maculatum spotted geranium Geraniaceae Forb/herb Geranium robertianum Robert geranium Geraniaceae Forb/herb Geranium robertianum ssp. robertianum Robert geranium Geraniaceae Forb/herb Geum aleppicum yellow avens Rosaceae Forb/herb Geum canadense white avens Rosaceae Forb/herb Geum canadense var. canadense white avens Rosaceae Forb/herb Geum laciniatum rough avens Rosaceae Forb/herb Geum laciniatum var. laciniatum rough avens Rosaceae Forb/herb Geum macrophyllum largeleaf avens Rosaceae Forb/herb Geum rivale purple avens Rosaceae Forb/herb Geum vernum spring avens Rosaceae Forb/herb Geum virginianum cream avens Rosaceae Forb/herb Gillenia trifoliata Bowman's root Rosaceae Forb/herb, Subshrub Glaux maritima sea milkwort Primulaceae Forb/herb Gleditsia aquatica water locust Fabaceae Tree, Shrub Gleditsia triacanthos honeylocust Fabaceae Tree, Shrub Glyceria acutiflora creeping mannagrass Poaceae Graminoid Glyceria borealis small floating mannagrass Poaceae Graminoid Glyceria canadensis rattlesnake mannagrass Poaceae Graminoid Glyceria grandis American mannagrass Poaceae Graminoid Glyceria grandis var. grandis American mannagrass Poaceae Graminoid Glyceria laxa limp mannagrass Poaceae Graminoid Glyceria melicaria melic mannagrass Poaceae Graminoid Glyceria obtusa Atlantic mannagrass Poaceae Graminoid Glyceria septentrionalis floating mannagrass Poaceae Graminoid Glyceria striata fowl mannagrass Poaceae Graminoid Goodyera pubescens downy rattlesnake plantain Orchidaceae Forb/herb Goodyera repens lesser rattlesnake plantain Orchidaceae Forb/herb Goodyera tesselata checkered rattlesnake plantain Orchidaceae Forb/herb Gossypium hirsutum upland cotton Malvaceae Tree, Subshrub, Shrub Gossypium hirsutum var. hirsutum upland cotton Malvaceae Tree, Subshrub, Shrub Gratiola aurea golden hedgehyssop Scrophulariaceae Forb/herb Gratiola neglecta clammy hedgehyssop Scrophulariaceae Forb/herb Gratiola pilosa shaggy hedgehyssop Scrophulariaceae Forb/herb Gratiola virginiana roundfruit hedgehyssop Scrophulariaceae Forb/herb Gratiola virginiana var. aestuariorum roundfruit hedgehyssop Scrophulariaceae Forb/herb Gratiola virginiana var. virginiana roundfruit hedgehyssop Scrophulariaceae Forb/herb Grindelia nuda curlytop gumweed Asteraceae Forb/herb Grindelia nuda var. nuda curlytop gumweed Asteraceae Forb/herb Grindelia squarrosa curlycup gumweed Asteraceae Forb/herb Grindelia squarrosa var. squarrosa curlycup gumweed Asteraceae Forb/herb Gymnocarpium dryopteris western oakfern Dryopteridaceae Forb/herb Gymnocladus dioicus Kentucky coffeetree Fabaceae Tree Gymnopogon ambiguus bearded skeletongrass Poaceae Graminoid Gymnopogon brevifolius shortleaf skeletongrass Poaceae Graminoid Hackelia virginiana beggarslice Boraginaceae Forb/herb Halesia tetraptera mountain silverbell Styracaceae Tree Halesia tetraptera var. tetraptera mountain silverbell Styracaceae Tree Hamamelis virginiana American witchhazel Hamamelidaceae Tree, Shrub Hasteola suaveolens false Indian plantain Asteraceae Forb/herb Hedeoma pulegioides American false pennyroyal Lamiaceae Forb/herb Helenium autumnale common sneezeweed Asteraceae Forb/herb Helenium autumnale var. autumnale common sneezeweed Asteraceae Forb/herb Helenium flexuosum purplehead sneezeweed Asteraceae Forb/herb Helianthemum bicknellii hoary frostweed Cistaceae Subshrub, Forb/herb Helianthemum canadense longbranch frostweed Cistaceae Subshrub, Forb/herb Helianthemum propinquum low frostweed Cistaceae Forb/herb Helianthus angustifolius swamp sunflower Asteraceae Forb/herb Helianthus annuus common sunflower Asteraceae Forb/herb Helianthus atrorubens purpledisk sunflower Asteraceae Forb/herb Helianthus decapetalus thinleaf sunflower Asteraceae Forb/herb Helianthus divaricatus woodland sunflower Asteraceae Forb/herb Helianthus ×doronicoides sunflower Asteraceae Forb/herb Helianthus giganteus giant sunflower Asteraceae Forb/herb Helianthus grosseserratus sawtooth sunflower Asteraceae Forb/herb Helianthus ×laetiflorus cheerful sunflower Asteraceae Forb/herb Helianthus ×luxurians sunflower Asteraceae Forb/herb Helianthus maximiliani Maximilian sunflower Asteraceae Forb/herb Helianthus microcephalus small woodland sunflower Asteraceae Forb/herb Helianthus mollis ashy sunflower Asteraceae Forb/herb Helianthus occidentalis fewleaf sunflower Asteraceae Forb/herb Helianthus occidentalis ssp. occidentalis fewleaf sunflower Asteraceae Forb/herb Helianthus pauciflorus stiff sunflower Asteraceae Forb/herb Helianthus pauciflorus ssp. pauciflorus stiff sunflower Asteraceae Forb/herb Helianthus pauciflorus ssp. subrhomboideus stiff sunflower Asteraceae Forb/herb Helianthus petiolaris prairie sunflower Asteraceae Forb/herb Helianthus petiolaris ssp. petiolaris prairie sunflower Asteraceae Forb/herb Helianthus strumosus paleleaf woodland sunflower Asteraceae Forb/herb Helianthus tuberosus Jerusalem artichoke Asteraceae Forb/herb Heliopsis helianthoides smooth oxeye Asteraceae Forb/herb Heliopsis helianthoides var. helianthoides smooth oxeye Asteraceae Forb/herb Heliopsis helianthoides var. scabra smooth oxeye Asteraceae Forb/herb Heliotropium curassavicum salt heliotrope Boraginaceae Subshrub, Forb/herb Heliotropium curassavicum var. curassavicum salt heliotrope Boraginaceae Subshrub, Forb/herb Helonias bullata swamppink Liliaceae Forb/herb Hepatica nobilis hepatica Ranunculaceae Forb/herb Hepatica nobilis var. obtusa roundlobe hepatica Ranunculaceae Forb/herb Heracleum maximum common cowparsnip Apiaceae Forb/herb Heteranthera dubia grassleaf mudplantain Pontederiaceae Forb/herb Heteranthera multiflora bouquet mudplantain Pontederiaceae Forb/herb Heteranthera reniformis kidneyleaf mudplantain Pontederiaceae Forb/herb Heterotheca camporum lemonyellow false goldenaster Asteraceae Forb/herb Heterotheca camporum var. camporum lemonyellow false goldenaster Asteraceae Forb/herb Heterotheca camporum var. glandulissimum lemonyellow false goldenaster Asteraceae Forb/herb Heterotheca subaxillaris camphorweed Asteraceae Forb/herb Heuchera americana American alumroot Saxifragaceae Forb/herb Heuchera americana var. americana American alumroot Saxifragaceae Forb/herb Hibiscus moscheutos crimsoneyed rosemallow Malvaceae Subshrub, Forb/herb Hieracium gronovii queendevil Asteraceae Forb/herb Hieracium kalmii Kalm's hawkweed Asteraceae Forb/herb Hieracium kalmii var. fasciculatum Canadian hawkweed Asteraceae Forb/herb Hieracium marianum Maryland hawkweed Asteraceae Forb/herb Hieracium paniculatum Allegheny hawkweed Asteraceae Forb/herb Hieracium scabrum rough hawkweed Asteraceae Forb/herb Hieracium scabrum var. scabrum rough hawkweed Asteraceae Forb/herb Hieracium umbellatum narrowleaf hawkweed Asteraceae Forb/herb Hieracium venosum rattlesnakeweed Asteraceae Forb/herb Hierochloe hirta northern sweetgrass Poaceae Graminoid Hierochloe hirta ssp. arctica northern sweetgrass Poaceae Graminoid Hierochloe odorata sweetgrass Poaceae Graminoid Honckenya peploides seaside sandplant Caryophyllaceae Forb/herb Honckenya peploides ssp. robusta seaside sandplant Caryophyllaceae Forb/herb Hordeum brachyantherum meadow barley Poaceae Graminoid Hordeum brachyantherum ssp. brachyantherum meadow barley Poaceae Graminoid Hordeum jubatum foxtail barley Poaceae Graminoid Hordeum jubatum ssp. jubatum foxtail barley Poaceae Graminoid Hordeum pusillum little barley Poaceae Graminoid Hottonia inflata American featherfoil Primulaceae Forb/herb Houstonia caerulea azure bluet Rubiaceae Forb/herb Houstonia longifolia longleaf summer bluet Rubiaceae Forb/herb Houstonia purpurea Venus' pride Rubiaceae Forb/herb Houstonia purpurea var. calycosa Venus' pride Rubiaceae Forb/herb Hudsonia ericoides pine barren goldenheather Cistaceae Subshrub, Shrub Hudsonia tomentosa woolly beachheather Cistaceae Subshrub, Shrub Hudsonia tomentosa var. tomentosa woolly beachheather Cistaceae Subshrub, Shrub Humulus lupulus common hop Cannabaceae Vine, Forb/herb Humulus lupulus var. lupuloides common hop Cannabaceae Vine, Forb/herb Huperzia lucidula shining clubmoss Lycopodiaceae Subshrub, Forb/herb Huperzia porophila rock clubmoss Lycopodiaceae Subshrub, Forb/herb Hybanthus concolor eastern greenviolet Violaceae Forb/herb Hydrangea arborescens wild hydrangea Hydrangeaceae Shrub Hydrastis canadensis goldenseal Ranunculaceae Forb/herb Hydrocotyle americana American marshpennywort Apiaceae Forb/herb Hydrocotyle prolifera whorled marshpennywort Apiaceae Forb/herb Hydrocotyle ranunculoides floating marshpennywort Apiaceae Forb/herb Hydrocotyle umbellata manyflower marshpennywort Apiaceae Forb/herb Hydrocotyle verticillata whorled marshpennywort Apiaceae Forb/herb Hydrocotyle verticillata var. verticillata whorled marshpennywort Apiaceae Forb/herb Hydrophyllum canadense bluntleaf waterleaf Hydrophyllaceae Forb/herb Hydrophyllum virginianum eastern waterleaf Hydrophyllaceae Forb/herb Hydrophyllum virginianum var. virginianum eastern waterleaf Hydrophyllaceae Forb/herb Hylotelephium telephioides Allegheny stonecrop Crassulaceae Forb/herb Hypericum adpressum creeping St. Johnswort Clusiaceae Forb/herb Hypericum ascyron great St. Johnswort Clusiaceae Forb/herb Hypericum boreale northern St. Johnswort Clusiaceae Forb/herb Hypericum canadense lesser Canadian St. Johnswort Clusiaceae Forb/herb Hypericum crux-andreae St. Peterswort Clusiaceae Subshrub, Shrub Hypericum densiflorum bushy St. Johnswort Clusiaceae Shrub Hypericum denticulatum coppery St. Johnswort Clusiaceae Forb/herb Hypericum dissimulatum disguised St. Johnswort Clusiaceae Forb/herb Hypericum ellipticum pale St. Johnswort Clusiaceae Forb/herb Hypericum gentianoides orangegrass Clusiaceae Forb/herb Hypericum gymnanthum claspingleaf St. Johnswort Clusiaceae Forb/herb Hypericum hypericoides St. Andrew's cross Clusiaceae Subshrub, Shrub Hypericum hypericoides ssp. hypericoides St. Andrew's cross Clusiaceae Subshrub, Shrub Hypericum hypericoides ssp. multicaule St. Andrew's cross Clusiaceae Subshrub, Shrub Hypericum majus large St. Johnswort Clusiaceae Forb/herb Hypericum mutilum dwarf St. Johnswort Clusiaceae Forb/herb Hypericum prolificum shrubby St. Johnswort Clusiaceae Shrub, Subshrub Hypericum punctatum spotted St. Johnswort Clusiaceae Forb/herb Hypoxis hirsuta common goldstar Liliaceae Forb/herb Ilex glabra inkberry Aquifoliaceae Shrub Ilex laevigata smooth winterberry Aquifoliaceae Tree, Shrub Ilex montana mountain holly Aquifoliaceae Tree, Shrub Ilex mucronata catberry Aquifoliaceae Shrub, Tree Ilex opaca American holly Aquifoliaceae Tree, Shrub Ilex opaca var. opaca American holly Aquifoliaceae Tree, Shrub Ilex verticillata common winterberry Aquifoliaceae Tree, Shrub Impatiens capensis jewelweed Balsaminaceae Forb/herb Impatiens pallida pale touch-me-not Balsaminaceae Forb/herb Iodanthus pinnatifidus purplerocket Brassicaceae Forb/herb Ionactis linariifolius flaxleaf whitetop aster Asteraceae Forb/herb Ipomoea lacunosa whitestar Convolvulaceae Vine, Forb/herb Ipomoea pandurata man of the earth Convolvulaceae Vine, Forb/herb Ipomopsis rubra standing-cypress Polemoniaceae Forb/herb Iris prismatica slender blue iris Iridaceae Forb/herb Iris versicolor harlequin blueflag Iridaceae Forb/herb Isoetes acadiensis Acadian quillwort Isoetaceae Graminoid Isoetes ×brittonii quillwort Isoetaceae Graminoid Isoetes ×dodgei quillwort Isoetaceae Graminoid Isoetes ×eatonii quillwort Isoetaceae Graminoid Isoetes engelmannii Appalachian quillwort Isoetaceae Graminoid Isoetes ×fairbrothersii quillwort Isoetaceae Graminoid Isoetes ×foveolata quillwort Isoetaceae Graminoid Isoetes lacustris lake quillwort Isoetaceae Graminoid Isoetes melanopoda blackfoot quillwort Isoetaceae Graminoid Isoetes riparia shore quillwort Isoetaceae Graminoid Isoetes riparia var. amesii Ames' quillwort Isoetaceae Graminoid Isoetes riparia var. riparia shore quillwort Isoetaceae Graminoid Isoetes tenella spiny-spore quillwort Isoetaceae Graminoid Isoetes tuckermanii Tuckerman's quillwort Isoetaceae Graminoid Isotria medeoloides small whorled pogonia Orchidaceae Forb/herb Isotria verticillata large whorled pogonia Orchidaceae Forb/herb Itea virginica Virginia sweetspire Grossulariaceae Shrub Iva frutescens Jesuit's bark Asteraceae Subshrub, Forb/herb Iva frutescens ssp. frutescens Jesuit's bark Asteraceae Subshrub, Forb/herb Iva frutescens ssp. oraria Jesuit's bark Asteraceae Subshrub, Forb/herb Jeffersonia diphylla twinleaf Berberidaceae Forb/herb Juglans cinerea butternut Juglandaceae Tree Juglans nigra black walnut Juglandaceae Tree Juncus acuminatus tapertip rush Juncaceae Graminoid Juncus articulatus jointleaf rush Juncaceae Graminoid Juncus biflorus bog rush Juncaceae Graminoid Juncus brachycarpus whiteroot rush Juncaceae Graminoid Juncus brachycephalus smallhead rush Juncaceae Graminoid Juncus brevicaudatus narrowpanicle rush Juncaceae Graminoid Juncus bufonius toad rush Juncaceae Graminoid Juncus bufonius var. bufonius toad rush Juncaceae Graminoid Juncus caesariensis New Jersey rush Juncaceae Graminoid Juncus canadensis Canadian rush Juncaceae Graminoid Juncus coriaceus leathery rush Juncaceae Graminoid Juncus debilis weak rush Juncaceae Graminoid Juncus dichotomus forked rush Juncaceae Graminoid Juncus diffusissimus slimpod rush Juncaceae Graminoid Juncus dudleyi Dudley's rush Juncaceae Graminoid Juncus effusus common rush Juncaceae Graminoid Juncus effusus var. conglomeratus common rush Juncaceae Graminoid Juncus effusus var. pylaei common rush Juncaceae Graminoid Juncus effusus var. solutus lamp rush Juncaceae Graminoid Juncus elliottii Elliott's rush Juncaceae Graminoid Juncus elliottii var. elliottii Elliott's rush Juncaceae Graminoid Juncus filiformis thread rush Juncaceae Graminoid Juncus gerardii saltmeadow rush Juncaceae Graminoid Juncus gerardii var. gerardii saltmeadow rush Juncaceae Graminoid Juncus greenei Greene's rush Juncaceae Graminoid Juncus marginatus grassleaf rush Juncaceae Graminoid Juncus militaris bayonet rush Juncaceae Graminoid Juncus nodosus knotted rush Juncaceae Graminoid Juncus nodosus var. nodosus knotted rush Juncaceae Graminoid Juncus pelocarpus brownfruit rush Juncaceae Graminoid Juncus scirpoides needlepod rush Juncaceae Graminoid Juncus secundus lopsided rush Juncaceae Graminoid Juncus subcaudatus woodland rush Juncaceae Graminoid Juncus subcaudatus var. subcaudatus woodland rush Juncaceae Graminoid Juncus tenuis poverty rush Juncaceae Graminoid Juncus torreyi Torrey's rush Juncaceae Graminoid Juniperus communis common juniper Cupressaceae Tree, Shrub Juniperus communis var. depressa common juniper Cupressaceae Tree, Shrub Juniperus virginiana eastern redcedar Cupressaceae Tree Juniperus virginiana var. virginiana eastern redcedar Cupressaceae Tree Justicia americana American water-willow Acanthaceae Forb/herb Kalmia angustifolia sheep laurel Ericaceae Shrub Kalmia latifolia mountain laurel Ericaceae Tree, Shrub Kalmia polifolia bog laurel Ericaceae Shrub Kosteletzkya virginica Virginia saltmarsh mallow Malvaceae Subshrub, Forb/herb Krigia biflora twoflower dwarfdandelion Asteraceae Forb/herb Krigia biflora var. biflora twoflower dwarfdandelion Asteraceae Forb/herb Krigia dandelion potato dwarfdandelion Asteraceae Forb/herb Krigia virginica Virginia dwarfdandelion Asteraceae Forb/herb Kyllinga brevifolia shortleaf spikesedge Cyperaceae Graminoid Kyllinga gracillima pasture spikesedge Cyperaceae Graminoid Kyllinga pumila low spikesedge Cyperaceae Graminoid Lachnanthes caroliana Carolina redroot Haemodoraceae Forb/herb Lactuca biennis tall blue lettuce Asteraceae Forb/herb Lactuca canadensis Canada lettuce Asteraceae Forb/herb Lactuca floridana woodland lettuce Asteraceae Forb/herb Lactuca floridana var. floridana woodland lettuce Asteraceae Forb/herb Lactuca floridana var. villosa woodland lettuce Asteraceae Forb/herb Lactuca graminifolia grassleaf lettuce Asteraceae Forb/herb Lactuca graminifolia var. graminifolia grassleaf lettuce Asteraceae Forb/herb Lactuca hirsuta hairy lettuce Asteraceae Forb/herb Lactuca hirsuta var. hirsuta hairy lettuce Asteraceae Forb/herb Lactuca hirsuta var. sanguinea hairy lettuce Asteraceae Forb/herb Laportea canadensis Canadian woodnettle Urticaceae Forb/herb Larix laricina tamarack Pinaceae Tree Lathyrus japonicus beach pea Fabaceae Vine, Forb/herb Lathyrus japonicus var. maritimus beach pea Fabaceae Vine, Forb/herb Lathyrus japonicus var. pellitus beach pea Fabaceae Vine, Forb/herb Lathyrus ochroleucus cream pea Fabaceae Vine, Forb/herb Lathyrus palustris marsh pea Fabaceae Vine, Forb/herb Lathyrus venosus veiny pea Fabaceae Vine, Forb/herb Lechea intermedia largepod pinweed Cistaceae Forb/herb Lechea intermedia var. intermedia largepod pinweed Cistaceae Forb/herb Lechea maritima beach pinweed Cistaceae Subshrub, Forb/herb Lechea maritima var. maritima beach pinweed Cistaceae Subshrub, Forb/herb Lechea minor thymeleaf pinweed Cistaceae Forb/herb Lechea mucronata hairy pinweed Cistaceae Forb/herb Lechea pulchella Leggett's pinweed Cistaceae Forb/herb Lechea pulchella var. moniliformis Leggett's pinweed Cistaceae Forb/herb Lechea pulchella var. pulchella Leggett's pinweed Cistaceae Forb/herb Lechea racemulosa Illinois pinweed Cistaceae Forb/herb Lechea tenuifolia narrowleaf pinweed Cistaceae Forb/herb Ledum groenlandicum bog Labrador tea Ericaceae Shrub Leersia oryzoides rice cutgrass Poaceae Graminoid Leersia virginica whitegrass Poaceae Graminoid Leiophyllum buxifolium sandmyrtle Ericaceae Subshrub, Shrub Lemna minor common duckweed Lemnaceae Forb/herb Lemna obscura little duckweed Lemnaceae Forb/herb Lemna perpusilla minute duckweed Lemnaceae Forb/herb Lemna trisulca star duckweed Lemnaceae Forb/herb Lemna valdiviana valdivia duckweed Lemnaceae Forb/herb Lepidium densiflorum common pepperweed Brassicaceae Forb/herb Lepidium virginicum Virginia pepperweed Brassicaceae Forb/herb Lepidium virginicum var. virginicum Virginia pepperweed Brassicaceae Forb/herb Leptochloa fusca Malabar sprangletop Poaceae Graminoid Leptochloa fusca ssp. fascicularis bearded sprangletop Poaceae Graminoid Leptochloa fusca ssp. uninervia Mexican sprangletop Poaceae Graminoid Leptochloa panicea mucronate sprangletop Poaceae Graminoid Leptochloa panicea ssp. brachiata mucronate sprangeltop Poaceae Graminoid Lespedeza angustifolia narrowleaf lespedeza Fabaceae Forb/herb Lespedeza ×brittonii lespedeza Fabaceae Forb/herb Lespedeza capitata roundhead lespedeza Fabaceae Forb/herb Lespedeza frutescens shrubby lespedeza Fabaceae Forb/herb Lespedeza hirta hairy lespedeza Fabaceae Forb/herb Lespedeza hirta ssp. hirta hairy lespedeza Fabaceae Forb/herb Lespedeza ×longifolia lespedeza Fabaceae Forb/herb Lespedeza ×neglecta lespedeza Fabaceae Forb/herb Lespedeza ×nuttallii lespedeza Fabaceae Forb/herb Lespedeza ×oblongifolia lespedeza Fabaceae Forb/herb Lespedeza procumbens trailing lespedeza Fabaceae Forb/herb Lespedeza repens creeping lespedeza Fabaceae Forb/herb Lespedeza ×simulata lespedeza Fabaceae Forb/herb Lespedeza stuevei tall lespedeza Fabaceae Forb/herb Lespedeza violacea violet lespedeza Fabaceae Forb/herb Lespedeza virginica slender lespedeza Fabaceae Forb/herb Leucophysalis grandiflora large false groundcherry Solanaceae Forb/herb Leucospora multifida narrowleaf paleseed Scrophulariaceae Forb/herb Leucothoe fontanesiana highland doghobble Ericaceae Shrub Liatris pilosa shaggy blazing star Asteraceae Forb/herb Liatris pycnostachya prairie blazing star Asteraceae Forb/herb Liatris pycnostachya var. pycnostachya prairie blazing star Asteraceae Forb/herb Liatris scariosa devil's bite Asteraceae Forb/herb Liatris scariosa var. nieuwlandii Nieuwland's blazing star Asteraceae Forb/herb Liatris scariosa var. novae-angliae New England blazing star Asteraceae Forb/herb Liatris scariosa var. scariosa devil's bite Asteraceae Forb/herb Liatris spicata dense blazing star Asteraceae Forb/herb Liatris spicata var. spicata dense blazing star Asteraceae Forb/herb Ligusticum canadense Canadian licorice-root Apiaceae Forb/herb Lilaeopsis chinensis eastern grasswort Apiaceae Forb/herb Lilium canadense Canada lily Liliaceae Forb/herb Lilium canadense ssp. canadense Canada lily Liliaceae Forb/herb Lilium philadelphicum wood lily Liliaceae Forb/herb Lilium philadelphicum var. philadelphicum wood lily Liliaceae Forb/herb Lilium superbum turk's-cap lily Liliaceae Forb/herb Limnobium spongia American spongeplant Hydrocharitaceae Forb/herb Limonium carolinianum lavender thrift Plumbaginaceae Forb/herb Limosella australis Welsh mudwort Scrophulariaceae Forb/herb Lindera benzoin northern spicebush Lauraceae Tree, Shrub Lindera benzoin var. benzoin northern spicebush Lauraceae Tree, Shrub Lindera benzoin var. pubescens northern spicebush Lauraceae Tree, Shrub Lindernia dubia yellowseed false pimpernel Scrophulariaceae Forb/herb Lindernia dubia var. anagallidea yellowseed false pimpernel Scrophulariaceae Forb/herb Lindernia dubia var. dubia yellowseed false pimpernel Scrophulariaceae Forb/herb Linnaea borealis twinflower Caprifoliaceae Forb/herb, Subshrub Linnaea borealis ssp. americana twinflower Caprifoliaceae Forb/herb, Subshrub Linum floridanum Florida yellow flax Linaceae Forb/herb Linum floridanum var. floridanum Florida yellow flax Linaceae Forb/herb Linum intercursum sandplain flax Linaceae Forb/herb Linum medium stiff yellow flax Linaceae Forb/herb Linum medium var. texanum stiff yellow flax Linaceae Forb/herb Linum striatum ridged yellow flax Linaceae Forb/herb Linum sulcatum grooved flax Linaceae Forb/herb Linum sulcatum var. sulcatum grooved flax Linaceae Forb/herb Linum virginianum woodland flax Linaceae Forb/herb Liparis liliifolia brown widelip orchid Orchidaceae Forb/herb Liparis loeselii yellow widelip orchid Orchidaceae Forb/herb Lipocarpha maculata American halfchaff sedge Cyperaceae Graminoid Lipocarpha micrantha smallflower halfchaff sedge Cyperaceae Graminoid Liquidambar styraciflua sweetgum Hamamelidaceae Tree Liriodendron tulipifera tuliptree Magnoliaceae Tree Listera australis southern twayblade Orchidaceae Forb/herb Listera cordata heartleaf twayblade Orchidaceae Forb/herb Listera cordata var. cordata heartleaf twayblade Orchidaceae Forb/herb Listera smallii kidneyleaf twayblade Orchidaceae Forb/herb Lithospermum canescens hoary puccoon Boraginaceae Forb/herb Lobelia boykinii Boykin's lobelia Campanulaceae Forb/herb Lobelia canbyi Canby's lobelia Campanulaceae Forb/herb Lobelia cardinalis cardinalflower Campanulaceae Forb/herb Lobelia dortmanna Dortmann's cardinalflower Campanulaceae Forb/herb Lobelia inflata Indian-tobacco Campanulaceae Forb/herb Lobelia kalmii Ontario lobelia Campanulaceae Forb/herb Lobelia nuttallii Nuttall's lobelia Campanulaceae Forb/herb Lobelia puberula downy lobelia Campanulaceae Forb/herb Lobelia puberula var. puberula downy lobelia Campanulaceae Forb/herb Lobelia siphilitica great blue lobelia Campanulaceae Forb/herb Lobelia siphilitica var. siphilitica great blue lobelia Campanulaceae Forb/herb Lobelia spicata palespike lobelia Campanulaceae Forb/herb Lobelia spicata var. campanulata palespike lobelia Campanulaceae Forb/herb Lobelia spicata var. spicata palespike lobelia Campanulaceae Forb/herb Lonicera canadensis American fly honeysuckle Caprifoliaceae Shrub Lonicera dioica limber honeysuckle Caprifoliaceae Vine Lonicera sempervirens trumpet honeysuckle Caprifoliaceae Vine Lophiola aurea goldencrest Liliaceae Forb/herb Ludwigia alternifolia seedbox Onagraceae Forb/herb Ludwigia brevipes Long Beach primrose-willow Onagraceae Forb/herb Ludwigia hirtella spindleroot Onagraceae Forb/herb Ludwigia linearis narrowleaf primrose-willow Onagraceae Forb/herb Ludwigia palustris marsh seedbox Onagraceae Forb/herb Ludwigia peploides floating primrose-willow Onagraceae Forb/herb Ludwigia peploides ssp. glabrescens floating primrose-willow Onagraceae Forb/herb Ludwigia sphaerocarpa globefruit primrose-willow Onagraceae Forb/herb Lupinus perennis sundial lupine Fabaceae Forb/herb Lupinus perennis ssp. perennis sundial lupine Fabaceae Forb/herb Lupinus perennis ssp. perennis var. occidentalis sundial lupine Fabaceae Forb/herb Lupinus perennis ssp. perennis var. perennis sundial lupine Fabaceae Forb/herb Luzula acuminata hairy woodrush Juncaceae Graminoid Luzula acuminata ssp. acuminata hairy woodrush Juncaceae Graminoid Luzula bulbosa bulbous woodrush Juncaceae Graminoid Luzula echinata hedgehog woodrush Juncaceae Graminoid Luzula multiflora common woodrush Juncaceae Graminoid Luzula multiflora ssp. multiflora common woodrush Juncaceae Graminoid Luzula multiflora ssp. multiflora var. multiflora common woodrush Juncaceae Graminoid Lycopodiella alopecuroides foxtail clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodiella appressa southern bog clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodiella caroliniana slender clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodiella caroliniana var. caroliniana slender clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodiella ×copelandii clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodiella ×gilmanii Lycopodiaceae Forb/herb, Subshrub Lycopodiella inundata inundated clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodium annotinum stiff clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodium clavatum running clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodium dendroideum tree groundpine Lycopodiaceae Subshrub, Forb/herb Lycopodium digitatum fan clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodium ×habereri clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodium hickeyi Pennsylvania clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodium obscurum rare clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopodium tristachyum deeproot clubmoss Lycopodiaceae Subshrub, Forb/herb Lycopus americanus American water horehound Lamiaceae Forb/herb Lycopus amplectens clasping water horehound Lamiaceae Forb/herb Lycopus rubellus taperleaf water horehound Lamiaceae Forb/herb Lycopus uniflorus northern bugleweed Lamiaceae Forb/herb Lycopus uniflorus var. uniflorus northern bugleweed Lamiaceae Forb/herb Lycopus virginicus Virginia water horehound Lamiaceae Forb/herb Lygodium palmatum American climbing fern Lygodiaceae Vine, Forb/herb Lyonia ligustrina maleberry Ericaceae Shrub Lyonia ligustrina var. ligustrina maleberry Ericaceae Shrub Lyonia mariana piedmont staggerbush Ericaceae Shrub Lysimachia ciliata fringed loosestrife Primulaceae Forb/herb Lysimachia hybrida lowland yellow loosestrife Primulaceae Forb/herb Lysimachia lanceolata lanceleaf loosestrife Primulaceae Forb/herb Lysimachia ×producta yellow loosestrife Primulaceae Forb/herb Lysimachia quadrifolia whorled yellow loosestrife Primulaceae Forb/herb Lysimachia terrestris earth loosestrife Primulaceae Forb/herb Lysimachia thyrsiflora tufted loosestrife Primulaceae Forb/herb Lythrum alatum winged lythrum Lythraceae Subshrub, Forb/herb Lythrum alatum var. alatum winged lythrum Lythraceae Subshrub, Forb/herb Lythrum lineare wand lythrum Lythraceae Forb/herb Maclura pomifera osage orange Moraceae Tree, Shrub Magnolia acuminata cucumber tree Magnoliaceae Tree Magnolia tripetala umbrella-tree Magnoliaceae Tree Magnolia virginiana sweetbay Magnoliaceae Tree, Shrub Mahonia aquifolium hollyleaved barberry Berberidaceae Shrub, Subshrub Maianthemum canadense Canada mayflower Liliaceae Forb/herb Maianthemum racemosum feathery false lily of the valley Liliaceae Forb/herb Maianthemum racemosum ssp. racemosum feathery false lily of the valley Liliaceae Forb/herb Maianthemum stellatum starry false lily of the valley Liliaceae Forb/herb Maianthemum trifolium threeleaf false lily of the valley Liliaceae Forb/herb Malaxis bayardii Bayard's adder's-mouth orchid Orchidaceae Forb/herb Malaxis brachypoda white adder's-mouth orchid Orchidaceae Forb/herb Malaxis unifolia green adder's-mouth orchid Orchidaceae Forb/herb Malus angustifolia southern crab apple Rosaceae Tree, Shrub Malus angustifolia var. angustifolia southern crab apple Rosaceae Tree, Shrub Malus angustifolia var. puberula southern crab apple Rosaceae Tree, Shrub Malus coronaria sweet crab apple Rosaceae Tree, Shrub Malus ioensis prairie crab apple Rosaceae Tree, Shrub Malus ioensis var. ioensis prairie crab apple Rosaceae Tree, Shrub Matteuccia struthiopteris ostrich fern Dryopteridaceae Forb/herb Medeola virginiana Indian cucumber Liliaceae Forb/herb Melampyrum lineare narrowleaf cowwheat Scrophulariaceae Forb/herb Melampyrum lineare var. latifolium narrowleaf cowwheat Scrophulariaceae Forb/herb Melampyrum lineare var. lineare narrowleaf cowwheat Scrophulariaceae Forb/herb Melampyrum lineare var. pectinatum narrowleaf cowwheat Scrophulariaceae Forb/herb Melica mutica twoflower melicgrass Poaceae Graminoid Menispermum canadense common moonseed Menispermaceae Vine Mentha arvensis wild mint Lamiaceae Forb/herb Mentha ×piperita peppermint Lamiaceae Forb/herb Menyanthes trifoliata buckbean Menyanthaceae Forb/herb Mertensia virginica Virginia bluebells Boraginaceae Forb/herb Micranthemum micranthemoides Nuttall's mudflower Scrophulariaceae Forb/herb Mikania scandens climbing hempvine Asteraceae Vine, Forb/herb Milium effusum American milletgrass Poaceae Graminoid Milium effusum var. cisatlanticum American milletgrass Poaceae Graminoid Mimulus alatus sharpwing monkeyflower Scrophulariaceae Forb/herb Mimulus moschatus muskflower Scrophulariaceae Forb/herb Mimulus moschatus var. moschatus muskflower Scrophulariaceae Forb/herb Mimulus ringens Allegheny monkeyflower Scrophulariaceae Forb/herb Mimulus ringens var. ringens Allegheny monkeyflower Scrophulariaceae Forb/herb Minuartia caroliniana pine barren stitchwort Caryophyllaceae Forb/herb Minuartia michauxii Michaux's stitchwort Caryophyllaceae Forb/herb Minuartia michauxii var. michauxii Michaux's stitchwort Caryophyllaceae Forb/herb Mirabilis hirsuta hairy four o'clock Nyctaginaceae Forb/herb Mirabilis linearis narrowleaf four o'clock Nyctaginaceae Subshrub, Forb/herb Mirabilis nyctaginea heartleaf four o'clock Nyctaginaceae Forb/herb Mitchella repens partridgeberry Rubiaceae Subshrub, Forb/herb Mitella diphylla twoleaf miterwort Saxifragaceae Forb/herb Mitella ×intermedia miterwort Saxifragaceae Forb/herb Mitella nuda naked miterwort Saxifragaceae Forb/herb Mitella prostrata creeping bishop's cap Saxifragaceae Forb/herb Moehringia lateriflora bluntleaf sandwort Caryophyllaceae Forb/herb Mollugo verticillata green carpetweed Molluginaceae Forb/herb Monarda clinopodia white bergamot Lamiaceae Forb/herb Monarda didyma scarlet beebalm Lamiaceae Forb/herb Monarda fistulosa wild bergamot Lamiaceae Subshrub, Forb/herb Monarda fistulosa ssp. fistulosa wild bergamot Lamiaceae Subshrub, Forb/herb Monarda fistulosa ssp. fistulosa var. fistulosa wild bergamot Lamiaceae Forb/herb Monarda fistulosa ssp. fistulosa var. mollis wild bergamot Lamiaceae Forb/herb Monarda fistulosa ssp. fistulosa var. rubra wild bergamot Lamiaceae Forb/herb Monarda media purple bergamot Lamiaceae Forb/herb Monarda punctata spotted beebalm Lamiaceae Subshrub, Forb/herb Monarda punctata ssp. punctata spotted beebalm Lamiaceae Subshrub, Forb/herb Monarda punctata ssp. punctata var. punctata spotted beebalm Lamiaceae Subshrub, Forb/herb Monarda punctata ssp. punctata var. villicaulis spotted beebalm Lamiaceae Subshrub, Forb/herb Monotropa hypopitys pinesap Monotropaceae Forb/herb Monotropa uniflora Indianpipe Monotropaceae Forb/herb Morella caroliniensis southern bayberry Myricaceae Tree, Shrub Morella cerifera wax myrtle Myricaceae Tree, Subshrub, Shrub Morella ×macfarlanei bayberry Myricaceae Tree Morella pensylvanica northern bayberry Myricaceae Tree, Shrub Morus rubra red mulberry Moraceae Tree Morus rubra var. rubra red mulberry Moraceae Tree Muhlenbergia capillaris hairawn muhly Poaceae Graminoid Muhlenbergia frondosa wirestem muhly Poaceae Graminoid Muhlenbergia glomerata spiked muhly Poaceae Graminoid Muhlenbergia mexicana Mexican muhly Poaceae Graminoid Muhlenbergia schreberi nimblewill Poaceae Graminoid Muhlenbergia sobolifera rock muhly Poaceae Graminoid Muhlenbergia sylvatica woodland muhly Poaceae Graminoid Muhlenbergia tenuiflora slimflower muhly Poaceae Graminoid Muhlenbergia torreyana New Jersey muhly Poaceae Graminoid Muhlenbergia uniflora bog muhly Poaceae Graminoid Myosotis laxa bay forget-me-not Boraginaceae Forb/herb Myosotis verna spring forget-me-not Boraginaceae Forb/herb Myrica gale sweetgale Myricaceae Shrub Myriophyllum heterophyllum twoleaf watermilfoil Haloragaceae Forb/herb Myriophyllum humile low watermilfoil Haloragaceae Forb/herb Myriophyllum pinnatum cutleaf watermilfoil Haloragaceae Forb/herb Myriophyllum sibiricum shortspike watermilfoil Haloragaceae Forb/herb Myriophyllum tenellum slender watermilfoil Haloragaceae Forb/herb Myriophyllum verticillatum whorl-leaf watermilfoil Haloragaceae Forb/herb Najas flexilis nodding waternymph Najadaceae Forb/herb Najas gracillima slender waternymph Najadaceae Forb/herb Najas guadalupensis southern waternymph Najadaceae Forb/herb Najas guadalupensis ssp. guadalupensis southern waternymph Najadaceae Forb/herb Najas guadalupensis ssp. muenscheri Muenscher's waternymph Najadaceae Forb/herb Narthecium americanum yellow asphodel Liliaceae Forb/herb Nelumbo lutea American lotus Nelumbonaceae Forb/herb Neobeckia aquatica lakecress Brassicaceae Forb/herb Nuphar lutea yellow pond-lily Nymphaeaceae Forb/herb Nuphar lutea ssp. advena yellow pond-lily Nymphaeaceae Forb/herb Nuphar lutea ssp. pumila yellow pond-lily Nymphaeaceae Forb/herb Nuphar lutea ssp. rubrodisca yellow pond-lily Nymphaeaceae Forb/herb Nuphar lutea ssp. variegata varigated yellow pond-lily Nymphaeaceae Forb/herb Nuttallanthus canadensis Canada toadflax Scrophulariaceae Forb/herb Nymphaea odorata American white waterlily Nymphaeaceae Forb/herb Nymphaea odorata ssp. odorata American white waterlily Nymphaeaceae Forb/herb Nymphaea odorata ssp. tuberosa American white waterlily Nymphaeaceae Forb/herb Nymphoides cordata little floatingheart Menyanthaceae Forb/herb Nyssa biflora swamp tupelo Cornaceae Tree Nyssa sylvatica blackgum Cornaceae Tree Obolaria virginica Virginia pennywort Gentianaceae Forb/herb Oclemena acuminata whorled wood aster Asteraceae Forb/herb Oclemena ×blakei aster Asteraceae Forb/herb Oclemena nemoralis bog aster Asteraceae Forb/herb Oenothera biennis common evening primrose Onagraceae Forb/herb Oenothera cinerea high-plains beeblossom Onagraceae Subshrub, Forb/herb Oenothera cinerea ssp. cinerea high-plains beeblossom Onagraceae Subshrub, Forb/herb Oenothera clelandii Cleland's evening primrose Onagraceae Forb/herb Oenothera fruticosa narrowleaf evening primrose Onagraceae Forb/herb Oenothera fruticosa ssp. fruticosa narrowleaf evening primrose Onagraceae Forb/herb Oenothera fruticosa ssp. tetragona narrowleaf evening primrose Onagraceae Forb/herb Oenothera grandiflora largeflower evening primrose Onagraceae Forb/herb Oenothera grandis showy evening primrose Onagraceae Forb/herb Oenothera humifusa seabeach evening primrose Onagraceae Subshrub, Forb/herb Oenothera laciniata cutleaf evening primrose Onagraceae Forb/herb Oenothera nutans nodding evening primrose Onagraceae Forb/herb Oenothera oakesiana Oakes' evening primrose Onagraceae Forb/herb Oenothera parviflora northern evening primrose Onagraceae Forb/herb Oenothera perennis little evening primrose Onagraceae Forb/herb Oenothera pilosella meadow evening primrose Onagraceae Forb/herb Oenothera pilosella ssp. pilosella meadow evening primrose Onagraceae Forb/herb Oenothera villosa hairy evening primrose Onagraceae Forb/herb Oenothera villosa ssp. villosa hairy evening primrose Onagraceae Forb/herb Oldenlandia uniflora clustered mille graines Rubiaceae Subshrub, Forb/herb Oligoneuron rigidum stiff goldenrod Asteraceae Forb/herb Oligoneuron rigidum var. rigidum stiff goldenrod Asteraceae Forb/herb Onoclea sensibilis sensitive fern Dryopteridaceae Forb/herb Onosmodium virginianum wild Job's tears Boraginaceae Forb/herb Ophioglossum pusillum northern adderstongue Ophioglossaceae Forb/herb Ophioglossum vulgatum southern adderstongue Ophioglossaceae Forb/herb Opuntia humifusa devil's-tongue Cactaceae Shrub Orobanche uniflora oneflowered broomrape Orobanchaceae Forb/herb Orontium aquaticum goldenclub Araceae Forb/herb Orthilia secunda sidebells wintergreen Pyrolaceae Subshrub Oryzopsis asperifolia roughleaf ricegrass Poaceae Graminoid Osmorhiza claytonii Clayton's sweetroot Apiaceae Forb/herb Osmorhiza longistylis longstyle sweetroot Apiaceae Forb/herb Osmunda cinnamomea cinnamon fern Osmundaceae Forb/herb Osmunda cinnamomea var. cinnamomea cinnamon fern Osmundaceae Forb/herb Osmunda cinnamomea var. glandulosa cinnamon fern Osmundaceae Forb/herb Osmunda claytoniana interrupted fern Osmundaceae Forb/herb Osmunda regalis royal fern Osmundaceae Forb/herb Osmunda regalis var. spectabilis royal fern Osmundaceae Forb/herb Ostrya virginiana hophornbeam Betulaceae Tree, Shrub Oxalis corniculata creeping woodsorrel Oxalidaceae Forb/herb Oxalis dillenii slender yellow woodsorrel Oxalidaceae Forb/herb Oxalis montana mountain woodsorrel Oxalidaceae Forb/herb Oxalis stricta common yellow oxalis Oxalidaceae Forb/herb Oxalis violacea violet woodsorrel Oxalidaceae Forb/herb Oxypolis rigidior stiff cowbane Apiaceae Forb/herb Packera anonyma Small's ragwort Asteraceae Forb/herb Packera aurea golden ragwort Asteraceae Forb/herb Packera obovata roundleaf ragwort Asteraceae Forb/herb Packera paupercula balsam groundsel Asteraceae Forb/herb Packera tomentosa woolly ragwort Asteraceae Forb/herb Panax quinquefolius American ginseng Araliaceae Forb/herb Panax trifolius dwarf ginseng Araliaceae Forb/herb Panicum amarum bitter panicgrass Poaceae Graminoid Panicum amarum var. amarulum coastal panicgrass Poaceae Graminoid Panicum amarum var. amarum bitter panicgrass Poaceae Graminoid Panicum anceps beaked panicgrass Poaceae Graminoid Panicum capillare witchgrass Poaceae Graminoid Panicum dichotomiflorum fall panicgrass Poaceae Graminoid Panicum dichotomiflorum var. dichotomiflorum fall panicgrass Poaceae Graminoid Panicum dichotomiflorum var. puritanorum fall panicgrass Poaceae Graminoid Panicum flexile wiry panicgrass Poaceae Graminoid Panicum gattingeri Gattinger's panicgrass Poaceae Graminoid Panicum hemitomon maidencane Poaceae Graminoid Panicum philadelphicum Philadelphia panicgrass Poaceae Graminoid Panicum rigidulum redtop panicgrass Poaceae Graminoid Panicum rigidulum var. elongatum redtop panicgrass Poaceae Graminoid Panicum rigidulum var. pubescens redtop panicgrass Poaceae Graminoid Panicum rigidulum var. rigidulum redtop panicgrass Poaceae Graminoid Panicum verrucosum warty panicgrass Poaceae Graminoid Panicum virgatum switchgrass Poaceae Graminoid Panicum virgatum var. spissum switchgrass Poaceae Graminoid Panicum virgatum var. virgatum switchgrass Poaceae Graminoid Parietaria pensylvanica Pennsylvania pellitory Urticaceae Forb/herb Parnassia glauca fen grass of Parnassus Saxifragaceae Forb/herb Paronychia canadensis smooth forked nailwort Caryophyllaceae Forb/herb Paronychia fastigiata hairy forked nailwort Caryophyllaceae Forb/herb Paronychia fastigiata var. fastigiata hairy forked nailwort Caryophyllaceae Forb/herb Paronychia fastigiata var. paleacea hairy forked nailwort Caryophyllaceae Forb/herb Paronychia montana mountain nailwort Caryophyllaceae Forb/herb Parthenocissus quinquefolia Virginia creeper Vitaceae Vine Parthenocissus vitacea woodbine Vitaceae Vine Paspalum dissectum mudbank crowngrass Poaceae Graminoid Paspalum distichum knotgrass Poaceae Graminoid Paspalum floridanum Florida paspalum Poaceae Graminoid Paspalum laeve field paspalum Poaceae Graminoid Paspalum notatum bahiagrass Poaceae Graminoid Paspalum notatum var. notatum bahiagrass Poaceae Graminoid Paspalum setaceum thin paspalum Poaceae Graminoid Passiflora incarnata purple passionflower Passifloraceae Vine, Forb/herb Patis racemosa blackseed ricegrass Poaceae Graminoid Pedicularis canadensis Canadian lousewort Scrophulariaceae Subshrub, Forb/herb Pedicularis canadensis ssp. canadensis Canadian lousewort Scrophulariaceae Subshrub, Forb/herb Pedicularis lanceolata swamp lousewort Scrophulariaceae Forb/herb Pellaea atropurpurea purple cliffbrake Pteridaceae Forb/herb Pellaea glabella smooth cliffbrake Pteridaceae Forb/herb Pellaea glabella ssp. glabella smooth cliffbrake Pteridaceae Forb/herb Peltandra virginica green arrow arum Araceae Forb/herb Penstemon calycosus longsepal beardtongue Scrophulariaceae Forb/herb Penstemon digitalis foxglove beardtongue Scrophulariaceae Forb/herb Penstemon hirsutus hairy beardtongue Scrophulariaceae Forb/herb Penstemon laevigatus eastern smooth beardtongue Scrophulariaceae Forb/herb Penstemon pallidus pale beardtongue Scrophulariaceae Forb/herb Penthorum sedoides ditch stonecrop Crassulaceae Forb/herb Phacelia bipinnatifida fernleaf phacelia Hydrophyllaceae Forb/herb Phacelia purshii Miami mist Hydrophyllaceae Forb/herb Phalaris arundinacea reed canarygrass Poaceae Graminoid Phaseolus polystachios thicket bean Fabaceae Vine, Forb/herb Phaseolus polystachios var. polystachios thicket bean Fabaceae Vine, Forb/herb Phegopteris connectilis long beechfern Thelypteridaceae Forb/herb Phegopteris hexagonoptera broad beechfern Thelypteridaceae Forb/herb Philadelphus inodorus scentless mock orange Hydrangeaceae Shrub Phlox divaricata wild blue phlox Polemoniaceae Forb/herb Phlox divaricata ssp. divaricata wild blue phlox Polemoniaceae Forb/herb Phlox maculata wild sweetwilliam Polemoniaceae Forb/herb Phlox maculata ssp. maculata wild sweetwilliam Polemoniaceae Forb/herb Phlox paniculata fall phlox Polemoniaceae Forb/herb Phlox pilosa downy phlox Polemoniaceae Forb/herb Phlox pilosa ssp. pilosa downy phlox Polemoniaceae Forb/herb Phlox subulata moss phlox Polemoniaceae Subshrub, Forb/herb Phlox subulata ssp. subulata moss phlox Polemoniaceae Subshrub, Forb/herb Phoradendron leucarpum oak mistletoe Viscaceae Subshrub, Shrub Phragmites australis common reed Poaceae Subshrub, Shrub, Graminoid Phragmites australis ssp. americanus American common reed Poaceae Graminoid Phryma leptostachya American lopseed Verbenaceae Forb/herb Phyla lanceolata lanceleaf fogfruit Verbenaceae Forb/herb Phyla nodiflora turkey tangle fogfruit Verbenaceae Forb/herb Physalis angulata cutleaf groundcherry Solanaceae Forb/herb Physalis grisea strawberry-tomato Solanaceae Forb/herb Physalis heterophylla clammy groundcherry Solanaceae Forb/herb Physalis heterophylla var. heterophylla clammy groundcherry Solanaceae Forb/herb Physalis longifolia longleaf groundcherry Solanaceae Forb/herb Physalis longifolia var. subglabrata longleaf groundcherry Solanaceae Forb/herb Physalis pubescens husk tomato Solanaceae Forb/herb Physalis pubescens var. integrifolia husk tomato Solanaceae Forb/herb Physalis pubescens var. pubescens husk tomato Solanaceae Forb/herb Physalis pumila dwarf groundcherry Solanaceae Forb/herb Physalis virginiana Virginia groundcherry Solanaceae Forb/herb Physalis virginiana var. virginiana Virginia groundcherry Solanaceae Forb/herb Physocarpus opulifolius common ninebark Rosaceae Shrub Physocarpus opulifolius var. opulifolius common ninebark Rosaceae Shrub Physostegia virginiana obedient plant Lamiaceae Forb/herb Physostegia virginiana ssp. virginiana obedient plant Lamiaceae Forb/herb Phytolacca americana American pokeweed Phytolaccaceae Forb/herb Phytolacca americana var. americana American pokeweed Phytolaccaceae Forb/herb Picea glauca white spruce Pinaceae Tree Picea mariana black spruce Pinaceae Tree Picea rubens red spruce Pinaceae Tree Picris hieracioides hawkweed oxtongue Asteraceae Forb/herb Pilea fontana lesser clearweed Urticaceae Forb/herb Pilea pumila Canadian clearweed Urticaceae Forb/herb Pilea pumila var. pumila Canadian clearweed Urticaceae Forb/herb Pinus echinata shortleaf pine Pinaceae Tree Pinus pungens Table Mountain pine Pinaceae Tree Pinus resinosa red pine Pinaceae Tree Pinus rigida pitch pine Pinaceae Tree Pinus serotina pond pine Pinaceae Tree Pinus strobus eastern white pine Pinaceae Tree Pinus taeda loblolly pine Pinaceae Tree Pinus virginiana Virginia pine Pinaceae Tree Piptatheropsis pungens mountain ricegrass Poaceae Graminoid Piptochaetium avenaceum blackseed speargrass Poaceae Graminoid Pistia stratiotes water lettuce Araceae Forb/herb Pityopsis falcata sickleleaf silkgrass Asteraceae Forb/herb Plantago aristata largebracted plantain Plantaginaceae Forb/herb Plantago heterophylla slender plantain Plantaginaceae Forb/herb Plantago maritima goose tongue Plantaginaceae Forb/herb Plantago maritima var. juncoides goose tongue Plantaginaceae Forb/herb Plantago patagonica woolly plantain Plantaginaceae Forb/herb Plantago pusilla dwarf plantain Plantaginaceae Forb/herb Plantago rugelii blackseed plantain Plantaginaceae Forb/herb Plantago rugelii var. rugelii blackseed plantain Plantaginaceae Forb/herb Plantago virginica Virginia plantain Plantaginaceae Forb/herb Platanthera aquilonis northern green orchid Orchidaceae Forb/herb Platanthera ×bicolor fringed orchid Orchidaceae Forb/herb Platanthera blephariglottis white fringed orchid Orchidaceae Forb/herb Platanthera blephariglottis var. blephariglottis white fringed orchid Orchidaceae Forb/herb Platanthera blephariglottis var. conspicua white fringed orchid Orchidaceae Forb/herb Platanthera ×canbyi fringed orchid Orchidaceae Forb/herb Platanthera ×channellii fringed orchid Orchidaceae Forb/herb Platanthera ciliaris yellow fringed orchid Orchidaceae Forb/herb Platanthera clavellata small green wood orchid Orchidaceae Forb/herb Platanthera cristata crested yellow orchid Orchidaceae Forb/herb Platanthera flava palegreen orchid Orchidaceae Forb/herb Platanthera flava var. flava palegreen orchid Orchidaceae Forb/herb Platanthera flava var. herbiola palegreen orchid Orchidaceae Forb/herb Platanthera grandiflora greater purple fringed orchid Orchidaceae Forb/herb Platanthera hookeri Hooker's orchid Orchidaceae Forb/herb Platanthera huronensis Huron green orchid Orchidaceae Forb/herb Platanthera integra yellow fringeless orchid Orchidaceae Forb/herb Platanthera lacera green fringed orchid Orchidaceae Forb/herb Platanthera nivea snowy orchid Orchidaceae Forb/herb Platanthera orbiculata lesser roundleaved orchid Orchidaceae Forb/herb Platanthera peramoena purple fringeless orchid Orchidaceae Forb/herb Platanthera psycodes lesser purple fringed orchid Orchidaceae Forb/herb Platanus occidentalis American sycamore Platanaceae Tree Pluchea camphorata camphor pluchea Asteraceae Forb/herb Pluchea foetida stinking camphorweed Asteraceae Forb/herb Pluchea foetida var. foetida stinking camphorweed Asteraceae Forb/herb Pluchea odorata sweetscent Asteraceae Subshrub, Forb/herb Pluchea odorata var. succulenta sweetscent Asteraceae Subshrub, Forb/herb Poa alsodes grove bluegrass Poaceae Graminoid Poa arida plains bluegrass Poaceae Graminoid Poa autumnalis autumn bluegrass Poaceae Graminoid Poa cuspidata early bluegrass Poaceae Graminoid Poa nemoralis wood bluegrass Poaceae Graminoid Poa paludigena bog bluegrass Poaceae Graminoid Poa palustris fowl bluegrass Poaceae Graminoid Poa pratensis Kentucky bluegrass Poaceae Graminoid Poa saltuensis oldpasture bluegrass Poaceae Graminoid Poa sylvestris woodland bluegrass Poaceae Graminoid Podophyllum peltatum mayapple Berberidaceae Forb/herb Podostemum ceratophyllum hornleaf riverweed Podostemaceae Forb/herb Pogonia ophioglossoides snakemouth orchid Orchidaceae Forb/herb Polanisia dodecandra redwhisker clammyweed Capparaceae Forb/herb Polanisia dodecandra ssp. dodecandra redwhisker clammyweed Capparaceae Forb/herb Polemonium reptans Greek valerian Polemoniaceae Subshrub, Forb/herb Polemonium reptans var. reptans Greek valerian Polemoniaceae Subshrub, Forb/herb Polemonium vanbruntiae Vanbrunt's polemonium Polemoniaceae Forb/herb Polygala ambigua whorled milkwort Polygalaceae Forb/herb Polygala brevifolia littleleaf milkwort Polygalaceae Forb/herb Polygala cruciata drumheads Polygalaceae Forb/herb Polygala cruciata var. aquilonia drumheads Polygalaceae Forb/herb Polygala incarnata procession flower Polygalaceae Forb/herb Polygala lutea orange milkwort Polygalaceae Forb/herb Polygala mariana Maryland milkwort Polygalaceae Forb/herb Polygala nuttallii Nuttall's milkwort Polygalaceae Forb/herb Polygala paucifolia gaywings Polygalaceae Forb/herb Polygala polygama racemed milkwort Polygalaceae Forb/herb Polygala ramosa low pinebarren milkwort Polygalaceae Forb/herb Polygala sanguinea purple milkwort Polygalaceae Forb/herb Polygala senega Seneca snakeroot Polygalaceae Forb/herb Polygala verticillata whorled milkwort Polygalaceae Forb/herb Polygala verticillata var. isocycla whorled milkwort Polygalaceae Forb/herb Polygala verticillata var. verticillata whorled milkwort Polygalaceae Forb/herb Polygonatum biflorum smooth Solomon's seal Liliaceae Forb/herb Polygonatum biflorum var. commutatum smooth Solomon's seal Liliaceae Forb/herb Polygonatum pubescens hairy Solomon's seal Liliaceae Forb/herb Polygonella articulata coastal jointweed Polygonaceae Subshrub, Forb/herb Polygonum amphibium water knotweed Polygonaceae Forb/herb Polygonum amphibium var. emersum longroot smartweed Polygonaceae Forb/herb Polygonum amphibium var. stipulaceum water smartweed Polygonaceae Forb/herb Polygonum arifolium halberdleaf tearthumb Polygonaceae Vine, Forb/herb Polygonum buxiforme box knotweed Polygonaceae Forb/herb Polygonum careyi Carey's smartweed Polygonaceae Forb/herb Polygonum cilinode fringed black bindweed Polygonaceae Vine, Forb/herb Polygonum erectum erect knotweed Polygonaceae Forb/herb Polygonum glabrum denseflower knotweed Polygonaceae Forb/herb Polygonum glaucum seaside knotweed Polygonaceae Subshrub, Forb/herb Polygonum hydropiperoides swamp smartweed Polygonaceae Forb/herb Polygonum lapathifolium curlytop knotweed Polygonaceae Forb/herb Polygonum pensylvanicum Pennsylvania smartweed Polygonaceae Forb/herb Polygonum punctatum dotted smartweed Polygonaceae Forb/herb Polygonum punctatum var. confertiflorum dotted smartweed Polygonaceae Forb/herb Polygonum punctatum var. punctatum dotted smartweed Polygonaceae Forb/herb Polygonum ramosissimum bushy knotweed Polygonaceae Forb/herb Polygonum ramosissimum var. prolificum bushy knotweed Polygonaceae Forb/herb Polygonum ramosissimum var. ramosissimum bushy knotweed Polygonaceae Forb/herb Polygonum robustius stout smartweed Polygonaceae Forb/herb Polygonum sagittatum arrowleaf tearthumb Polygonaceae Vine, Forb/herb Polygonum scandens climbing false buckwheat Polygonaceae Vine, Forb/herb Polygonum scandens var. cristatum climbing false buckwheat Polygonaceae Vine, Forb/herb Polygonum scandens var. scandens climbing false buckwheat Polygonaceae Vine, Forb/herb Polygonum setaceum bog smartweed Polygonaceae Forb/herb Polygonum tenue pleatleaf knotweed Polygonaceae Forb/herb Polygonum virginianum jumpseed Polygonaceae Forb/herb Polypodium appalachianum Appalachian polypody Polypodiaceae Forb/herb Polypodium ×incognitum Hybrid rock polypody Polypodiaceae Forb/herb Polypodium virginianum rock polypody Polypodiaceae Forb/herb Polypremum procumbens juniper leaf Buddlejaceae Forb/herb Polystichum acrostichoides Christmas fern Dryopteridaceae Forb/herb Polystichum acrostichoides var. acrostichoides Christmas fern Dryopteridaceae Forb/herb Pontederia cordata pickerelweed Pontederiaceae Forb/herb Populus balsamifera balsam poplar Salicaceae Tree Populus deltoides eastern cottonwood Salicaceae Tree Populus deltoides ssp. deltoides eastern cottonwood Salicaceae Tree Populus grandidentata bigtooth aspen Salicaceae Tree Populus heterophylla swamp cottonwood Salicaceae Tree Populus ×jackii balm-of-Gilead Salicaceae Tree Populus tremuloides quaking aspen Salicaceae Tree Portulaca oleracea little hogweed Portulacaceae Forb/herb Portulaca pilosa kiss me quick Portulacaceae Forb/herb Potamogeton alpinus alpine pondweed Potamogetonaceae Forb/herb Potamogeton amplifolius largeleaf pondweed Potamogetonaceae Forb/herb Potamogeton bicupulatus snailseed pondweed Potamogetonaceae Forb/herb Potamogeton confervoides Tuckerman's pondweed Potamogetonaceae Forb/herb Potamogeton diversifolius waterthread pondweed Potamogetonaceae Forb/herb Potamogeton epihydrus ribbonleaf pondweed Potamogetonaceae Forb/herb Potamogeton foliosus leafy pondweed Potamogetonaceae Forb/herb Potamogeton foliosus ssp. foliosus leafy pondweed Potamogetonaceae Forb/herb Potamogeton gramineus variableleaf pondweed Potamogetonaceae Forb/herb Potamogeton illinoensis Illinois pondweed Potamogetonaceae Forb/herb Potamogeton natans floating pondweed Potamogetonaceae Forb/herb Potamogeton ×nitens pondweed Potamogetonaceae Forb/herb Potamogeton nodosus longleaf pondweed Potamogetonaceae Forb/herb Potamogeton oakesianus Oakes' pondweed Potamogetonaceae Forb/herb Potamogeton obtusifolius bluntleaf pondweed Potamogetonaceae Forb/herb Potamogeton perfoliatus claspingleaf pondweed Potamogetonaceae Forb/herb Potamogeton praelongus whitestem pondweed Potamogetonaceae Forb/herb Potamogeton pulcher spotted pondweed Potamogetonaceae Forb/herb Potamogeton pusillus small pondweed Potamogetonaceae Forb/herb Potamogeton pusillus ssp. pusillus small pondweed Potamogetonaceae Forb/herb Potamogeton pusillus ssp. tenuissimus small pondweed Potamogetonaceae Forb/herb Potamogeton richardsonii Richardson's pondweed Potamogetonaceae Forb/herb Potamogeton robbinsii Robbins' pondweed Potamogetonaceae Forb/herb Potamogeton spirillus spiral pondweed Potamogetonaceae Forb/herb Potamogeton vaseyi Vasey's pondweed Potamogetonaceae Forb/herb Potamogeton zosteriformis flatstem pondweed Potamogetonaceae Forb/herb Potentilla arguta tall cinquefoil Rosaceae Subshrub, Forb/herb Potentilla arguta ssp. arguta tall cinquefoil Rosaceae Subshrub, Forb/herb Potentilla canadensis dwarf cinquefoil Rosaceae Forb/herb Potentilla canadensis var. canadensis dwarf cinquefoil Rosaceae Forb/herb Potentilla canadensis var. villosissima dwarf cinquefoil Rosaceae Forb/herb Potentilla norvegica Norwegian cinquefoil Rosaceae Forb/herb Potentilla norvegica ssp. monspeliensis Norwegian cinquefoil Rosaceae Forb/herb Potentilla simplex common cinquefoil Rosaceae Forb/herb Prenanthes alba white rattlesnakeroot Asteraceae Forb/herb Prenanthes altissima tall rattlesnakeroot Asteraceae Forb/herb Prenanthes autumnalis slender rattlesnakeroot Asteraceae Forb/herb Prenanthes racemosa purple rattlesnakeroot Asteraceae Forb/herb Prenanthes racemosa var. racemosa purple rattlesnakeroot Asteraceae Forb/herb Prenanthes serpentaria cankerweed Asteraceae Forb/herb Prenanthes trifoliolata gall of the earth Asteraceae Forb/herb Proboscidea louisianica ram's horn Pedaliaceae Forb/herb Proboscidea louisianica ssp. louisianica ram's horn Pedaliaceae Forb/herb Proserpinaca intermedia intermediate mermaidweed Haloragaceae Forb/herb Proserpinaca palustris marsh mermaidweed Haloragaceae Forb/herb Proserpinaca palustris var. crebra marsh mermaidweed Haloragaceae Forb/herb Proserpinaca palustris var. palustris marsh mermaidweed Haloragaceae Forb/herb Proserpinaca pectinata combleaf mermaidweed Haloragaceae Forb/herb Prunella vulgaris common selfheal Lamiaceae Forb/herb Prunella vulgaris ssp. lanceolata lance selfheal Lamiaceae Forb/herb Prunus alleghaniensis Allegheny plum Rosaceae Tree, Shrub Prunus alleghaniensis var. alleghaniensis Allegheny plum Rosaceae Tree, Shrub Prunus americana American plum Rosaceae Tree, Shrub Prunus angustifolia Chickasaw plum Rosaceae Tree, Shrub Prunus angustifolia var. angustifolia Chickasaw plum Rosaceae Tree, Shrub Prunus maritima beach plum Rosaceae Shrub Prunus maritima var. maritima beach plum Rosaceae Shrub Prunus munsoniana wild goose plum Rosaceae Tree, Shrub Prunus nigra Canadian plum Rosaceae Tree Prunus pensylvanica pin cherry Rosaceae Tree, Shrub Prunus pensylvanica var. pensylvanica pin cherry Rosaceae Tree, Shrub Prunus pumila sandcherry Rosaceae Shrub Prunus pumila var. depressa eastern sandcherry Rosaceae Shrub Prunus pumila var. pumila Great Lakes sandcherry Rosaceae Shrub Prunus serotina black cherry Rosaceae Tree, Shrub Prunus serotina var. serotina black cherry Rosaceae Tree, Shrub Prunus susquehanae Sesquehana sandcherry Rosaceae Shrub Prunus virginiana chokecherry Rosaceae Tree, Shrub Prunus virginiana var. virginiana chokecherry Rosaceae Tree, Shrub Pseudognaphalium helleri Heller's cudweed Asteraceae Forb/herb Pseudognaphalium helleri ssp. micradenium Heller's cudweed Asteraceae Forb/herb Pseudognaphalium macounii Macoun's cudweed Asteraceae Forb/herb Pseudognaphalium obtusifolium rabbit-tobacco Asteraceae Forb/herb Pseudognaphalium obtusifolium ssp. obtusifolium rabbit-tobacco Asteraceae Forb/herb Pseudognaphalium obtusifolium ssp. praecox rabbit-tobacco Asteraceae Forb/herb Pseudotsuga menziesii Douglas-fir Pinaceae Tree Ptelea trifoliata common hoptree Rutaceae Tree, Shrub Ptelea trifoliata ssp. trifoliata common hoptree Rutaceae Tree, Shrub Ptelea trifoliata ssp. trifoliata var. trifoliata common hoptree Rutaceae Tree, Shrub Pteridium aquilinum western brackenfern Dennstaedtiaceae Forb/herb Pteridium aquilinum var. latiusculum western brackenfern Dennstaedtiaceae Forb/herb Pteridium aquilinum var. pseudocaudatum western brackenfern Dennstaedtiaceae Forb/herb Ptilimnium capillaceum herbwilliam Apiaceae Forb/herb Puccinellia distans weeping alkaligrass Poaceae Graminoid Puccinellia fasciculata saltmarsh alkaligrass Poaceae Graminoid Puccinellia maritima seaside alkaligrass Poaceae Graminoid Pycnanthemum clinopodioides basil mountainmint Lamiaceae Forb/herb Pycnanthemum incanum hoary mountainmint Lamiaceae Forb/herb Pycnanthemum incanum var. incanum hoary mountainmint Lamiaceae Forb/herb Pycnanthemum loomisii Loomis' mountainmint Lamiaceae Forb/herb Pycnanthemum muticum clustered mountainmint Lamiaceae Forb/herb Pycnanthemum setosum awned mountainmint Lamiaceae Forb/herb Pycnanthemum tenuifolium narrowleaf mountainmint Lamiaceae Forb/herb Pycnanthemum torrei Torrey's mountainmint Lamiaceae Forb/herb Pycnanthemum verticillatum whorled mountainmint Lamiaceae Forb/herb Pycnanthemum verticillatum var. verticillatum whorled mountainmint Lamiaceae Forb/herb Pycnanthemum virginianum Virginia mountainmint Lamiaceae Forb/herb Pyrola americana American wintergreen Pyrolaceae Subshrub Pyrola asarifolia liverleaf wintergreen Pyrolaceae Subshrub Pyrola chlorantha greenflowered wintergreen Pyrolaceae Subshrub Pyrola elliptica waxflower shinleaf Pyrolaceae Subshrub Pyxidanthera barbulata flowering pixiemoss Diapensiaceae Subshrub, Forb/herb Quercus alba white oak Fagaceae Tree Quercus ×beadlei Beadle oak Fagaceae Tree Quercus bicolor swamp white oak Fagaceae Tree Quercus ×brittonii hybrid oak Fagaceae Tree Quercus ×bushii Bush oak Fagaceae Tree Quercus ×caesariensis hybrid oak Fagaceae Tree Quercus ×capesii hybrid oak Fagaceae Tree Quercus coccinea scarlet oak Fagaceae Tree Quercus coccinea var. coccinea scarlet oak Fagaceae Tree Quercus falcata southern red oak Fagaceae Tree Quercus ×faxonii hybrid oak Fagaceae Tree Quercus ×fernowii Fernow oak Fagaceae Tree Quercus ×filialis hybrid oak Fagaceae Tree Quercus ×giffordii hybrid oak Fagaceae Tree Quercus ×hawkinsiae hybrid oak Fagaceae Tree Quercus ×heterophylla Bartram oak Fagaceae Tree Quercus ilicifolia bear oak Fagaceae Tree, Shrub Quercus imbricaria shingle oak Fagaceae Tree Quercus ×jackiana hybrid oak Fagaceae Tree Quercus ×ludoviciana hybrid oak Fagaceae Tree Quercus lyrata overcup oak Fagaceae Tree Quercus macrocarpa bur oak Fagaceae Tree, Shrub Quercus macrocarpa var. macrocarpa bur oak Fagaceae Tree, Shrub Quercus marilandica blackjack oak Fagaceae Tree, Shrub Quercus marilandica var. marilandica blackjack oak Fagaceae Tree Quercus michauxii swamp chestnut oak Fagaceae Tree Quercus montana chestnut oak Fagaceae Tree Quercus muehlenbergii chinquapin oak Fagaceae Tree Quercus nigra water oak Fagaceae Tree Quercus pagoda cherrybark oak Fagaceae Tree Quercus palustris pin oak Fagaceae Tree Quercus phellos willow oak Fagaceae Tree Quercus prinoides dwarf chinquapin oak Fagaceae Tree, Shrub Quercus ×rehderi hybrid oak Fagaceae Tree Quercus rubra northern red oak Fagaceae Tree Quercus rubra var. ambigua northern red oak Fagaceae Tree Quercus rubra var. rubra northern red oak Fagaceae Tree Quercus ×rudkinii hybrid oak Fagaceae Tree Quercus ×saulii hybrid oak Fagaceae Tree Quercus stellata post oak Fagaceae Tree Quercus ×stelloides hybrid oak Fagaceae Tree, Shrub Quercus ×substellata hybrid oak Fagaceae Tree Quercus velutina black oak Fagaceae Tree Ranunculus abortivus littleleaf buttercup Ranunculaceae Forb/herb Ranunculus acris tall buttercup Ranunculaceae Forb/herb Ranunculus allegheniensis Allegheny Mountain buttercup Ranunculaceae Forb/herb Ranunculus ambigens waterplantain spearwort Ranunculaceae Forb/herb Ranunculus cymbalaria alkali buttercup Ranunculaceae Forb/herb Ranunculus fascicularis early buttercup Ranunculaceae Forb/herb Ranunculus flabellaris yellow water buttercup Ranunculaceae Forb/herb Ranunculus flammula greater creeping spearwort Ranunculaceae Forb/herb Ranunculus flammula var. filiformis greater creeping spearwort Ranunculaceae Forb/herb Ranunculus hispidus bristly buttercup Ranunculaceae Forb/herb Ranunculus hispidus var. caricetorum bristly buttercup Ranunculaceae Forb/herb Ranunculus hispidus var. hispidus bristly buttercup Ranunculaceae Forb/herb Ranunculus hispidus var. nitidus bristly buttercup Ranunculaceae Forb/herb Ranunculus longirostris longbeak buttercup Ranunculaceae Forb/herb Ranunculus micranthus rock buttercup Ranunculaceae Forb/herb Ranunculus pensylvanicus Pennsylvania buttercup Ranunculaceae Forb/herb Ranunculus pusillus low spearwort Ranunculaceae Forb/herb Ranunculus pusillus var. pusillus low spearwort Ranunculaceae Forb/herb Ranunculus recurvatus blisterwort Ranunculaceae Forb/herb Ranunculus recurvatus var. recurvatus blisterwort Ranunculaceae Forb/herb Ranunculus sceleratus cursed buttercup Ranunculaceae Forb/herb Ranunculus sceleratus var. sceleratus cursed buttercup Ranunculaceae Forb/herb Ranunculus trichophyllus threadleaf crowfoot Ranunculaceae Forb/herb Ranunculus trichophyllus var. trichophyllus threadleaf crowfoot Ranunculaceae Forb/herb Ratibida columnifera upright prairie coneflower Asteraceae Forb/herb Ratibida pinnata pinnate prairie coneflower Asteraceae Forb/herb Rhamnus alnifolia alderleaf buckthorn Rhamnaceae Shrub Rhexia aristosa awnpetal meadowbeauty Melastomataceae Forb/herb Rhexia aristosa × virginica hybrid meadowbeauty Melastomataceae Forb/herb Rhexia mariana Maryland meadowbeauty Melastomataceae Forb/herb Rhexia mariana var. mariana Maryland meadowbeauty Melastomataceae Forb/herb Rhexia mariana var. ventricosa Maryland meadowbeauty Melastomataceae Forb/herb Rhexia virginica handsome Harry Melastomataceae Forb/herb Rhododendron atlanticum dwarf azalea Ericaceae Shrub Rhododendron canadense rhodora Ericaceae Shrub Rhododendron maximum great laurel Ericaceae Tree, Shrub Rhododendron periclymenoides pink azalea Ericaceae Shrub Rhododendron prinophyllum early azalea Ericaceae Shrub Rhododendron viscosum swamp azalea Ericaceae Shrub Rhus aromatica fragrant sumac Anacardiaceae Shrub Rhus aromatica var. aromatica fragrant sumac Anacardiaceae Shrub Rhus ×borealis hybrid sumac Anacardiaceae Shrub, Tree Rhus copallinum winged sumac Anacardiaceae Tree, Shrub Rhus copallinum var. copallinum winged sumac Anacardiaceae Tree, Shrub Rhus glabra smooth sumac Anacardiaceae Tree, Shrub Rhus typhina staghorn sumac Anacardiaceae Shrub, Tree Rhynchospora alba white beaksedge Cyperaceae Graminoid Rhynchospora capillacea needle beaksedge Cyperaceae Graminoid Rhynchospora capitellata brownish beaksedge Cyperaceae Graminoid Rhynchospora cephalantha bunched beaksedge Cyperaceae Graminoid Rhynchospora chalarocephala loosehead beaksedge Cyperaceae Graminoid Rhynchospora filifolia threadleaf beaksedge Cyperaceae Graminoid Rhynchospora fusca brown beaksedge Cyperaceae Graminoid Rhynchospora globularis globe beaksedge Cyperaceae Graminoid Rhynchospora glomerata clustered beaksedge Cyperaceae Graminoid Rhynchospora gracilenta slender beaksedge Cyperaceae Graminoid Rhynchospora inundata narrowfruit horned beaksedge Cyperaceae Graminoid Rhynchospora knieskernii Knieskern's beaksedge Cyperaceae Graminoid Rhynchospora macrostachya tall horned beaksedge Cyperaceae Graminoid Rhynchospora microcephala smallhead beaksedge Cyperaceae Graminoid Rhynchospora nitens shortbeak beaksedge Cyperaceae Graminoid Rhynchospora oligantha featherbristle beaksedge Cyperaceae Graminoid Rhynchospora pallida pale beaksedge Cyperaceae Graminoid Rhynchospora rariflora fewflower beaksedge Cyperaceae Graminoid Rhynchospora recognita globe beaksedge Cyperaceae Graminoid Rhynchospora scirpoides longbeak beaksedge Cyperaceae Graminoid Rhynchospora torreyana Torrey's beaksedge Cyperaceae Graminoid Ribes americanum American black currant Grossulariaceae Shrub Ribes aureum golden currant Grossulariaceae Shrub Ribes aureum var. villosum golden currant Grossulariaceae Shrub Ribes cynosbati eastern prickly gooseberry Grossulariaceae Shrub Ribes glandulosum skunk currant Grossulariaceae Shrub Ribes hirtellum hairystem gooseberry Grossulariaceae Shrub Ribes lacustre prickly currant Grossulariaceae Shrub Ribes missouriense Missouri gooseberry Grossulariaceae Shrub Ribes rotundifolium Appalachian gooseberry Grossulariaceae Shrub Ribes triste red currant Grossulariaceae Shrub Richardia brasiliensis tropical Mexican clover Rubiaceae Forb/herb Richardia scabra rough Mexican clover Rubiaceae Forb/herb Robinia hispida bristly locust Fabaceae Tree, Shrub Robinia hispida var. hispida bristly locust Fabaceae Tree, Shrub Robinia hispida var. kelseyi Kelsey's locust Fabaceae Tree, Shrub Robinia pseudoacacia black locust Fabaceae Tree Robinia viscosa clammy locust Fabaceae Tree, Shrub Robinia viscosa var. viscosa clammy locust Fabaceae Tree Rorippa palustris bog yellowcress Brassicaceae Forb/herb Rorippa palustris ssp. fernaldiana Fernald's yellowcress Brassicaceae Forb/herb Rorippa palustris ssp. hispida hispid yellowcress Brassicaceae Forb/herb Rorippa palustris ssp. palustris bog yellowcress Brassicaceae Forb/herb Rosa blanda smooth rose Rosaceae Subshrub Rosa blanda var. blanda smooth rose Rosaceae Subshrub Rosa carolina Carolina rose Rosaceae Subshrub Rosa carolina var. carolina Carolina rose Rosaceae Subshrub Rosa nitida shining rose Rosaceae Subshrub Rosa palustris swamp rose Rosaceae Subshrub Rosa setigera climbing rose Rosaceae Vine, Subshrub Rosa setigera var. setigera climbing rose Rosaceae Vine, Subshrub Rosa setigera var. tomentosa climbing rose Rosaceae Vine, Subshrub Rosa virginiana Virginia rose Rosaceae Subshrub Rosa virginiana var. virginiana Virginia rose Rosaceae Subshrub Rotala ramosior lowland rotala Lythraceae Forb/herb Rubus allegheniensis Allegheny blackberry Rosaceae Subshrub Rubus allegheniensis var. allegheniensis Allegheny blackberry Rosaceae Subshrub Rubus alumnus oldfield blackberry Rosaceae Subshrub Rubus andrewsianus Andrews' blackberry Rosaceae Subshrub Rubus aptatus drybank dewberry Rosaceae Subshrub Rubus argutus sawtooth blackberry Rosaceae Subshrub Rubus baileyanus Bailey's dewberry Rosaceae Subshrub Rubus bellobatus Kittatinny blackberry Rosaceae Subshrub Rubus canadensis smooth blackberry Rosaceae Subshrub Rubus cuneifolius sand blackberry Rosaceae Subshrub Rubus depavitus Aberdeen dewberry Rosaceae Subshrub Rubus elegantulus showy blackberry Rosaceae Subshrub Rubus flagellaris northern dewberry Rosaceae Subshrub Rubus floricomus manyflower blackberry Rosaceae Subshrub Rubus frondosus yankee blackberry Rosaceae Subshrub Rubus gnarus Pollock's Mill blackberry Rosaceae Subshrub Rubus hispidus bristly dewberry Rosaceae Subshrub Rubus hypolasius pineland dewberry Rosaceae Subshrub Rubus idaeus American red raspberry Rosaceae Subshrub Rubus idaeus ssp. strigosus grayleaf red raspberry Rosaceae Subshrub Rubus immanis Watauga River blackberry Rosaceae Subshrub Rubus laudatus plains blackberry Rosaceae Subshrub Rubus leviculus bottomland dewberry Rosaceae Subshrub Rubus longii Long's blackberry Rosaceae Subshrub Rubus michiganensis Michigan dewberry Rosaceae Subshrub Rubus novocaesarius Tuckahoe dewberry Rosaceae Subshrub Rubus occidentalis black raspberry Rosaceae Subshrub Rubus odoratus purpleflowering raspberry Rosaceae Subshrub Rubus odoratus var. odoratus purpleflowering raspberry Rosaceae Subshrub Rubus originalis Cold Spring blackberry Rosaceae Subshrub Rubus ostryifolius highbush blackberry Rosaceae Subshrub Rubus parcifrondifer Silver Creek blackberry Rosaceae Subshrub Rubus pensilvanicus Pennsylvania blackberry Rosaceae Subshrub Rubus pergratus upland blackberry Rosaceae Subshrub Rubus pervarius Westminster dewberry Rosaceae Subshrub Rubus philadelphicus Philadelphia blackberry Rosaceae Vine, Subshrub Rubus plicatifolius plaitleaf dewberry Rosaceae Subshrub Rubus pubescens dwarf red blackberry Rosaceae Subshrub, Forb/herb Rubus pubescens var. pubescens dwarf red blackberry Rosaceae Subshrub, Forb/herb Rubus recurvans recurved blackberry Rosaceae Subshrub Rubus recurvicaulis arching dewberry Rosaceae Subshrub Rubus roribaccus Lucretia dewberry Rosaceae Subshrub Rubus semisetosus swamp blackberry Rosaceae Subshrub Rubus setosus setose blackberry Rosaceae Subshrub Rudbeckia fulgida orange coneflower Asteraceae Forb/herb Rudbeckia fulgida var. fulgida orange coneflower Asteraceae Forb/herb Rudbeckia fulgida var. speciosa orange coneflower Asteraceae Forb/herb Rudbeckia hirta blackeyed Susan Asteraceae Forb/herb Rudbeckia hirta var. pulcherrima blackeyed Susan Asteraceae Forb/herb Rudbeckia laciniata cutleaf coneflower Asteraceae Subshrub, Forb/herb Rudbeckia laciniata var. digitata cutleaf coneflower Asteraceae Subshrub, Forb/herb Rudbeckia laciniata var. laciniata cutleaf coneflower Asteraceae Subshrub, Forb/herb Rudbeckia triloba browneyed Susan Asteraceae Forb/herb Rudbeckia triloba var. triloba browneyed Susan Asteraceae Forb/herb Ruellia caroliniensis Carolina wild petunia Acanthaceae Forb/herb Ruellia caroliniensis ssp. caroliniensis Carolina wild petunia Acanthaceae Forb/herb Ruellia caroliniensis ssp. caroliniensis var. caroliniensis Carolina wild petunia Acanthaceae Forb/herb Ruellia strepens limestone wild petunia Acanthaceae Forb/herb Rumex acetosa garden sorrel Polygonaceae Forb/herb Rumex altissimus pale dock Polygonaceae Forb/herb Rumex aquaticus western dock Polygonaceae Forb/herb Rumex aquaticus var. fenestratus western dock Polygonaceae Forb/herb Rumex hastatulus heartwing sorrel Polygonaceae Forb/herb Rumex maritimus golden dock Polygonaceae Forb/herb Rumex orbiculatus greater water dock Polygonaceae Forb/herb Rumex orbiculatus var. borealis greater water dock Polygonaceae Forb/herb Rumex orbiculatus var. orbiculatus greater water dock Polygonaceae Forb/herb Rumex salicifolius willow dock Polygonaceae Forb/herb Rumex salicifolius var. mexicanus Mexican dock Polygonaceae Forb/herb Rumex verticillatus swamp dock Polygonaceae Forb/herb Ruppia maritima widgeongrass Ruppiaceae Forb/herb Sabatia angularis rosepink Gentianaceae Forb/herb Sabatia campanulata slender rose gentian Gentianaceae Forb/herb Sabatia difformis lanceleaf rose gentian Gentianaceae Forb/herb Sabatia dodecandra marsh rose gentian Gentianaceae Forb/herb Sabatia dodecandra var. dodecandra marsh rose gentian Gentianaceae Forb/herb Sabatia stellaris rose of Plymouth Gentianaceae Forb/herb Saccharum alopecuroides silver plumegrass Poaceae Graminoid Saccharum giganteum sugarcane plumegrass Poaceae Graminoid Sacciolepis striata American cupscale Poaceae Graminoid Sagina decumbens trailing pearlwort Caryophyllaceae Forb/herb Sagina decumbens ssp. decumbens trailing pearlwort Caryophyllaceae Forb/herb Sagittaria australis longbeak arrowhead Alismataceae Forb/herb Sagittaria calycina hooded arrowhead Alismataceae Forb/herb Sagittaria calycina var. calycina hooded arrowhead Alismataceae Forb/herb Sagittaria calycina var. spongiosa hooded arrowhead Alismataceae Forb/herb Sagittaria cuneata arumleaf arrowhead Alismataceae Forb/herb Sagittaria engelmanniana Engelmann's arrowhead Alismataceae Forb/herb Sagittaria filiformis threadleaf arrowhead Alismataceae Forb/herb Sagittaria graminea grassy arrowhead Alismataceae Forb/herb Sagittaria graminea var. graminea grassy arrowhead Alismataceae Forb/herb Sagittaria latifolia broadleaf arrowhead Alismataceae Forb/herb Sagittaria rigida sessilefruit arrowhead Alismataceae Forb/herb Sagittaria subulata awl-leaf arrowhead Alismataceae Forb/herb Sagittaria teres slender arrowhead Alismataceae Forb/herb Salicornia bigelovii dwarf saltwort Chenopodiaceae Forb/herb Salicornia depressa Virginia glasswort Chenopodiaceae Forb/herb, Subshrub Salix bebbiana Bebb willow Salicaceae Tree, Shrub Salix candida sageleaf willow Salicaceae Shrub Salix caroliniana coastal plain willow Salicaceae Tree Salix cordata heartleaf willow Salicaceae Shrub Salix discolor pussy willow Salicaceae Tree, Shrub Salix eriocephala Missouri River willow Salicaceae Tree, Shrub Salix humilis prairie willow Salicaceae Shrub Salix humilis var. humilis prairie willow Salicaceae Shrub Salix humilis var. tristis prairie willow Salicaceae Shrub Salix interior sandbar willow Salicaceae Shrub, Tree Salix lucida shining willow Salicaceae Tree, Shrub Salix lucida ssp. lucida shining willow Salicaceae Tree, Shrub Salix nigra black willow Salicaceae Tree Salix pedicellaris bog willow Salicaceae Shrub Salix petiolaris meadow willow Salicaceae Tree, Shrub Salix sericea silky willow Salicaceae Tree, Shrub Salix serissima autumn willow Salicaceae Tree, Shrub Salvia lyrata lyreleaf sage Lamiaceae Forb/herb Salvia reflexa lanceleaf sage Lamiaceae Forb/herb Sambucus nigra black elderberry Caprifoliaceae Tree, Shrub Sambucus nigra ssp. canadensis American black elderberry Caprifoliaceae Tree, Shrub Sambucus racemosa red elderberry Caprifoliaceae Tree, Shrub Sambucus racemosa var. racemosa red elderberry Caprifoliaceae Tree, Shrub Samolus valerandi seaside brookweed Primulaceae Forb/herb Samolus valerandi ssp. parviflorus seaside brookweed Primulaceae Forb/herb Sanguinaria canadensis bloodroot Papaveraceae Forb/herb Sanguisorba canadensis Canadian burnet Rosaceae Forb/herb Sanicula canadensis Canadian blacksnakeroot Apiaceae Forb/herb Sanicula canadensis var. canadensis Canadian blacksnakeroot Apiaceae Forb/herb Sanicula marilandica Maryland sanicle Apiaceae Forb/herb Sanicula odorata clustered blacksnakeroot Apiaceae Forb/herb Sanicula trifoliata largefruit blacksnakeroot Apiaceae Forb/herb Sarcocornia pacifica Pacific swampfire Chenopodiaceae Subshrub, Forb/herb Sarcocornia perennis chickenclaws Chenopodiaceae Forb/herb, Shrub Sarracenia flava yellow pitcherplant Sarraceniaceae Forb/herb Sarracenia purpurea purple pitcherplant Sarraceniaceae Forb/herb Sarracenia purpurea ssp. purpurea var. purpurea northern purple pitcherplant Sarraceniaceae Forb/herb Sassafras albidum sassafras Lauraceae Tree, Shrub Saururus cernuus lizard's tail Saururaceae Forb/herb Saxifraga pensylvanica eastern swamp saxifrage Saxifragaceae Forb/herb Saxifraga virginiensis early saxifrage Saxifragaceae Forb/herb Saxifraga virginiensis var. virginiensis early saxifrage Saxifragaceae Forb/herb Scheuchzeria palustris rannoch-rush Scheuchzeriaceae Forb/herb Scheuchzeria palustris ssp. americana rannoch-rush Scheuchzeriaceae Forb/herb Schizachne purpurascens false melic Poaceae Graminoid Schizachyrium littorale shore little bluestem Poaceae Graminoid Schizachyrium scoparium little bluestem Poaceae Graminoid Schizachyrium scoparium var. scoparium little bluestem Poaceae Graminoid Schizaea pusilla little curlygrass fern Schizaeaceae Forb/herb Schoenoplectiella purshiana weakstalk bulrush Cyperaceae Graminoid Schoenoplectiella smithii Smith's bulrush Cyperaceae Graminoid Schoenoplectus acutus hardstem bulrush Cyperaceae Graminoid Schoenoplectus acutus var. acutus hardstem bulrush Cyperaceae Graminoid Schoenoplectus americanus chairmaker's bulrush Cyperaceae Graminoid Schoenoplectus ×contortus bulrush Cyperaceae Graminoid Schoenoplectus ×oblongus bulrush Cyperaceae Graminoid Schoenoplectus pungens common threesquare Cyperaceae Graminoid Schoenoplectus pungens var. pungens common threesquare Cyperaceae Graminoid Schoenoplectus subterminalis swaying bulrush Cyperaceae Graminoid Schoenoplectus tabernaemontani softstem bulrush Cyperaceae Graminoid Schoenoplectus torreyi Torrey's bulrush Cyperaceae Graminoid Schwalbea americana chaffseed Scrophulariaceae Forb/herb Scirpus atrocinctus blackgirdle bulrush Cyperaceae Graminoid Scirpus atrovirens green bulrush Cyperaceae Graminoid Scirpus cyperinus woolgrass Cyperaceae Graminoid Scirpus expansus woodland bulrush Cyperaceae Graminoid Scirpus georgianus Georgia bulrush Cyperaceae Graminoid Scirpus hattorianus mosquito bulrush Cyperaceae Graminoid Scirpus longii Long's bulrush Cyperaceae Graminoid Scirpus microcarpus panicled bulrush Cyperaceae Graminoid Scirpus pallidus cloaked bulrush Cyperaceae Graminoid Scirpus pedicellatus stalked bulrush Cyperaceae Graminoid Scirpus pendulus rufous bulrush Cyperaceae Graminoid Scirpus polyphyllus leafy bulrush Cyperaceae Graminoid Scleria minor slender nutrush Cyperaceae Graminoid Scleria muehlenbergii Muehlenberg's nutrush Cyperaceae Graminoid Scleria oligantha littlehead nutrush Cyperaceae Graminoid Scleria pauciflora fewflower nutrush Cyperaceae Graminoid Scleria pauciflora var. caroliniana Carolina nutrush Cyperaceae Graminoid Scleria pauciflora var. pauciflora fewflower nutrush Cyperaceae Graminoid Scleria reticularis netted nutrush Cyperaceae Graminoid Scleria triglomerata whip nutrush Cyperaceae Graminoid Scleria verticillata low nutrush Cyperaceae Graminoid Sclerolepis uniflora pink bogbutton Asteraceae Forb/herb Scrophularia lanceolata lanceleaf figwort Scrophulariaceae Forb/herb Scrophularia marilandica carpenter's square Scrophulariaceae Subshrub, Forb/herb Scrophularia nodosa woodland figwort Scrophulariaceae Forb/herb Scutellaria ×churchilliana skullcap Lamiaceae Forb/herb Scutellaria elliptica hairy skullcap Lamiaceae Forb/herb Scutellaria elliptica var. elliptica hairy skullcap Lamiaceae Forb/herb Scutellaria galericulata marsh skullcap Lamiaceae Forb/herb Scutellaria incana hoary skullcap Lamiaceae Forb/herb Scutellaria incana var. incana hoary skullcap Lamiaceae Forb/herb Scutellaria integrifolia helmet flower Lamiaceae Forb/herb Scutellaria lateriflora blue skullcap Lamiaceae Forb/herb Scutellaria lateriflora var. lateriflora blue skullcap Lamiaceae Forb/herb Scutellaria nervosa veiny skullcap Lamiaceae Forb/herb Scutellaria parvula small skullcap Lamiaceae Forb/herb Scutellaria parvula var. missouriensis Leonard's skullcap Lamiaceae Forb/herb Scutellaria parvula var. parvula small skullcap Lamiaceae Forb/herb Scutellaria saxatilis smooth rock skullcap Lamiaceae Forb/herb Scutellaria serrata showy skullcap Lamiaceae Forb/herb Sedum ternatum woodland stonecrop Crassulaceae Forb/herb Selaginella apoda meadow spikemoss Selaginellaceae Forb/herb Selaginella rupestris northern selaginella Selaginellaceae Forb/herb Senna hebecarpa American senna Fabaceae Forb/herb Senna marilandica Maryland senna Fabaceae Subshrub, Forb/herb Senna obtusifolia Java-bean Fabaceae Forb/herb, Subshrub Sericocarpus asteroides toothed whitetop aster Asteraceae Forb/herb Sericocarpus linifolius narrowleaf whitetop aster Asteraceae Forb/herb Sesuvium maritimum slender seapurslane Aizoaceae Forb/herb Setaria magna giant bristlegrass Poaceae Graminoid Setaria parviflora marsh bristlegrass Poaceae Graminoid Sibbaldiopsis tridentata shrubby fivefingers Rosaceae Subshrub, Forb/herb Sicyos angulatus oneseed bur cucumber Cucurbitaceae Vine, Forb/herb Sida acuta common wireweed Malvaceae Subshrub, Shrub, Forb/herb Sida hermaphrodita Virginia fanpetals Malvaceae Forb/herb Sida rhombifolia Cuban jute Malvaceae Subshrub, Forb/herb Sida spinosa prickly fanpetals Malvaceae Subshrub, Forb/herb Sida stipularis stipule fanpetals Malvaceae Forb/herb Silene antirrhina sleepy silene Caryophyllaceae Forb/herb Silene caroliniana sticky catchfly Caryophyllaceae Forb/herb Silene caroliniana ssp. pensylvanica Pennsylvania catchfly Caryophyllaceae Forb/herb Silene nivea evening campion Caryophyllaceae Forb/herb Silene stellata widowsfrill Caryophyllaceae Forb/herb Silene virginica fire pink Caryophyllaceae Forb/herb Silphium perfoliatum cup plant Asteraceae Forb/herb Silphium perfoliatum var. perfoliatum cup plant Asteraceae Forb/herb Sisyrinchium angustifolium narrowleaf blue-eyed grass Iridaceae Forb/herb Sisyrinchium atlanticum eastern blue-eyed grass Iridaceae Forb/herb Sisyrinchium fuscatum coastal plain blue-eyed grass Iridaceae Forb/herb Sisyrinchium montanum strict blue-eyed grass Iridaceae Forb/herb Sisyrinchium montanum var. crebrum strict blue-eyed grass Iridaceae Forb/herb Sisyrinchium mucronatum needletip blue-eyed grass Iridaceae Forb/herb Sium suave hemlock waterparsnip Apiaceae Forb/herb Smallanthus uvedalius hairy leafcup Asteraceae Forb/herb Smilax glauca cat greenbrier Smilacaceae Shrub, Vine Smilax herbacea smooth carrionflower Smilacaceae Vine, Forb/herb Smilax laurifolia laurel greenbrier Smilacaceae Shrub, Vine Smilax pseudochina bamboo vine Smilacaceae Vine, Forb/herb Smilax pulverulenta downy carrionflower Smilacaceae Vine, Forb/herb Smilax rotundifolia roundleaf greenbrier Smilacaceae Shrub, Vine Smilax tamnoides bristly greenbrier Smilacaceae Shrub, Vine Smilax walteri coral greenbrier Smilacaceae Shrub, Vine Solanum carolinense Carolina horsenettle Solanaceae Subshrub, Forb/herb Solanum carolinense var. carolinense Carolina horsenettle Solanaceae Subshrub, Forb/herb Solanum ptycanthum West Indian nightshade Solanaceae Forb/herb Solanum rostratum buffalobur nightshade Solanaceae Forb/herb Solidago altissima Canada goldenrod Asteraceae Forb/herb Solidago arguta Atlantic goldenrod Asteraceae Forb/herb Solidago arguta var. arguta Atlantic goldenrod Asteraceae Forb/herb Solidago ×asperula goldenrod Asteraceae Forb/herb Solidago bicolor white goldenrod Asteraceae Forb/herb Solidago caesia wreath goldenrod Asteraceae Forb/herb Solidago canadensis Canada goldenrod Asteraceae Forb/herb Solidago canadensis var. canadensis Canada goldenrod Asteraceae Forb/herb Solidago erecta showy goldenrod Asteraceae Forb/herb Solidago fistulosa pine barren goldenrod Asteraceae Forb/herb Solidago flexicaulis zigzag goldenrod Asteraceae Forb/herb Solidago gigantea giant goldenrod Asteraceae Forb/herb Solidago hispida hairy goldenrod Asteraceae Forb/herb Solidago hispida var. hispida hairy goldenrod Asteraceae Forb/herb Solidago juncea early goldenrod Asteraceae Forb/herb Solidago latissimifolia Elliott's goldenrod Asteraceae Forb/herb Solidago missouriensis Missouri goldenrod Asteraceae Forb/herb Solidago missouriensis var. missouriensis Missouri goldenrod Asteraceae Forb/herb Solidago nemoralis gray goldenrod Asteraceae Forb/herb Solidago nemoralis var. nemoralis gray goldenrod Asteraceae Forb/herb Solidago odora anisescented goldenrod Asteraceae Forb/herb Solidago odora var. odora anisescented goldenrod Asteraceae Forb/herb Solidago patula roundleaf goldenrod Asteraceae Forb/herb Solidago patula var. patula roundleaf goldenrod Asteraceae Forb/herb Solidago puberula downy goldenrod Asteraceae Forb/herb Solidago puberula var. puberula downy goldenrod Asteraceae Forb/herb Solidago roanensis Roan Mountain goldenrod Asteraceae Forb/herb Solidago rugosa wrinkleleaf goldenrod Asteraceae Forb/herb Solidago rugosa ssp. aspera wrinkleleaf goldenrod Asteraceae Forb/herb Solidago rugosa ssp. rugosa wrinkleleaf goldenrod Asteraceae Forb/herb Solidago rugosa ssp. rugosa var. rugosa wrinkleleaf goldenrod Asteraceae Forb/herb Solidago rugosa ssp. rugosa var. sphagnophila wrinkleleaf goldenrod Asteraceae Forb/herb Solidago sempervirens seaside goldenrod Asteraceae Forb/herb Solidago sempervirens var. mexicana seaside goldenrod Asteraceae Forb/herb Solidago sempervirens var. sempervirens seaside goldenrod Asteraceae Forb/herb Solidago speciosa showy goldenrod Asteraceae Forb/herb Solidago speciosa var. speciosa showy goldenrod Asteraceae Forb/herb Solidago squarrosa stout goldenrod Asteraceae Forb/herb Solidago stricta wand goldenrod Asteraceae Forb/herb Solidago uliginosa bog goldenrod Asteraceae Forb/herb Solidago uliginosa var. linoides bog goldenrod Asteraceae Forb/herb Solidago uliginosa var. uliginosa bog goldenrod Asteraceae Forb/herb Solidago ulmifolia elmleaf goldenrod Asteraceae Forb/herb Solidago ulmifolia var. ulmifolia elmleaf goldenrod Asteraceae Forb/herb Sorbus americana American mountain ash Rosaceae Tree, Shrub Sorghastrum nutans Indiangrass Poaceae Graminoid Sparganium americanum American bur-reed Sparganiaceae Forb/herb Sparganium androcladum branched bur-reed Sparganiaceae Forb/herb Sparganium angustifolium narrowleaf bur-reed Sparganiaceae Forb/herb Sparganium emersum European bur-reed Sparganiaceae Forb/herb Sparganium eurycarpum broadfruit bur-reed Sparganiaceae Forb/herb Sparganium fluctuans floating bur-reed Sparganiaceae Forb/herb Sparganium natans small bur-reed Sparganiaceae Forb/herb Spartina alterniflora smooth cordgrass Poaceae Graminoid Spartina ×caespitosa cordgrass Poaceae Graminoid Spartina cynosuroides big cordgrass Poaceae Graminoid Spartina patens saltmeadow cordgrass Poaceae Graminoid Spartina pectinata prairie cordgrass Poaceae Graminoid Spergularia salina salt sandspurry Caryophyllaceae Forb/herb Spermolepis divaricata roughfruit scaleseed Apiaceae Forb/herb Sphenopholis intermedia slender wedgescale Poaceae Graminoid Sphenopholis nitida shiny wedgescale Poaceae Graminoid Sphenopholis obtusata prairie wedgescale Poaceae Graminoid Sphenopholis ×pallens wedgescale Poaceae Graminoid Sphenopholis pensylvanica swamp wedgescale Poaceae Graminoid Spiraea alba white meadowsweet Rosaceae Shrub Spiraea alba var. alba white meadowsweet Rosaceae Shrub Spiraea alba var. latifolia white meadowsweet Rosaceae Shrub Spiraea ×billiardii spirea Rosaceae Shrub Spiraea corymbosa shinyleaf meadowsweet Rosaceae Shrub Spiraea tomentosa steeplebush Rosaceae Shrub Spiranthes cernua nodding lady's tresses Orchidaceae Forb/herb Spiranthes lacera northern slender lady's tresses Orchidaceae Forb/herb Spiranthes lacera var. gracilis northern slender lady's tresses Orchidaceae Forb/herb Spiranthes lacera var. lacera northern slender lady's tresses Orchidaceae Forb/herb Spiranthes laciniata lacelip lady's tresses Orchidaceae Forb/herb Spiranthes lucida shining lady's tresses Orchidaceae Forb/herb Spiranthes ochroleuca yellow nodding lady's tresses Orchidaceae Forb/herb Spiranthes odorata marsh lady's tresses Orchidaceae Forb/herb Spiranthes praecox greenvein lady's tresses Orchidaceae Forb/herb Spiranthes tuberosa little lady's tresses Orchidaceae Forb/herb Spiranthes vernalis spring lady's tresses Orchidaceae Forb/herb Spirodela polyrrhiza common duckmeat Lemnaceae Forb/herb Sporobolus clandestinus rough dropseed Poaceae Graminoid Sporobolus compositus composite dropseed Poaceae Graminoid Sporobolus compositus var. compositus composite dropseed Poaceae Graminoid Sporobolus contractus spike dropseed Poaceae Graminoid Sporobolus cryptandrus sand dropseed Poaceae Graminoid Sporobolus neglectus puffsheath dropseed Poaceae Graminoid Sporobolus vaginiflorus poverty dropseed Poaceae Graminoid Sporobolus vaginiflorus var. vaginiflorus poverty dropseed Poaceae Graminoid Stachys aspera hyssopleaf hedgenettle Lamiaceae Forb/herb Stachys cordata heartleaf hedgenettle Lamiaceae Forb/herb Stachys hyssopifolia hyssopleaf hedgenettle Lamiaceae Forb/herb Stachys palustris marsh hedgenettle Lamiaceae Forb/herb Stachys pilosa hairy hedgenettle Lamiaceae Forb/herb Stachys pilosa var. arenicola hairy hedgenettle Lamiaceae Forb/herb Stachys pilosa var. pilosa hairy hedgenettle Lamiaceae Forb/herb Stachys tenuifolia smooth hedgenettle Lamiaceae Forb/herb Staphylea trifolia American bladdernut Staphyleaceae Tree, Shrub Stellaria alsine bog chickweed Caryophyllaceae Forb/herb Stellaria borealis boreal starwort Caryophyllaceae Forb/herb Stellaria borealis ssp. borealis boreal starwort Caryophyllaceae Forb/herb Stellaria longifolia longleaf starwort Caryophyllaceae Forb/herb Stellaria longifolia var. longifolia longleaf starwort Caryophyllaceae Forb/herb Stellaria pubera star chickweed Caryophyllaceae Forb/herb Streptopus amplexifolius claspleaf twistedstalk Liliaceae Forb/herb Streptopus amplexifolius var. amplexifolius claspleaf twistedstalk Liliaceae Forb/herb Streptopus lanceolatus twistedstalk Liliaceae Forb/herb Streptopus lanceolatus var. lanceolatus twistedstalk Liliaceae Forb/herb Streptopus lanceolatus var. roseus twistedstalk Liliaceae Forb/herb Strophostyles helvola amberique-bean Fabaceae Vine, Forb/herb Strophostyles leiosperma slickseed fuzzybean Fabaceae Vine, Forb/herb Strophostyles umbellata pink fuzzybean Fabaceae Vine, Forb/herb Stuckenia filiformis fineleaf pondweed Potamogetonaceae Forb/herb Stuckenia filiformis ssp. alpina fineleaf pondweed Potamogetonaceae Forb/herb Stuckenia pectinata sago pondweed Potamogetonaceae Forb/herb Stuckenia vaginata sheathed pondweed Potamogetonaceae Forb/herb Stylisma pickeringii Pickering's dawnflower Convolvulaceae Vine, Forb/herb Stylisma pickeringii var. pickeringii Pickering's dawnflower Convolvulaceae Vine, Forb/herb Stylosanthes biflora sidebeak pencilflower Fabaceae Forb/herb Suaeda calceoliformis Pursh seepweed Chenopodiaceae Subshrub, Forb/herb Suaeda linearis annual seepweed Chenopodiaceae Subshrub, Forb/herb Suaeda maritima herbaceous seepweed Chenopodiaceae Subshrub, Forb/herb Suaeda rolandii Roland's seablite Chenopodiaceae Forb/herb Symphoricarpos albus common snowberry Caprifoliaceae Subshrub, Shrub Symphoricarpos albus var. laevigatus common snowberry Caprifoliaceae Subshrub, Shrub Symphoricarpos orbiculatus coralberry Caprifoliaceae Shrub Symphyotrichum ×amethystinum aster Asteraceae Forb/herb Symphyotrichum boreale northern bog aster Asteraceae Forb/herb Symphyotrichum concolor eastern silver aster Asteraceae Forb/herb Symphyotrichum cordifolium common blue wood aster Asteraceae Forb/herb Symphyotrichum dumosum rice button aster Asteraceae Forb/herb Symphyotrichum dumosum var. dumosum rice button aster Asteraceae Forb/herb Symphyotrichum dumosum var. strictior rice button aster Asteraceae Forb/herb Symphyotrichum dumosum var. subulifolium rice button aster Asteraceae Forb/herb Symphyotrichum ericoides white heath aster Asteraceae Forb/herb Symphyotrichum ericoides var. ericoides white heath aster Asteraceae Forb/herb Symphyotrichum laeve smooth blue aster Asteraceae Forb/herb Symphyotrichum laeve var. laeve smooth blue aster Asteraceae Forb/herb Symphyotrichum lanceolatum white panicle aster Asteraceae Forb/herb Symphyotrichum lanceolatum ssp. lanceolatum white panicle aster Asteraceae Forb/herb Symphyotrichum lanceolatum ssp. lanceolatum var. interior white panicle aster Asteraceae Forb/herb Symphyotrichum lanceolatum ssp. lanceolatum var. lanceolatum white panicle aster Asteraceae Forb/herb Symphyotrichum lanceolatum ssp. lanceolatum var. latifolium white panicle aster Asteraceae Forb/herb Symphyotrichum lateriflorum calico aster Asteraceae Forb/herb Symphyotrichum lateriflorum var. angustifolium calico aster Asteraceae Forb/herb Symphyotrichum lateriflorum var. horizontale calico aster Asteraceae Forb/herb Symphyotrichum lateriflorum var. lateriflorum calico aster Asteraceae Forb/herb Symphyotrichum ×longulum aster Asteraceae Forb/herb Symphyotrichum lowrieanum Lowrie's blue wood aster Asteraceae Forb/herb Symphyotrichum novae-angliae New England aster Asteraceae Forb/herb Symphyotrichum novi-belgii New York aster Asteraceae Forb/herb Symphyotrichum novi-belgii var. elodes New York aster Asteraceae Forb/herb Symphyotrichum novi-belgii var. novi-belgii New York aster Asteraceae Forb/herb Symphyotrichum novi-belgii var. villicaule hairy New York aster Asteraceae Forb/herb Symphyotrichum oblongifolium aromatic aster Asteraceae Forb/herb Symphyotrichum patens late purple aster Asteraceae Forb/herb Symphyotrichum patens var. gracile late purple aster Asteraceae Forb/herb Symphyotrichum patens var. patens late purple aster Asteraceae Forb/herb Symphyotrichum patens var. patentissimum late purple aster Asteraceae Forb/herb Symphyotrichum phlogifolium thinleaf late purple aster Asteraceae Forb/herb Symphyotrichum pilosum hairy white oldfield aster Asteraceae Forb/herb Symphyotrichum pilosum var. pilosum hairy white oldfield aster Asteraceae Forb/herb Symphyotrichum pilosum var. pringlei Pringle's aster Asteraceae Forb/herb Symphyotrichum praealtum willowleaf aster Asteraceae Forb/herb Symphyotrichum praealtum var. angustior willowleaf aster Asteraceae Forb/herb Symphyotrichum praealtum var. praealtum willowleaf aster Asteraceae Forb/herb Symphyotrichum prenanthoides crookedstem aster Asteraceae Forb/herb Symphyotrichum puniceum purplestem aster Asteraceae Forb/herb, Subshrub Symphyotrichum puniceum var. puniceum purplestem aster Asteraceae Forb/herb, Subshrub Symphyotrichum racemosum smooth white oldfield aster Asteraceae Forb/herb Symphyotrichum subulatum eastern annual saltmarsh aster Asteraceae Forb/herb Symphyotrichum tenuifolium perennial saltmarsh aster Asteraceae Forb/herb Symphyotrichum tradescantii shore aster Asteraceae Forb/herb Symphyotrichum undulatum wavyleaf aster Asteraceae Forb/herb Symphyotrichum urophyllum white arrowleaf aster Asteraceae Forb/herb Symplocarpus foetidus skunk cabbage Araceae Forb/herb Taenidia integerrima yellow pimpernel Apiaceae Forb/herb Taraxacum officinale common dandelion Asteraceae Forb/herb Taxodium distichum bald cypress Cupressaceae Tree Taxus canadensis Canada yew Taxaceae Shrub Tephrosia virginiana Virginia tephrosia Fabaceae Subshrub, Forb/herb Teucrium canadense Canada germander Lamiaceae Forb/herb Teucrium canadense var. canadense Canada germander Lamiaceae Forb/herb Teucrium canadense var. occidentale western germander Lamiaceae Forb/herb Thalictrum dioicum early meadow-rue Ranunculaceae Forb/herb Thalictrum pubescens king of the meadow Ranunculaceae Forb/herb Thalictrum revolutum waxyleaf meadow-rue Ranunculaceae Forb/herb Thalictrum thalictroides rue anemone Ranunculaceae Forb/herb Thaspium barbinode hairyjoint meadowparsnip Apiaceae Forb/herb Thaspium trifoliatum purple meadowparsnip Apiaceae Forb/herb Thaspium trifoliatum var. trifoliatum purple meadowparsnip Apiaceae Forb/herb Thelypteris noveboracensis New York fern Thelypteridaceae Forb/herb Thelypteris palustris eastern marsh fern Thelypteridaceae Forb/herb Thelypteris palustris var. pubescens eastern marsh fern Thelypteridaceae Forb/herb Thelypteris simulata bog fern Thelypteridaceae Forb/herb Thermopsis mollis Allegheny Mountain goldenbanner Fabaceae Forb/herb Thermopsis villosa Aaron's rod Fabaceae Forb/herb Thuja occidentalis arborvitae Cupressaceae Tree Tiarella cordifolia heartleaf foamflower Saxifragaceae Forb/herb Tiarella cordifolia var. cordifolia heartleaf foamflower Saxifragaceae Forb/herb Tilia americana American basswood Tiliaceae Tree Tilia americana var. americana American basswood Tiliaceae Tree Tilia americana var. heterophylla American basswood Tiliaceae Tree Tipularia discolor crippled cranefly Orchidaceae Forb/herb Torreyochloa pallida pale false mannagrass Poaceae Graminoid Torreyochloa pallida var. fernaldii Fernald's false mannagrass Poaceae Graminoid Torreyochloa pallida var. pallida pale false mannagrass Poaceae Graminoid Toxicodendron pubescens Atlantic poison oak Anacardiaceae Subshrub, Shrub, Forb/herb Toxicodendron radicans eastern poison ivy Anacardiaceae Shrub, Forb/herb, Subshrub, Vine Toxicodendron radicans ssp. radicans eastern poison ivy Anacardiaceae Shrub, Forb/herb, Subshrub, Vine Toxicodendron vernix poison sumac Anacardiaceae Tree, Shrub Tradescantia occidentalis prairie spiderwort Commelinaceae Forb/herb Tradescantia occidentalis var. occidentalis prairie spiderwort Commelinaceae Forb/herb Tradescantia ohiensis bluejacket Commelinaceae Forb/herb Tradescantia virginiana Virginia spiderwort Commelinaceae Forb/herb Triadenum fraseri Fraser's marsh St. Johnswort Clusiaceae Forb/herb Triadenum virginicum Virginia marsh St. Johnswort Clusiaceae Forb/herb Triadenum walteri greater marsh St. Johnswort Clusiaceae Forb/herb Triantha glutinosa sticky tofieldia Liliaceae Forb/herb Triantha racemosa coastal false asphodel Liliaceae Forb/herb Trianthema portulacastrum desert horsepurslane Aizoaceae Forb/herb Trichomanes intricatum weft fern Hymenophyllaceae Forb/herb Trichophorum planifolium bashful bulrush Cyperaceae Graminoid Trichostema brachiatum fluxweed Lamiaceae Forb/herb Trichostema dichotomum forked bluecurls Lamiaceae Forb/herb Trichostema setaceum narrowleaf bluecurls Lamiaceae Forb/herb Tridens flavus purpletop tridens Poaceae Graminoid Tridens flavus var. chapmanii Chapman's tridens Poaceae Graminoid Tridens flavus var. flavus purpletop tridens Poaceae Graminoid Trientalis borealis starflower Primulaceae Forb/herb Trientalis borealis ssp. borealis starflower Primulaceae Forb/herb Trifolium reflexum buffalo clover Fabaceae Forb/herb Triglochin maritima seaside arrowgrass Juncaginaceae Graminoid Trillium cernuum whip-poor-will flower Liliaceae Forb/herb Trillium erectum red trillium Liliaceae Forb/herb Trillium grandiflorum white trillium Liliaceae Forb/herb Trillium undulatum painted trillium Liliaceae Forb/herb Triodanis perfoliata clasping Venus' looking-glass Campanulaceae Forb/herb Triosteum angustifolium yellowfruit horse-gentian Caprifoliaceae Forb/herb Triosteum aurantiacum orangefruit horse-gentian Caprifoliaceae Forb/herb Triosteum aurantiacum var. aurantiacum orangefruit horse-gentian Caprifoliaceae Forb/herb Triosteum aurantiacum var. glaucescens orangefruit horse-gentian Caprifoliaceae Forb/herb Triosteum perfoliatum feverwort Caprifoliaceae Forb/herb Triphora trianthophora threebirds Orchidaceae Forb/herb Triplasis purpurea purple sandgrass Poaceae Graminoid Tripleurospermum maritimum false mayweed Asteraceae Forb/herb Tripsacum dactyloides eastern gamagrass Poaceae Graminoid Trollius laxus American globeflower Ranunculaceae Forb/herb Trollius laxus ssp. laxus American globeflower Ranunculaceae Forb/herb Tsuga canadensis eastern hemlock Pinaceae Tree Typha angustifolia narrowleaf cattail Typhaceae Forb/herb Typha ×glauca hybrid cattail Typhaceae Forb/herb Typha latifolia broadleaf cattail Typhaceae Forb/herb Ulmus americana American elm Ulmaceae Tree Ulmus rubra slippery elm Ulmaceae Tree Ulmus thomasii rock elm Ulmaceae Tree Urochloa adspersa Dominican signalgrass Poaceae Graminoid Urtica dioica stinging nettle Urticaceae Forb/herb Urtica dioica ssp. gracilis California nettle Urticaceae Forb/herb Utricularia cornuta horned bladderwort Lentibulariaceae Forb/herb Utricularia geminiscapa hiddenfruit bladderwort Lentibulariaceae Forb/herb Utricularia gibba humped bladderwort Lentibulariaceae Forb/herb Utricularia inflata swollen bladderwort Lentibulariaceae Forb/herb Utricularia intermedia flatleaf bladderwort Lentibulariaceae Forb/herb Utricularia juncea southern bladderwort Lentibulariaceae Forb/herb Utricularia macrorhiza common bladderwort Lentibulariaceae Forb/herb Utricularia minor lesser bladderwort Lentibulariaceae Forb/herb Utricularia olivacea piedmont bladderwort Lentibulariaceae Forb/herb Utricularia purpurea eastern purple bladderwort Lentibulariaceae Forb/herb Utricularia radiata little floating bladderwort Lentibulariaceae Forb/herb Utricularia resupinata lavender bladderwort Lentibulariaceae Forb/herb Utricularia striata striped bladderwort Lentibulariaceae Forb/herb Utricularia subulata zigzag bladderwort Lentibulariaceae Forb/herb Uvularia perfoliata perfoliate bellwort Liliaceae Forb/herb Uvularia puberula mountain bellwort Liliaceae Forb/herb Uvularia sessilifolia sessileleaf bellwort Liliaceae Forb/herb Vaccinium angustifolium lowbush blueberry Ericaceae Subshrub, Shrub Vaccinium caesariense New Jersey blueberry Ericaceae Shrub Vaccinium corymbosum highbush blueberry Ericaceae Shrub Vaccinium formosum southern blueberry Ericaceae Shrub Vaccinium fuscatum black highbush blueberry Ericaceae Shrub Vaccinium macrocarpon cranberry Ericaceae Subshrub, Shrub Vaccinium oxycoccos small cranberry Ericaceae Subshrub, Shrub Vaccinium pallidum Blue Ridge blueberry Ericaceae Subshrub, Shrub Vaccinium stamineum deerberry Ericaceae Shrub Valerianella chenopodiifolia goosefoot cornsalad Valerianaceae Forb/herb Valerianella radiata beaked cornsalad Valerianaceae Forb/herb Valerianella umbilicata navel cornsalad Valerianaceae Forb/herb Vallisneria americana American eelgrass Hydrocharitaceae Forb/herb Veratrum hybridum slender bunchflower Liliaceae Forb/herb Veratrum virginicum Virginia bunchflower Liliaceae Forb/herb Veratrum viride green false hellebore Liliaceae Forb/herb Verbena bracteata bigbract verbena Verbenaceae Forb/herb Verbena ×engelmannii vervain Verbenaceae Forb/herb Verbena hastata swamp verbena Verbenaceae Forb/herb Verbena hastata var. hastata swamp verbena Verbenaceae Forb/herb Verbena simplex narrowleaf vervain Verbenaceae Forb/herb Verbena stricta hoary verbena Verbenaceae Forb/herb Verbena urticifolia white vervain Verbenaceae Forb/herb Verbena urticifolia var. leiocarpa white vervain Verbenaceae Forb/herb Verbena urticifolia var. urticifolia white vervain Verbenaceae Forb/herb Verbesina alternifolia wingstem Asteraceae Forb/herb Vernonia glauca broadleaf ironweed Asteraceae Forb/herb Vernonia noveboracensis New York ironweed Asteraceae Forb/herb Veronica americana American speedwell Scrophulariaceae Forb/herb Veronica anagallis-aquatica water speedwell Scrophulariaceae Forb/herb Veronica peregrina neckweed Scrophulariaceae Forb/herb Veronica peregrina ssp. peregrina neckweed Scrophulariaceae Forb/herb Veronica peregrina ssp. xalapensis hairy purslane speedwell Scrophulariaceae Forb/herb Veronica scutellata skullcap speedwell Scrophulariaceae Forb/herb Veronica serpyllifolia thymeleaf speedwell Scrophulariaceae Forb/herb Veronicastrum virginicum Culver's root Scrophulariaceae Forb/herb Viburnum acerifolium mapleleaf viburnum Caprifoliaceae Shrub, Subshrub Viburnum dentatum southern arrowwood Caprifoliaceae Tree, Shrub Viburnum dentatum var. dentatum southern arrowwood Caprifoliaceae Tree, Shrub Viburnum dentatum var. venosum southern arrowwood Caprifoliaceae Tree, Shrub Viburnum lantanoides hobblebush Caprifoliaceae Shrub Viburnum lentago nannyberry Caprifoliaceae Tree, Shrub Viburnum nudum possumhaw Caprifoliaceae Tree, Shrub Viburnum nudum var. cassinoides withe-rod Caprifoliaceae Tree, Shrub Viburnum nudum var. nudum possumhaw Caprifoliaceae Tree, Shrub Viburnum opulus European cranberrybush Caprifoliaceae Tree, Shrub Viburnum opulus var. americanum American cranberrybush Caprifoliaceae Tree, Shrub Viburnum prunifolium blackhaw Caprifoliaceae Tree, Shrub Viburnum rafinesqueanum downy arrowwood Caprifoliaceae Shrub Viburnum recognitum southern arrowwood Caprifoliaceae Shrub, Tree Vicia americana American vetch Fabaceae Vine, Forb/herb Vicia americana ssp. americana American vetch Fabaceae Vine, Forb/herb Vicia caroliniana Carolina vetch Fabaceae Vine, Forb/herb Viola affinis sand violet Violaceae Forb/herb Viola ×bernardii Bernard violet Violaceae Forb/herb Viola bicolor field pansy Violaceae Forb/herb Viola ×bissellii hybrid violet Violaceae Forb/herb Viola blanda sweet white violet Violaceae Forb/herb Viola blanda var. blanda sweet white violet Violaceae Forb/herb Viola blanda var. palustriformis sweet white violet Violaceae Forb/herb Viola brittoniana northern coastal violet Violaceae Forb/herb Viola brittoniana var. brittoniana northern coastal violet Violaceae Forb/herb Viola brittoniana var. pectinata northern coastal violet Violaceae Forb/herb Viola canadensis Canadian white violet Violaceae Forb/herb Viola canadensis var. canadensis Canadian white violet Violaceae Forb/herb Viola ×conjugens hybrid violet Violaceae Forb/herb Viola ×consobrina hybrid violet Violaceae Forb/herb Viola ×consocia hybrid violet Violaceae Forb/herb Viola ×cordifolia hybrid violet Violaceae Forb/herb Viola cucullata marsh blue violet Violaceae Forb/herb Viola ×dissita hybrid violet Violaceae Forb/herb Viola ×eamesii hybrid violet Violaceae Forb/herb Viola ×filicetorum hybrid violet Violaceae Forb/herb Viola hirsutula southern woodland violet Violaceae Forb/herb Viola ×hollickii hybrid violet Violaceae Forb/herb Viola labradorica alpine violet Violaceae Forb/herb Viola lanceolata bog white violet Violaceae Forb/herb Viola lanceolata ssp. lanceolata bog white violet Violaceae Forb/herb Viola macloskeyi small white violet Violaceae Forb/herb Viola macloskeyi ssp. pallens smooth white violet Violaceae Forb/herb Viola ×malteana hybrid violet Violaceae Forb/herb Viola ×mistura hybrid violet Violaceae Forb/herb Viola ×mollicula hybrid violet Violaceae Forb/herb Viola ×mulfordiae hybrid violet Violaceae Forb/herb Viola ×notabilis hybrid violet Violaceae Forb/herb Viola ×palmata early blue violet Violaceae Forb/herb Viola pedata birdfoot violet Violaceae Forb/herb Viola ×populifolia Peck's violet Violaceae Forb/herb Viola ×porteriana hybrid violet Violaceae Forb/herb Viola ×primulifolia Violaceae Forb/herb Viola pubescens downy yellow violet Violaceae Forb/herb Viola pubescens var. pubescens downy yellow violet Violaceae Forb/herb Viola pubescens var. scabriuscula downy yellow violet Violaceae Forb/herb Viola ×ravida hybrid violet Violaceae Forb/herb Viola ×redacta hybrid violet Violaceae Forb/herb Viola ×robinsoniana hybrid violet Violaceae Forb/herb Viola rostrata longspur violet Violaceae Forb/herb Viola rotundifolia roundleaf yellow violet Violaceae Forb/herb Viola sagittata arrowleaf violet Violaceae Forb/herb Viola sagittata var. ovata arrowleaf violet Violaceae Forb/herb Viola sagittata var. sagittata arrowleaf violet Violaceae Forb/herb Viola septentrionalis northern woodland violet Violaceae Forb/herb Viola ×slavinii hybrid violet Violaceae Forb/herb Viola sororia common blue violet Violaceae Forb/herb Viola striata striped cream violet Violaceae Forb/herb Viola triloba three-lobe violet Violaceae Forb/herb Viola triloba var. dilatata three-lobe violet Violaceae Forb/herb Viola triloba var. triloba three-lobe violet Violaceae Forb/herb Vitis aestivalis summer grape Vitaceae Vine Vitis aestivalis var. aestivalis summer grape Vitaceae Vine Vitis aestivalis var. bicolor summer grape Vitaceae Vine Vitis labrusca fox grape Vitaceae Vine Vitis ×novae-angliae pilgrim grape Vitaceae Vine Vitis palmata catbird grape Vitaceae Vine Vitis riparia riverbank grape Vitaceae Vine Vitis vulpina frost grape Vitaceae Vine Vulpia elliotea squirreltail fescue Poaceae Graminoid Vulpia octoflora sixweeks fescue Poaceae Graminoid Vulpia octoflora var. glauca sixweeks fescue Poaceae Graminoid Vulpia octoflora var. octoflora sixweeks fescue Poaceae Graminoid Waldsteinia fragarioides Appalachian barren strawberry Rosaceae Forb/herb Waldsteinia fragarioides ssp. fragarioides Appalachian barren strawberry Rosaceae Forb/herb Wisteria frutescens American wisteria Fabaceae Vine Wolffia borealis northern watermeal Lemnaceae Forb/herb Wolffia brasiliensis Brazilian watermeal Lemnaceae Forb/herb Wolffia columbiana Columbian watermeal Lemnaceae Forb/herb Wolffiella gladiata Florida mudmidget Lemnaceae Forb/herb Woodsia ilvensis rusty woodsia Dryopteridaceae Forb/herb Woodsia obtusa bluntlobe cliff fern Dryopteridaceae Forb/herb Woodsia obtusa ssp. obtusa bluntlobe cliff fern Dryopteridaceae Forb/herb Woodwardia areolata netted chainfern Blechnaceae Forb/herb Woodwardia virginica Virginia chainfern Blechnaceae Forb/herb Xanthium strumarium rough cocklebur Asteraceae Forb/herb Xanthium strumarium var. canadense Canada cocklebur Asteraceae Forb/herb Xanthium strumarium var. glabratum rough cocklebur Asteraceae Forb/herb Xanthium strumarium var. strumarium rough cocklebur Asteraceae Forb/herb Xanthorhiza simplicissima yellowroot Ranunculaceae Subshrub, Forb/herb Xerophyllum asphodeloides eastern turkeybeard Liliaceae Forb/herb Xyris caroliniana Carolina yelloweyed grass Xyridaceae Forb/herb Xyris chapmanii Chapman's yelloweyed grass Xyridaceae Forb/herb Xyris difformis bog yelloweyed grass Xyridaceae Forb/herb Xyris difformis var. difformis bog yelloweyed grass Xyridaceae Forb/herb Xyris fimbriata fringed yelloweyed grass Xyridaceae Forb/herb Xyris jupicai Richard's yelloweyed grass Xyridaceae Forb/herb Xyris montana northern yelloweyed grass Xyridaceae Forb/herb Xyris smalliana Small's yelloweyed grass Xyridaceae Forb/herb Xyris torta slender yelloweyed grass Xyridaceae Forb/herb Yucca filamentosa Adam's needle Agavaceae Subshrub, Shrub, Forb/herb Zannichellia palustris horned pondweed Zannichelliaceae Forb/herb Zanthoxylum americanum common pricklyash Rutaceae Tree, Shrub Zigadenus leimanthoides pine barren deathcamas Liliaceae Forb/herb Zizania aquatica annual wildrice Poaceae Graminoid Zizania aquatica var. aquatica annual wildrice Poaceae Graminoid Zizania palustris northern wildrice Poaceae Graminoid Zizia aptera meadow zizia Apiaceae Forb/herb Zizia aurea golden zizia Apiaceae Forb/herb Zostera marina seawrack Zosteraceae Forb/herb

Time Generated: 09/24/2016 12:31 PM CDT

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