ALASKA REGION - NWPL 2016 FINAL RATINGS User Notes: 1) Plant species not listed are considered UPL for wetland delineation purposes. 2) A few UPL species are listed because they are rated FACU or wetter in at least one Corps region.

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

Abies amabilis Pacific Silver Fir UPL Anthoxanthum odoratum Large Sweet Vernal Grass FACU Bidens cernua Nodding Burr-Marigold OBL Abies lasiocarpa Subalpine Fir UPL Anticlea elegans Mountain False Deathcamas FACU Bidens frondosa Devil's-Pitchfork FACW Acer circinatum Vine Maple FAC Aphragmus eschscholtzianus Aleutian-Cress FACW Bidens tripartita Three-Lobe Beggarticks FACW Acer glabrum Rocky Mountain Maple FACU Apocynum androsaemifolium Spreading Dogbane UPL Bistorta plumosa Plumed Bistort FACU Achillea millefolium Common Yarrow FACU Aquilegia formosa Crimson Columbine FACU Bistorta vivipara Serpent-Grass FAC Achillea ptarmica Pearl Yarrow FACU Arabidopsis lyrata Lyre-Leaf Thalecress FACU Blechnum spicant Deer Fern FAC Achnatherum richardsonii Richardson's Rice Grass FACU Arabis eschscholtziana Pacific-Coast Eared Rockcress FACU Blysmopsis rufa Red-Bulrush OBL Aconitum delphiniifolium Larkspur-Leaf Monkshood FAC Arabis pycnocarpa Hairy Eared Rockcress FACU Boechera collinsii UPL Aconogonon alaskanum Alaska Fleeceflower FAC Arctagrostis latifolia Broad-Leaf Arctic-Bent FACW Boechera grahamii Boivin's Rockcress FACU Acorus americanus Several-Vein Sweetflag OBL Arctanthemum arcticum Arctic Daisy FACW Boechera lemmonii Soldier Rockcress UPL Actaea rubra Red Baneberry FAC Arctophila fulva Pendant Grass OBL Boechera stricta Canadian Rockcress FACU Adiantum aleuticum Aleutian Maidenhair FAC Arctostaphylos uva-ursi Red Bearberry UPL Boschniakia rossica Northern Groundcone FACU Adoxa moschatellina Muskroot FAC Arctous alpinus Black Torpedoberry FACU Botrychium ascendens Triangle-Lobe Moonwort FACU Agoseris aurantiaca Orange-Flower Goat-Chicory FAC Arctous ruber Red Torpedoberry FAC Botrychium lanceolatum Lance-Leaf Moonwort FAC Agoseris glauca Pale Goat-Chicory FAC Armeria maritima Sea Thrift FACU Botrychium lunaria Common Moonwort FACW Agrostis capillaris Colonial Bent FACU Arnica chamissonis Leafy Leopardbane FACW Botrychium pinnatum Northeastern Moonwort UPL Agrostis clavata Clubbed Bent OBL Arnica lanceolata Lance-Leaf Leopardbane FAC Botrychium simplex Least Moonwort FACU Agrostis exarata Spiked Bent FACW Arnica latifolia Daffodil Leopardbane FAC Botrypus virginianus Rattlesnake Fern FACU Agrostis gigantea Black Bent FAC Arnica mollis Cordilleran Leopardbane FACW Brasenia schreberi Watershield OBL Agrostis idahoensis Idaho Bent FACW Arnica ovata Sticky-Leaf Leopardbane FACW Brassica juncea Chinese Mustard UPL Agrostis mertensii Northern Bent FACU Arrhenatherum elatius Tall Oat Grass UPL Brassica rapa Rape UPL Agrostis scabra Rough Bent FAC Artemisia biennis Biennial Wormwood FAC Braya glabella Smooth Northern-Rockcress FAC Agrostis stolonifera Spreading Bent FAC Artemisia campestris Pacific Wormwood UPL Braya humilis Alpine Northern-Rockcress FAC Agrostis vinealis Brown Bent FAC Artemisia cana Coaltown Sagebrush FACU Bromus briziformis Rattlesnake Brome FACU Aira caryophyllea Common Silver-Hair Grass FAC Artemisia ludoviciana White Sagebrush FACU Bromus ciliatus Fringed Brome FACU Alisma plantago-aquatica European Water-Plantain OBL Artemisia norvegica Boreal Sagebrush FACU Bromus hordeaceus Soft Brome FACU Alisma triviale Northern Water-Plantain OBL Artemisia stelleriana Oldwoman UPL Bromus inermis Smooth Brome UPL Alliaria petiolata Garlic-Mustard FACU Artemisia tilesii Tilesius' Wormwood FACU Bromus richardsonii Richardson's Brome FACU Allium schoenoprasum Wild Chives FAC Artemisia vulgaris Common Wormwood UPL Cakile edentula American Searocket FACU Allium vineale Crow Garlic UPL Aruncus dioicus Bride's-Feathers UPL Calamagrostis canadensis Bluejoint FAC Alnus incana Speckled Alder FAC Asperugo procumbens German-Madwort UPL Calamagrostis deschampsioides Alnus rubra Red Alder FAC Asplenium trichomanes Maidenhair Spleenwort FAC Circumpolar Reed Grass FACW Alnus viridis Sitka Alder FAC Astragalus alpinus Alpine Milk-Vetch FAC Calamagrostis lapponica Lapland Reed Grass FAC Alopecurus aequalis Short-Awn Meadow-Foxtail OBL Astragalus americanus American Milk-Vetch FAC Calamagrostis nutkaensis Nootka Reed Grass FAC Alopecurus geniculatus Marsh Meadow-Foxtail OBL Astragalus bodinii Bodin's Milk-Vetch FAC Calamagrostis stricta Slim-Stem Reed Grass FACW Alopecurus magellanicus Alpine Meadow-Foxtail FACW Astragalus eucosmus Elegant Milk-Vetch UPL Calla palustris Water-Dragon OBL Alopecurus pratensis Field Meadow-Foxtail FACW Astragalus nutzotinensis Nutzotin Milk-Vetch FAC Callitriche hermaphroditica Autumn Water-Starwort OBL Amaranthus albus Tumbleweed FACU Astragalus polaris Polar Milk-Vetch FAC Callitriche heterophylla Greater Water-Starwort OBL Amaranthus blitoides Mat Amaranth UPL Astragalus robbinsii Robbins' Milk-Vetch FAC Callitriche palustris Vernal Water-Starwort OBL Amaranthus retroflexus Red-Root UPL Athyrium americanum American Alpine Lady Fern FAC Callitriche stenoptera Narrow-Wing Water-Starwort OBL Ambrosia artemisiifolia Annual Ragweed FACU Athyrium cyclosorum Western Lady Fern FAC Callitropsis nootkatensis Alaska-Cedar FAC Ambrosia trifida Great Ragweed FAC Atriplex alaskensis Alaska Orache FACW Caltha leptosepala White Marsh-Marigold OBL Amelanchier alnifolia Saskatoon Service-Berry UPL Atriplex gmelinii Gmelin's Saltbush FACW Caltha natans Floating Marsh-Marigold OBL Anaphalis margaritacea Pearly-Everlasting UPL Atriplex hortensis Garden Orache FACU Caltha palustris Yellow Marsh-Marigold OBL Andromeda polifolia Bog-Rosemary FACW Atriplex patula Halberd-Leaf Orache FACW Calypso bulbosa Fairy-Slipper Orchid FAC Androsace chamaejasme Sweet-Flower Rock-Jasmine FACU Avena sativa Oat UPL Calystegia sepium Hedge False Bindweed FAC Androsace septentrionalis Pygmy-Flower Rock-Jasmine UPL Azolla filiculoides Large Mosquito Fern OBL Camelina sativa Gold-of-Pleasure UPL Anemone narcissiflora Narcissus-Flower Thimbleweed FACU Barbarea orthoceras American Yellow-Rocket FACW Campanula lasiocarpa Alaska Bellflower UPL Anemone parviflora Small-Flower Thimbleweed FACU Barbarea vulgaris Garden Yellow-Rocket FACU Campanula rotundifolia Bluebell-of-Scotland UPL Anemone richardsonii Yellow Thimbleweed FAC Beckmannia syzigachne American Slough Grass OBL Campanula scouleri Pale Bellflower UPL Angelica genuflexa Kneeling Angelica FACW Beckwithia glacialis Glacier Pink Buttercup FACW Campanula uniflora Arctic Bellflower UPL Angelica lucida Seacoast Angelica FACU Betula glandulosa Resin Birch FAC Canadanthus modestus Canada-Aster FAC Antennaria alpina Alpine Pussytoes FACU Betula kenaica Kenai Birch FACU Capsella bursa-pastoris Shepherd's-Purse FACU Antennaria pulcherrima Showy Pussytoes FAC Betula nana Swamp Birch FAC Cardamine angulata Seaside Bittercress FACW Anthemis cotula Stinking Chamomile FACU Betula neoalaskana Alaska Paper Birch FACU Cardamine bellidifolia Alpine Bittercress FAC Anthoxanthum arcticum Arctic Sweet Vernal Grass FACW Betula occidentalis Water Birch FAC Cardamine blaisdellii FACW Anthoxanthum hirtum Northern Sweet Vernal Grass FACW Betula papyrifera Paper Birch FACU Cardamine digitata Richardson's Bittercress FAC Cardamine hirsuta Hairy Bittercress FACU Carex mackenziei Mackenzie's Sedge OBL FACW Cardamine microphylla Little-Leaf Bittercress FACW Carex macloviana Falkland Island Sedge FAC Cerastium fontanum Common Mouse-Ear Chickweed Cardamine nymanii FACW Carex macrocephala Big-Head Sedge FAC FACU Cardamine occidentalis Big Western Bittercress FACW Carex macrochaeta Alaska Long-Awn Sedge FACW Cerastium glomeratum Sticky Mouse-Ear Chickweed UPL Cardamine pensylvanica Quaker Bittercress FACW Carex magellanica Boreal-Bog Sedge OBL Cerastium regelii Regel's Mouse-Ear Chickweed FACW Cardamine purpurea Purple Bittercress FACW Carex marina Sea Sedge OBL Ceratophyllum demersum Coon's-Tail OBL Cardamine umbellata Umbell's Bittercress FACW Carex maritima Seaside Sedge FAC Chamaedaphne calyculata Leatherleaf FACW Carex X physocarpoides OBL Carex media Montana Sedge FACW Chamaenerion angustifolium Narrow-Leaf Fireweed FACU Carex adelostoma Circumpolar Sedge OBL Carex membranacea Fragile-Seed Sedge FACW Chamaenerion latifolium Broad-Leaf Fireweed FAC Carex albonigra Black-and-White-Scale Sedge FACU Carex mertensii Mertens' Sedge FACW Chenopodium album Lamb's-Quarters FACU Carex anthoxanthea Grassy-Slope Arctic Sedge FACW Carex microchaeta Alpine-Tundra Sedge FAC Chenopodium glaucum Oak-Leaf Goosefoot FAC Carex aquatilis Leafy Tussock Sedge OBL Carex microglochin False Uncinia Sedge OBL Chenopodium leptophyllum Narrow-Leaf Goosefoot FACU Carex arcta Northern Cluster Sedge OBL Carex micropoda Pyrenean Sedge FACW Chenopodium rubrum Red Goosefoot OBL Carex arctiformis Polar Sedge OBL Carex microptera Small-Wing Sedge FAC Chrysosplenium rosendahlii Rosendahl's Golden-Saxifrage FACW Carex atherodes Wheat Sedge OBL Carex nardina Nard Sedge FACU Chrysosplenium tetrandrum Northern Golden-Saxifrage OBL Carex athrostachya Slender-Beak Sedge FAC Carex nigricans Black Alpine Sedge FACW Chrysosplenium wrightii Wright's Golden-Saxifrage FAC Carex atratiformis Scabrous Black Sedge FACW Carex pachystachya Thick-Head Sedge FAC Cicuta bulbifera Bulblet-Bearing Water-Hemlock OBL Carex atrofusca Scorched Alpine Sedge FACW Carex parryana Parry's Sedge FACW Cicuta douglasii Western Water-Hemlock OBL Carex atrosquama Lesser Black-Scale Sedge FACW Carex pauciflora Few-Flower Sedge OBL Cicuta maculata Spotted Water-Hemlock OBL Carex aurea Golden-Fruit Sedge FACW Carex paysonis Payson's Sedge FACU Cicuta virosa Mackenzie's Water-Hemlock OBL Carex bebbii Bebb's Sedge OBL Carex petasata Liddon Sedge UPL Cinna latifolia Slender Wood-Reed FACW Carex bicolor Two-Color Sedge OBL Carex phaeocephala Mountain Hare Sedge FAC Circaea alpina Small Enchanter's-Nightshade FACW Carex bigelowii Bigelow's Sedge FAC Carex pluriflora Several-Flower Sedge OBL Cirsium arvense Canadian Thistle FAC Carex bonanzensis Yukon Sedge FACW Carex podocarpa Short-Stalk Sedge FAC Cirsium edule Edible Thistle FAC Carex brunnescens Brownish Sedge FAC Carex praegracilis Clustered Field Sedge FACW Cirsium foliosum Elk Thistle FACU Carex buxbaumii Brown Bog Sedge FACW Carex praticola Northern Meadow Sedge FAC Cirsium vulgare Bull Thistle UPL Carex canescens Hoary Sedge FACW Carex preslii Presl's Sedge FACU Claytonia acutifolia Grass-Leaf Springbeauty FACU Carex capillaris Hair-Like Sedge FACW Carex ramenskii Ramensk's Sedge OBL Claytonia arctica Arctic Springbeauty FAC Carex capitata Capitate Sedge FAC Carex rariflora Loose-Flower Alpine Sedge OBL Claytonia multiscapa Many-Stem Springbeauty FAC Carex chordorrhiza Rope-Root Sedge OBL Carex rostrata Swollen Beaked Sedge OBL Claytonia parviflora Streambank Springbeauty FACU Carex concinna Low Northern Sedge FAC Carex rotundata Pumpkin-Fruit Sedge OBL Claytonia perfoliata Miner's-Lettuce FACW Carex crawfordii Crawford's Sedge FAC Carex rupestris Curly Sedge FACU Claytonia sarmentosa Alaska Springbeauty FAC Carex deweyana Dewey's Sedge FACU Carex sartwellii Sartwell's Sedge OBL Claytonia sibirica Siberian Springbeauty FACW Carex diandra Lesser Tussock Sedge OBL Carex saxatilis Russet Sedge FACW Claytonia tuberosa Tuberous Springbeauty FACW Carex disperma Soft-Leaf Sedge FACW Carex scirpoidea Canadian Single-Spike Sedge FACU Clinopodium douglasii Oregon-Tea FACU Carex eburnea Bristle-Leaf Sedge FACU Carex siccata Dry-Spike Sedge FACU Cnidium cnidiifolium Jakutsk Snow-Parsley FAC Carex echinata Star Sedge OBL Carex spectabilis Northwestern Showy Sedge FACW Cochlearia groenlandica Danish Scurvy-Grass FACW Carex eleusinoides Goosegrass Sedge FACW Carex sprengelii Long-Beak Sedge FAC Cochlearia sessilifolia Sessile-Leaf Scurvy-Grass FACW Carex enanderi Alaska Sedge OBL Carex stipata Stalk-Grain Sedge OBL Coeloglossum viride Long-Bract Frog Orchid FACW Carex exsiccata Western Inflated Sedge OBL Carex stylosa Long-Style Sedge FACW Collomia linearis Narrow-Leaf Mountain-Trumpet FACU Carex flava Yellow-Green Sedge OBL Carex subspathacea Hoppner's Sedge OBL Comandra umbellata Bastard-Toadflax FACU Carex foenea Bronze-Head Oval Sedge FACU Carex sychnocephala Many-Head Sedge FACW Comarum palustre Purple Marshlocks OBL Carex fuliginosa Short-Leaf Sedge FAC Carex tenuiflora Sparse-Flower Sedge OBL Comastoma tenellum Samiland-Gentian FACW Carex garberi Elk Sedge FACW Carex ursina Bear Sedge FACW Conioselinum pacificum Pacific Hemlock-Parsley FACW Carex glareosa Lesser Saltmarsh Sedge OBL Carex utriculata Northwest Territory Sedge OBL Coptidium lapponicum OBL Carex gmelinii Gmelin's Sedge FAC Carex vaginata Sheathed Sedge OBL Coptidium pallasii OBL Carex gynocrates Northern Bog Sedge OBL Carex viridula Little Green Sedge OBL Coptis aspleniifolia Fern-Leaf Goldthread FAC Carex heleonastes Hudson Bay Sedge OBL Carex williamsii Williams' Sedge FAC Coptis trifolia Three-Leaf Goldthread FAC Carex holostoma Arctic Marsh Sedge OBL Cassiope mertensiana Western Moss-Heather UPL Corallorhiza maculata Summer Coralroot UPL Carex hoodii Hood's Sedge FACU Cassiope tetragona White Arctic Mountain-Heather FACU Corallorhiza trifida Yellow Coralroot FACW Carex incurviformis Coastal-Sand Sedge FAC Castilleja chrymactis Panhandle Indian-Paintbrush FAC Cornus alba Red Osier FAC Carex interior Inland Sedge OBL Castilleja miniata Great Red Indian-Paintbrush FAC Cornus canadensis Canadian Bunchberry FACU Carex kelloggii Kellogg's Sedge OBL Castilleja pallida Port Clarence Indian-Paintbrush Cornus suecica Dwarf Bog Bunchberry FAC Carex lachenalii Arctic Hare-Foot Sedge OBL FAC Corydalis arctica Few-Flower Fumewort FAC Carex laeviculmis Smooth-Stem Sedge FACW Castilleja parviflora Small-Flower Indian-Paintbrush FACW Cotula coronopifolia Common Brassbuttons OBL Carex lapponica Lapland Sedge OBL Castilleja raupii Raup's Indian-Paintbrush FAC Crassula aquatica Water Pygmyweed OBL Carex lasiocarpa Woolly-Fruit Sedge OBL Castilleja tenuis Hairy Indian-Paintbrush FAC Crataegus douglasii Black Hawthorn FAC Carex laxa Weak Sedge OBL Castilleja unalaschcensis Alaska Indian-Paintbrush FAC Crataegus gaylussacia Suksdorf's Hawthorn UPL Carex lenticularis Lakeshore Sedge OBL Catabrosa aquatica Water Whorl Grass OBL Crataegus monogyna English Hawthorn FACU Carex leptalea Bristly-Stalk Sedge OBL Centaurea cyanus Garden Cornflower UPL Crepis capillaris Smooth Hawk's-Beard UPL Carex limosa Mud Sedge OBL Cerastium arvense Field Mouse-Ear Chickweed FAC Cryptogramma stelleri Fragile Rockbrake FAC Carex livida Livid Sedge OBL Cerastium beeringianum Bering Sea Mouse-Ear Chickweed Cyperus esculentus Chufa FACW Carex loliacea Rye-Grass Sedge OBL FAC Cypripedium montanum Mountain Lady's-Slipper FACU Carex lyngbyei Lyngbye's Sedge OBL Cerastium fischerianum Fischer's Mouse-Ear Chickweed Cypripedium parviflorum Yellow Lady's-Slipper FACW Cypripedium passerinum Sparrow-Egg Lady's-Slipper FAC Epilobium ciliatum Fringed Willowherb FAC Geranium erianthum Woolly Crane's-Bill FACU Cyrtorhyncha cymbalaria Alkali Buttercup OBL Epilobium clavatum Talus Willowherb FAC Geranium robertianum Lesser Herbrobert FACU Cystopteris fragilis Brittle Bladder Fern FACU Epilobium davuricum Dahurian Willowherb FACW Geum aleppicum Yellow Avens FACU Cystopteris montana Mountain Bladder Fern FAC Epilobium hornemannii Hornemann's Willowherb FACW Geum calthifolium Caltha-Leaf Avens FACW Dactylis glomerata Orchard Grass FACU Epilobium lactiflorum White-Flower Willowherb FACW Geum macrophyllum Large-Leaf Avens FAC Dactylorhiza aristata Keyflower FAC Epilobium leptocarpum Slender-Fruit Willowherb FACW Geum pentapetalum Aleutian Avens FACW Danthonia compressa Flattened Wild Oat Grass UPL Epilobium leptophyllum Bog Willowherb FACW Geum rossii Ross' Avens FACU Danthonia intermedia Timber Wild Oat Grass FAC Epilobium luteum Yellow Willowherb FACW Glechoma hederacea Groundivy UPL Daphne mezereum Paradise-Plant FACU Epilobium palustre Marsh Willowherb OBL Glehnia littoralis American Silvertop UPL Dasiphora fruticosa Golden-Hardhack FAC Equisetum X litorale OBL Glyceria borealis Small Floating Manna Grass OBL Delphinium glaucum Tower Larkspur FACW Equisetum X mackaii FACW Glyceria grandis American Manna Grass OBL Dendrolycopodium dendroideum Prickley Equisetum arvense Field Horsetail FAC Glyceria leptostachya Slender-Spike Manna Grass OBL Tree-Club-Moss FACU Equisetum fluviatile Water Horsetail OBL Glyceria pulchella Mackenzie Valley Manna Grass Deschampsia brevifolia Short-Leaf Hair Grass OBL Equisetum hyemale Tall Scouring-Rush FACW OBL Deschampsia caespitosa Tufted Hair Grass FAC Equisetum palustre Marsh Horsetail FACW Glyceria striata Fowl Manna Grass OBL Deschampsia danthonioides Annual Hair Grass FAC Equisetum pratense Meadow Horsetail FACW Gnaphalium uliginosum Marsh Cudweed UPL Deschampsia elongata Slender Hair Grass FAC Equisetum scirpoides Dwarf Scouring-Rush FACU Goodyera oblongifolia Green-Leaf Rattlesnake-Plantain Deschampsia flexuosa Wavy Hair Grass UPL Equisetum sylvaticum Woodland Horsetail FAC UPL Descurainia incana Mountain Tansy-Mustard UPL Equisetum variegatum Variegated Scouring-Rush FACW Goodyera repens Dwarf Rattlesnake-Plantain FAC Digitalis purpurea Purple Foxglove FACU Eremogone capillaris Slender Mountain Matted Sandwort Grindelia stricta Oregon Gumweed FACW Diphasiastrum alpinum Alpine Creeping-Cedar FACU UPL Gymnocarpium dryopteris Northern Oak Fern FACU Diphasiastrum complanatum Trailing Creeping-Cedar FACU Erigeron acris Bitter Fleabane FAC Hackelia micrantha Blue Stickseed FACU Dodecatheon frigidum Western Arctic Shootingstar FACW Erigeron canadensis Canadian Horseweed UPL Hammarbya paludosa OBL Dodecatheon jeffreyi Tall Mountain Shootingstar FACW Erigeron glabellus Streamside Fleabane FACU Harrimanella stelleriana Alaska Bell-Heather FACW Dodecatheon pulchellum Dark-Throat Shootingstar FACW Erigeron glacialis Glacier Fleabane FACW Hedysarum alpinum Alpine Sweet-Vetch FACU Draba albertina Slender Whitlow-Grass FAC Erigeron humilis Arctic Alpine Fleabane FACW Helianthus annuus Common Sunflower FAC Draba aurea Golden Whitlow-Grass UPL Erigeron lonchophyllus Short-Ray Fleabane FACW Heracleum maximum American Cow-Parsnip FACU Draba lonchocarpa Lance-Pod Whitlow-Grass UPL Erigeron nivalis Scotter's Fleabane FACU Hesperis matronalis Mother-of-the-Evening UPL Draba praealta Tall Whitlow-Grass UPL Erigeron peregrinus Subalpine Fleabane FACW Hieracium triste Woolly Hawkweed UPL Draba stenoloba Alaska Whitlow-Grass FACU Eriophorum angustifolium Tall Cotton-Grass OBL Hippuris lanceolata Panarctic Mare's-Tail OBL Dracocephalum parviflorum American Dragonhead FACU Eriophorum brachyantherum Closed-Sheath Cotton-Grass OBL Hippuris montana Mountain Mare's-Tail OBL Drosera X obovata OBL Eriophorum callitrix Arctic Cotton-Grass FACW Hippuris tetraphylla Four-Leaf Mare's-Tail OBL Drosera anglica English Sundew OBL Eriophorum chamissonis Chamisso's Cotton-Grass OBL Hippuris vulgaris Common Mare's-Tail OBL Drosera rotundifolia Round-Leaf Sundew OBL Eriophorum gracile Slender Cotton-Grass OBL Holcus lanatus Common Velvet Grass FAC Dryas chamissonis White Mountain-Avens FACU Eriophorum komarovii OBL Honckenya peploides Seaside Sandplant FACU Dryas drummondii Yellow Mountain-Avens FACU Eriophorum russeolum Russet-Bristle Cotton-Grass FACW Hordeum brachyantherum Meadow Barley FACW Dryas incisa Panarctic Mountain-Avens FACU Eriophorum scheuchzeri White Cotton-Grass OBL Hordeum jubatum Fox-Tail Barley FACU Dryas integrifolia White Mountain-Avens FACU Eriophorum vaginatum Tussock Cotton-Grass FACW Huperzia haleakalae Pacific Fir-Moss FACU Drymocallis convallaria Cream Woodbeauty FACU Eriophorum viridicarinatum Tassel Cotton-Grass OBL Hymenophyllum wrightii Wright's Filmy Fern FAC Dryopteris expansa Spreading Wood Fern FACU Erysimum cheiranthoides Worm-Seed Wallflower UPL Hypericum perforatum Common St. John's-Wort FACU Dulichium arundinaceum Three-Way Sedge OBL Eurybia merita Behring Wood-Aster FACU Hypochaeris radicata Hairy Cat's-Ear UPL Dupontia fisheri Fisher's Tundra Grass FACW Eurybia sibirica Siberian Wood-Aster FAC Impatiens noli-tangere Western Touch-Me-Not FACW Dysphania aristata Aristata Wormseed UPL Eutrema edwardsii Edwards' Mock Wallflower FAC Iris setosa Beach-Head Iris FAC Elaeagnus commutata American Silver-Berry FAC Fallopia convolvulus Black-Bindweed FACU Isoetes X pseudotruncata OBL Eleocharis acicularis Needle Spike-Rush OBL Festuca altaica Rough Fescue FAC Isoetes X truncata OBL Eleocharis kamtschatica Kamchatka Spike-Rush FACW Festuca rubra Red Fescue FAC Isoetes echinospora Spiny-Spore Quillwort OBL Eleocharis mamillata Soft-Stem Spike-Rush OBL Festuca subulata Bearded Fescue FACU Isoetes flettii Flett's Quillwort OBL Eleocharis nitida Quill Spike-Rush OBL Fragaria chiloensis Beach Strawberry FACU Isoetes maritima Maritime Quillwort OBL Eleocharis palustris Common Spike-Rush OBL Fragaria virginiana Virginia Strawberry UPL Isolepis cernua Low Lateral-Bulrush OBL Eleocharis quinqueflora Few-Flower Spike-Rush OBL Fritillaria camschatcensis Kamchatka Missionbells FAC Juncus albescens Northern White Rush FACW Elliottia pyroliflora Copperbush FAC Gaillardia pulchella Firewheel UPL Juncus alpinoarticulatus Northern Green Rush OBL Elodea canadensis Canadian Waterweed OBL Galium aparine Sticky-Willy FACU Juncus arcticus Arctic Rush OBL Elymus alaskanus Alaska Wild Rye FACU Galium boreale Northern Bedstraw FACU Juncus articulatus Joint-Leaf Rush OBL Elymus glaucus Blue Wild Rye FACU Galium trifidum Three-Petal Bedstraw FACW Juncus balticus Baltic Rush OBL Elymus lanceolatus Streamside Wild Rye UPL Galium triflorum Fragrant Bedstraw FAC Juncus biglumis Two-Flower Rush OBL Elymus macrourus Thick-Spike Wild Rye FAC Gaultheria shallon Salal FAC Juncus bufonius Toad Rush OBL Elymus repens Creeping Wild Rye FACU Gentiana algida Whitish Gentian FAC Juncus castaneus Chestnut Rush FACW Elymus sibiricus Siberian Wild Rye FAC Gentiana douglasiana Swamp Gentian FACW Juncus drummondii Drummond's Rush FACW Elymus trachycaulus Slender Wild Rye FACU Gentiana glauca Pale Gentian FAC Juncus effusus Lamp Rush OBL Elymus wiegandii Wiegand's Wild Rye FAC Gentiana prostrata Pygmy Gentian FACW Juncus ensifolius Dagger-Leaf Rush FACW Empetrum nigrum Black Crowberry FAC Gentianella amarella Autumn Dwarf-Gentian FACW Juncus falcatus Sickle-Leaf Rush FACW Epilobium X treleaseanum OBL Gentianella propinqua Four-Part Dwarf-Gentian FACU Juncus filiformis Thread Rush FACW Epilobium anagallidifolium Pimpernel Willowherb FAC Gentianopsis detonsa Windmill Fringed-Gentian FACW Juncus mertensianus Mertens' Rush OBL Epilobium arcticum Arctic Willowherb FACW Geocaulon lividum False Toadflax FACU Juncus nodosus Knotted Rush OBL Juncus saximontanus Rocky Mountain Rush FACW Lysimachia punctata Large Yellow-Loosestrife OBL Neottia borealis Northern Twayblade FACU Juncus stygius Moor Rush OBL Lysimachia thyrsiflora Tufted Yellow-Loosestrife OBL Neottia convallarioides Broad-Lip Twayblade FACU Juncus supiniformis Hairy-Leaf Rush OBL Lythrum salicaria Purple Loosestrife OBL Neottia cordata Heart-Leaf Twayblade FACU Juncus tenuis Lesser Poverty Rush FACW Madia glomerata Mountain Tarplant UPL Nepeta cataria Catnip FAC Juncus triglumis Three-Flower Rush FACW Maianthemum dilatatum Two-Leaf False Solomon's-Seal Nephrophyllidium crista-galli Deer-Cabbage OBL Juniperus communis Common Juniper UPL FAC Nuphar polysepala OBL Juniperus horizontalis Creeping Juniper UPL Maianthemum racemosum Feathery False Solomon's-Seal FAC Nymphaea odorata American White Water-Lily OBL Kalmia microphylla Alpine-Laurel OBL Maianthemum stellatum Starry False Solomon's-Seal FAC Nymphaea tetragona Pygmy Water-Lily OBL Kobresia myosuroides Pacific Bog Sedge FACU Malaxis monophyllos White Adder's-Mouth Orchid FACW Oenanthe sarmentosa Pacific Water-Dropwort OBL Kobresia sibirica Siberian Bog Sedge FACW Malus fusca Oregon Crabapple FACW Ophioglossum pusillum Northern Adder's-Tongue FACW Kobresia simpliciuscula Simple Bog Sedge FACW Marrubium vulgare White Horehound FAC Oplopanax horridus Devil's-Club FACU Koenigia islandica Island-Purslane OBL Matricaria discoidea Pineapple-Weed FACU Orobanche uniflora Naked Broom-Rape UPL Kumlienia cooleyae Cooley's False Buttercup FAC Matteuccia struthiopteris Ostrich Fern FACW Orthilia secunda Sidebells FACU Lactuca biennis Wild Blue Lettuce FACU Medicago lupulina Black Medick FAC Osmorhiza berteroi Mountain Sweet-Cicely FACU Lactuca tatarica Russian Blue Lettuce FAC Medicago polymorpha Toothed Medick FACU Osmorhiza purpurea Purple Sweet-Cicely FACU Lapsana communis Common Nipplewort UPL Medicago sativa Alfalfa UPL Oxalis corniculata Creeping Yellow Wood-Sorrel FACU Larix laricina American Larch FACW Melilotus officinalis Yellow Sweet-Clover FACU Oxygraphis glacialis Kamchatka-Buttercup FACW Lathyrus japonicus Sea Vetchling FAC Mentha X piperita FACW Oxyria digyna Mountain-Sorrel FACU Lathyrus palustris Marsh Vetchling OBL Mentha arvensis American Wild Mint FACW Oxytropis deflexa Pendant-Pod Locoweed FACU Lathyrus pratensis Meadow Vetchling UPL Mentha spicata Spearmint FACW Oxytropis splendens Whorled Locoweed UPL Lathyrus venosus Veiny Vetchling FACU Menyanthes trifoliata Buck-Bean OBL Ozomelis trifida Pacific Mitrewort FAC Lemna minor Common Duckweed OBL Menziesia ferruginea Fool's-Huckleberry FACU Packera heterophylla Dwarf Arctic Groundsel UPL Lemna trisulca Ivy-Leaf Duckweed OBL Mertensia eastwoodiae Eastwood's Bluebells FACU Packera indecora Rayless Mountain Groundsel FACU Lemna turionifera Turion Duckweed OBL Mertensia maritima Oysterleaf FAC Packera pauciflora Rayless Alpine Groundsel FAC Lepidium densiflorum Miner's Pepperwort FACU Mertensia paniculata Tall Bluebells FACU Packera paupercula Balsam Groundsel FAC Lepidium perfoliatum Clasping Pepperwort UPL Micranthes ferruginea Russet-Hair Pseudosaxifrage FAC Packera streptanthifolia Rocky Mountain Groundsel UPL Lepidium virginicum Poorman's-Pepperwort UPL Micranthes foliolosa Leafy-Stem Pseudosaxifrage FACW Packera subnuda Buek's Groundsel FAC Leptarrhena pyrolifolia Pearleaf FACW Micranthes hieraciifolia Stiff-Stem Pseudosaxifrage FAC Papaver macounii Macoun's Poppy FACU Leucanthemum vulgare Ox-Eye Daisy UPL Micranthes lyallii Red-Stem Pseudosaxifrage FACW Papaver walpolei Walpole's Poppy FACU Leymus mollis American Lyme Grass FAC Micranthes nelsoniana Heart-Leaf Pseudosaxifrage FAC Parnassia fimbriata Fringed Grass-of-Parnassus FACW Ligusticum scoticum Scot's Lovage FAC Micranthes nudicaulis Naked-Stem Pseudosaxifrage FACW Parnassia kotzebuei Kotzebue's Grass-of-Parnassus Lilaeopsis occidentalis Western Grasswort OBL Micranthes occidentalis Mountain Pseudosaxifrage UPL FACW Limosella aquatica Awl-Leaf Mudwort OBL Micranthes porsildiana Porsild's Pseudosaxifrage FAC Parnassia palustris Marsh Grass-of-Parnassus FACW Linnaea borealis American Twinflower FACU Micranthes tolmiei Tolmie's Alpine Pseudosaxifrage Parnassia parviflora Small-Flower Grass-of-Parnassus Lloydia serotina Common Alp-Lily FACU FACU OBL Lobelia dortmanna Water Lobelia OBL Microseris borealis Northern Silverpuffs OBL Pascopyrum smithii Western-Wheat Grass UPL Loiseleuria procumbens Alpine-Azalea FACU Microsteris gracilis Annual-Phlox UPL Pectiantia pentandra FACW Lolium perenne Perennial Rye Grass FACU Mimulus guttatus Seep Monkey-Flower OBL Pedicularis albolabiata Sudetic Lousewort FACW Lomatogonium rotatum Marsh-Felwort OBL Mimulus lewisii Great Purple Monkey-Flower FACW Pedicularis capitata Capitate Lousewort FACU Lonicera involucrata Four-Line Honeysuckle FACU Mimulus tilingii Subalpine Monkey-Flower OBL Pedicularis chamissonis Chamisso's Lousewort OBL Lonicera tatarica Twinsisters UPL Minuartia obtusiloba Alpine Stitchwort FACU Pedicularis groenlandica Bull Elephant's-Head FACW Luetkea pectinata Partridgefoot UPL Minuartia rubella Boreal Stitchwort FAC Pedicularis interior Purple-Rattle FACW Lupinus arcticus Arctic Lupine FACU Minuartia stricta Bog Stitchwort FAC Pedicularis labradorica Labrador Lousewort FACW Lupinus nootkatensis Nootka Lupine FACU Mitella nuda Bare-Stem Bishop's-Cap FAC Pedicularis lanata Woolly Lousewort FAC Lupinus polyphyllus Blue-Pod Lupine FAC Moehringia lateriflora Blunt-Leaf Grove-Sandwort FACU Pedicularis langsdorfii Langsdorf's Lousewort FACW Luzula arcuata Curved Wood-Rush FACU Moneses uniflora Single-Delight FACU Pedicularis lapponica Lapland Lousewort FAC Luzula comosa Pacific Wood-Rush FAC Monolepis nuttalliana Nuttall's Poverty-Weed FAC Pedicularis pacifica Pacific Lousewort FACW Luzula confusa Northern Wood-Rush FAC Monotropa uniflora One-Flower Indian-Pipe UPL Pedicularis parviflora Small-Flower Lousewort FACW Luzula groenlandica Greenland Wood-Rush FACW Montia bostockii Bostock's Candy-Flower FACW Pedicularis verticillata Whorled Lousewort FAC Luzula multiflora Common Wood-Rush FACU Montia chamissoi Chamisso's Candy-Flower OBL Penstemon procerus Pincushion Beardtongue UPL Luzula nivalis Arctic Wood-Rush FAC Montia fontana Fountain Candy-Flower OBL Penstemon serrulatus Cascade Beardtongue FACW Luzula parviflora Small-Flower Wood-Rush FAC Montia parvifolia Little-Leaf Candy-Flower FACW Persicaria amphibia Water Smartweed OBL Luzula rufescens Rufous Wood-Rush FACW Myosotis asiatica Asian Forget-Me-Not FAC Persicaria hydropiper Mild Water-Pepper FACW Luzula spicata Spiked Wood-Rush FACU Myosotis scorpioides True Forget-Me-Not FAC Persicaria hydropiperoides Swamp Smartweed OBL Luzula wahlenbergii Wahlenberg's Wood-Rush OBL Myosotis sylvatica Woodland Forget-Me-Not UPL Persicaria lapathifolia Dock-Leaf Smartweed FAC Lycopodiella inundata Northern Bog Club-Moss OBL Myrica gale Sweetgale OBL Persicaria maculosa Spotted Lady's-Thumb FAC Lycopodium clavatum Running Ground-Pine FACU Myriophyllum farwellii Farwell's Water-Milfoil OBL Persicaria pensylvanica Pinkweed FACW Lycopodium lagopus Single-Cone Ground-Pine FACU Myriophyllum sibiricum Siberian Water-Milfoil OBL Petasites frigidus Arctic Sweet-Colt's-Foot FACW Lycopus americanus Cut-Leaf Water-Horehound OBL Myriophyllum spicatum Eurasian Water-Milfoil OBL Phalaris arundinacea Reed Canary Grass OBL Lycopus asper Rough Water-Horehound OBL Myriophyllum verticillatum Whorled Water-Milfoil OBL Phalaris canariensis Common Canary Grass UPL Lycopus uniflorus Northern Water-Horehound OBL Najas flexilis Wavy Waternymph OBL Phegopteris connectilis Narrow Beech Fern FACU Lysichiton americanus Yellow-Skunk-Cabbage OBL Nasturtium microphyllum One-Row Watercress OBL Phippsia algida Ice Grass OBL Lysimachia ciliata Fringed Yellow-Loosestrife FACW Nasturtium officinale Watercress OBL Phleum alpinum Mountain Timothy FACU Lysimachia maritima Sea-Milkwort OBL Neottia banksiana Northwestern Twayblade FACU Phleum pratense Common Timothy FACU Phyllodoce aleutica Aleutian Mountain-Heath FACU Potamogeton foliosus Leafy Pondweed OBL Ranunculus sabinei Sardinian Buttercup FACW Phyllodoce empetriformis Pink Mountain-Heath FACU Potamogeton friesii Flat-Stalk Pondweed OBL Ranunculus sceleratus Cursed Buttercup OBL Phyllodoce glanduliflora Yellow Mountain-Heath UPL Potamogeton gramineus Grassy Pondweed OBL Ranunculus subrigidus Short-Beak Water-Crowfoot OBL Phyllospadix scouleri Scouler's Surf-Grass OBL Potamogeton natans Broad-Leaf Pondweed OBL Ranunculus sulphureus Sulphur Buttercup FACW Physocarpus capitatus Pacific Ninebark FAC Potamogeton obtusifolius Blunt-Leaf Pondweed OBL Ranunculus trichophyllus Thread-Leaf Water-Crowfoot OBL Picea X lutzii FACU Potamogeton praelongus White-Stem Pondweed OBL Ranunculus uncinatus Woodland Buttercup FAC Picea glauca White Spruce FACU Potamogeton pusillus Small Pondweed OBL Reynoutria X bohemica FACU Picea mariana Black Spruce FACW Potamogeton richardsonii Red-Head Pondweed OBL Reynoutria japonica Japanese-Knotweed UPL Picea sitchensis Sitka Spruce FACU Potamogeton robbinsii Fern Pondweed OBL Reynoutria sachalinensis Giant-Knotweed UPL Pinguicula macroceras California Butterwort OBL Potamogeton subsibiricus Yenisei River Pondweed OBL Rhinanthus minor Little Yellow-Rattle FACU Pinguicula villosa Hairy Butterwort OBL Potamogeton zosteriformis Flat-Stem Pondweed OBL Rhodiola integrifolia Entire-Leaf Rosewort FAC Pinguicula vulgaris Common Butterwort OBL Potentilla X nana FAC Rhododendron groenlandicum Rusty Labrador-Tea FAC Pinus contorta Lodgepole Pine FAC Potentilla anserina Silverweed FACW Rhododendron lapponicum Lapland Rhododendron FAC Piperia dilatata Scentbottle FACW Potentilla drummondii Drummond's Cinquefoil UPL Rhododendron tomentosum Marsh Labrador-Tea FACW Piperia unalascensis Alaska Rein Orchid FAC Potentilla glaucophylla Mountain-Meadow Cinquefoil FACW Rhynchospora alba White Beak Sedge OBL Plagiobothrys figuratus Fragrant Popcorn-Flower FACW Potentilla gracilis Graceful Cinquefoil FAC Ribes bracteosum California Black Currant FAC Plagiobothrys hispidulus Harsh Popcorn-Flower FACW Potentilla norvegica Norwegian Cinquefoil FAC Ribes glandulosum Skunk Currant FAC Plagiobothrys orientalis Oriental Popcorn-Flower FACW Potentilla pensylvanica Pennsylvania Cinquefoil FACU Ribes hudsonianum Northern Black Currant FAC Plantago eriopoda Red-Woolly Plantain FACU Potentilla rubricaulis Rocky Mountain Cinquefoil FACU Ribes lacustre Bristly Black Gooseberry FAC Plantago lanceolata English Plantain FACU Primula cuneifolia Pixie-Eyes OBL Ribes laxiflorum Trailing Black Currant FACU Plantago macrocarpa Alaska Plantain FACW Primula egaliksensis Greenland Primrose FACW Ribes oxyacanthoides Canadian Gooseberry FACU Plantago major Great Plantain FAC Primula incana Silvery Primrose FACW Ribes triste Swamp Red Currant FAC Plantago maritima Goosetongue FACW Primula mistassinica Lake Mistassini Primrose FACW Romanzoffia sitchensis Sitka Mistmaiden FACW Platanthera aquilonis Bog Orchid FACW Primula nutans Sleepy Primrose FACW Rorippa barbareifolia Hoary Yellowcress FAC Platanthera chorisiana Choriso Bog Orchid OBL Primula tschuktschorum Chukchi Primrose FACW Rorippa curvisiliqua Curve-Pod Yellowcress FACW Platanthera huronensis Lake Huron Green Orchid OBL Prunella vulgaris Common Selfheal FAC Rorippa palustris Bog Yellowcress FAC Platanthera obtusata Blunt-Leaf Orchid FACW Prunus padus European Bird Cherry FACU Rorippa sylvestris Creeping Yellowcress FAC Platanthera orbiculata Lesser Round-Leaf Orchid FAC Prunus virginiana Choke Cherry FAC Rosa acicularis Prickly Rose FACU Platanthera rotundifolia Round-Leaf Orchid FACW Psathyrostachys juncea Russian-Wild Rye UPL Rosa gymnocarpa Bald-Hip Rose UPL Platanthera stricta Slender Bog Orchid FACW Pteridium aquilinum Northern Bracken Fern FACU Rosa nutkana Nootka Rose FACU Platanthera tipuloides Aleutian Bog Orchid FACW Puccinellia andersonii Anderson's Alkali Grass OBL Rosa rugosa Rugosa Rose UPL Poa abbreviata Northern Blue Grass FACU Puccinellia angustata Northern Alkali Grass FACW Rosa woodsii Woods' Rose UPL Poa alpina Alpine Blue Grass FACU Puccinellia arctica Arctic Alkali Grass FAC Rubus arcticus Northern Blackberry FAC Poa annua Annual Blue Grass FAC Puccinellia hauptiana Amphi-Beringian Alkali Grass FACW Rubus chamaemorus Cloudberry FACW Poa arctica Arctic Blue Grass FAC Puccinellia hultenii Port Hobron Alkali Grass OBL Rubus idaeus Common Red Raspberry FACU Poa compressa Flat-Stem Blue Grass FAC Puccinellia kamtschatica Alaska Alkali Grass OBL Rubus leucodermis White-Stem Raspberry FAC Poa eminens Large-Flower Blue Grass FAC Puccinellia nutkaensis Nootka Alkali Grass OBL Rubus parviflorus Western Thimble-Berry FACU Poa interior Inland Blue Grass FAC Puccinellia nuttalliana Nuttall's Alkali Grass FACW Rubus pedatus Strawberry-Leaf Raspberry FAC Poa leptocoma Marsh Blue Grass FAC Puccinellia phryganodes Creeping Alkali Grass OBL Rubus pubescens Dwarf Red Raspberry FACW Poa macrantha Sand-Dune Blue Grass UPL Puccinellia pumila Dwarf Alkali Grass FACW Rubus spectabilis Salmon Raspberry FACU Poa macrocalyx Large-Glume Blue Grass FAC Puccinellia tenella Tundra Alkali Grass OBL Rumex acetosa Garden Sorrel FAC Poa nemoralis Forest Blue Grass FAC Puccinellia vaginata Arctic Tussock Alkali Grass FACW Rumex acetosella Common Sheep Sorrel FAC Poa palustris Fowl Blue Grass FAC Puccinellia wrightii Wright's Alkali Grass OBL Rumex arcticus Arctic Dock FAC Poa pratensis Kentucky Blue Grass FACU Pyrola asarifolia Pink Wintergreen FACU Rumex crispus Curly Dock FAC Poa pseudoabbreviata Polar Blue Grass FAC Pyrola chlorantha Green-Flower Wintergreen FACU Rumex fueginus Tierra del Fuego Dock FACW Poa secunda Curly Blue Grass FACU Pyrola grandiflora Arctic Wintergreen FAC Rumex lapponicus Lapland Sorrel UPL Poa stenantha Narrow-Flower Blue Grass FAC Pyrola minor Snowline Wintergreen FAC Rumex longifolius Door-Yard Dock FAC Poa trivialis Rough-Stalk Blue Grass FAC Ranunculus abortivus Kidney-Leaf Buttercup FAC Rumex obtusifolius Bitter Dock FACW Podagrostis aequivalvis Arctic False Bent OBL Ranunculus acris Tall Buttercup FACW Rumex occidentalis Western Dock OBL Podagrostis humilis Alpine False Bent FACW Ranunculus aquatilis White Water-Crowfoot OBL Rumex pseudoxyria FAC Polemonium acutiflorum Tall Jacob's-Ladder FAC Ranunculus arcticus Northern Buttercup FAC Rumex transitorius Pacific Willow Dock FACW Polygonum achoreum Leathery Knotweed FAC Ranunculus confervoides Panarctic Water-Crowfoot OBL Ruppia cirrhosa Spiral Ditch-Grass OBL Polygonum aviculare Yard Knotweed FAC Ranunculus eschscholtzii Spruce-Fir Buttercup FACW Ruppia maritima Beaked Ditch-Grass OBL Polygonum fowleri Fowler's Knotweed FAC Ranunculus flammula Greater Creeping Spearwort FACW Sagina decumbens Trailing Pearlwort FACU Polygonum minimum Zigzag Knotweed FACU Ranunculus gmelinii Lesser Yellow Water Buttercup FACW Sagina maxima Sticky-Stem Pearlwort FACW Polygonum ramosissimum Yellow-Flower Knotweed FACU Ranunculus grayi Arctic Buttercup FACW Sagina nivalis Snow Pearlwort FAC Polypogon monspeliensis Annual Rabbit's-Foot Grass FACW Ranunculus hyperboreus Far-Northern Buttercup OBL Sagina procumbens Bird-Eye Pearlwort FAC Polystichum lonchitis Northern Holly Fern UPL Ranunculus macounii Macoun's Buttercup FACW Sagina saginoides Alpine Pearlwort FAC Polystichum munitum Pineland Sword Fern FACU Ranunculus nivalis Snow Buttercup FACW Sagittaria cuneata Arum-Leaf Arrowhead OBL Populus balsamifera Balsam Poplar FACU Ranunculus occidentalis Western Buttercup FACW Salicornia depressa Woody Saltwort OBL Populus tremuloides Quaking Aspen FACU Ranunculus orthorhynchus Straight-Beak Buttercup FACW Salix X sepulcralis FAC Potamogeton alpinus Reddish Pondweed OBL Ranunculus pensylvanicus Pennsylvania Buttercup FACW Salix alaxensis Felt-Leaf Willow FAC Potamogeton berchtoldii Little Aguja Pondweed OBL Ranunculus pygmaeus Dwarf Buttercup FACW Salix arbusculoides Little-Tree Willow FACW Potamogeton epihydrus Ribbon-Leaf Pondweed OBL Ranunculus repens Creeping Buttercup FAC Salix arctica Arctic Willow FACU Salix arctophila Northern Willow OBL Scutellaria galericulata Hooded Skullcap OBL Symphyotrichum falcatum Rough White Prairie American-Aster Salix athabascensis Athabasca Willow OBL Scutellaria lateriflora Mad Dog Skullcap FACW FACU Salix barclayi Barclay's Willow FAC Selaginella selaginoides Northern Spike-Moss FACU Symphyotrichum foliaceum Alpine Leafy-Head American-Aster Salix barrattiana Barratt's Willow FACW Senecio eremophilus Desert Ragwort FACU UPL Salix bebbiana Gray Willow FAC Senecio lugens Small Black-Tip Ragwort FAC Symphyotrichum subspicatum Leafy-Bract American-Aster FAC Salix boothii Booth's Willow OBL Senecio pseudoarnica Seaside Ragwort FACU Symphyotrichum yukonense Yukon American-Aster FACW Salix candida Sage Willow OBL Senecio triangularis Arrow-Leaf Ragwort FACW Symphytum asperum Prickly Comfrey UPL Salix chamissonis Chamisso's Willow FACW Senecio vulgaris Old-Man-in-the-Spring FACU Tanacetum vulgare Common Tansy UPL Salix commutata Under-Green Willow FAC Shepherdia canadensis Russet Buffalo-Berry FACU Taraxacum ceratophorum Horned Dandelion UPL Salix fuscescens Alaska Bog Willow FACW Sibbaldia procumbens Creeping-Glow-Wort FACU Taraxacum officinale Common Dandelion FACU Salix glauca Gray-Leaf Willow FAC Sidalcea hendersonii Henderson's Checkerbloom FACU Taxus brevifolia Pacific Yew FACU Salix hastata Halberd Willow FAC Silene acaulis Cushion-Pink UPL Tellima grandiflora Fragrant Fringecup FACU Salix hookeriana Coastal Willow FACW Silene menziesii White Catchfly FAC Tephroseris atropurpurea Dark-Purple Squaw-Weed FAC Salix interior Sandbar Willow FACW Silene uralensis Apetalous Catchfly FAC Tephroseris frigida Arctic Squaw-Weed FAC Salix lasiandra Pacific Willow FACW Sisymbrium altissimum Tall Hedge-Mustard FACU Tephroseris palustris Clustered Marsh Squaw-Weed FACW Salix myrtillifolia Blueberry Willow FACW Sisyrinchium littorale Alaska Blue-Eyed-Grass FACW Thalictrum alpinum Alpine Meadow-Rue FAC Salix ovalifolia Arctic Seashore Willow FAC Sisyrinchium montanum Strict Blue-Eyed-Grass FACW Thalictrum occidentale Western Meadow-Rue FACU Salix phlebophylla Skeleton-Leaf Willow FACU Sium suave Hemlock Water-Parsnip OBL Thalictrum sparsiflorum Few-Flower Meadow-Rue FACU Salix planifolia Tea-Leaf Willow FACW Solanum nigrum European Black Nightshade FACU Thlaspi arvense Field Pennycress UPL Salix polaris Polar Willow FACW Solidago lepida Western Canada Goldenrod FACU Thuja plicata Western Arborvitae FAC Salix prolixa Mackenzie's Willow FACW Solidago multiradiata Rocky Mountain Goldenrod FACU Tiarella trifoliata Three-Leaf Foamflower FAC Salix pseudomonticola False Mountain Willow FAC Solidago simplex Mt. Albert Goldenrod UPL Tofieldia coccinea Purple Featherling FAC Salix pulchra Diamond-Leaf Willow FACW Sonchus arvensis Field Sow-Thistle FACU Tofieldia pusilla Scotch Featherling FAC Salix reticulata Net-Vein Willow FAC Sonchus asper Spiny-Leaf Sow-Thistle FACU Tolmiea menziesii Piggyback-Plant FACW Salix richardsonii Richardson's Willow FACW Sonchus oleraceus Common Sow-Thistle UPL Torreyochloa pallida Pale False Manna Grass FACW Salix rotundifolia Round-Leaf Willow FAC Sorbus scopulina Cascade Mountain-Ash FACU Transberingia bursifolia False Fissurewort FACU Salix scouleriana Scouler's Willow FAC Sorbus sitchensis Sitka Mountain-Ash FACU Triantha glutinosa Sticky False Asphodel FACW Salix setchelliana Setchell's Willow FAC Sparganium angustifolium Narrow-Leaf Burr-Reed OBL Triantha occidentalis Western False Asphodel FACW Salix sitchensis Sitka Willow FAC Sparganium emersum European Burr-Reed OBL Trichophorum alpinum Alpine Leafless-Bulrush OBL Salix sphenophylla Wedge-Leaf Willow FAC Sparganium hyperboreum Northern Burr-Reed OBL Trichophorum caespitosum Tufted Leafless-Bulrush OBL Sambucus racemosa Red Elder FACU Sparganium natans Arctic Burr-Reed OBL Trichophorum pumilum Rolland's Leafless-Bulrush OBL Sanguisorba canadensis Canadian Burnet FACW Spergularia canadensis Canadian Sandspurry FACW Trientalis europaea Arctic Starflower FACU Sanguisorba menziesii Small-Head Burnet FAC Spergularia rubra Ruby Sandspurry FAC Trifolium cyathiferum Bowl Clover UPL Sanguisorba officinalis Great Burnet FACW Sphenopholis intermedia Slender Wedgescale FAC Trifolium dubium Suckling Clover UPL Saussurea americana American Saw-Wort FACW Spinulum annotinum Interrupted Club-Moss FACU Trifolium hybridum Alsike Clover FAC Saussurea angustifolia Narrow-Leaf Saw-Wort FAC Spiraea douglasii Douglas' Meadowsweet FACW Trifolium microcephalum Small-Head Clover UPL Saussurea nuda Dwarf Saw-Wort FAC Spiraea stevenii Steven's Meadowsweet FACU Trifolium pratense Red Clover FACU Saxifraga adscendens Wedge-Leaf Saxifrage FACU Spiranthes romanzoffiana Hooded Ladies'-Tresses OBL Trifolium repens White Clover FACU Saxifraga aizoides Yellow Mountain Saxifrage FACW Stachys chamissonis Coastal Hedge-Nettle FACW Trifolium variegatum White-Tip Clover FAC Saxifraga caespitosa Tufted Alpine Saxifrage FAC Stachys mexicana Mexican Hedge-Nettle FACU Trifolium wormskioldii Cow Clover FAC Saxifraga cernua Nodding Saxifrage FACW Stachys palustris Woundwort FACW Triglochin maritima Seaside Arrow-Grass OBL Saxifraga cherlerioides FACU Stachys pilosa Hairy Hedge-Nettle FACW Triglochin palustris Marsh Arrow-Grass OBL Saxifraga funstonii Funston's Saxifrage FACU Stellaria borealis Boreal Starwort FACW Tripleurospermum maritimum False Mayweed FAC Saxifraga hirculus Yellow Marsh Saxifrage OBL Stellaria calycantha Northern Bog Starwort FACW Trisetum cernuum Tall False Oat FACU Saxifraga hyperborea Pygmy Saxifrage FACU Stellaria crassifolia Fleshy Starwort FACW Trisetum sibiricum Siberian False Oat FAC Saxifraga mertensiana Woodland Saxifrage FACW Stellaria crispa Ruffled Starwort FAC Trisetum spicatum Narrow False Oat FAC Saxifraga oppositifolia Purple Mountain Saxifrage FAC Stellaria humifusa Saltmarsh Starwort OBL Tsuga heterophylla Western Hemlock FAC Saxifraga radiata Siberian Saxifrage FACW Stellaria longifolia Long-Leaf Starwort FAC Tsuga mertensiana Mountain Hemlock FAC Saxifraga rivularis Alpine-Brook Saxifrage OBL Stellaria longipes Long-Stalk Starwort FAC Typha latifolia Broad-Leaf Cat-Tail OBL Saxifraga tricuspidata Prickly Saxifrage FACU Stellaria media Common Chickweed UPL Urtica dioica Stinging Nettle FACU Sceptridium multifidum Leathery Grape Fern FAC Stellaria umbellata Umbrella Starwort FACW Utricularia intermedia Flat-Leaf Bladderwort OBL Schedonorus arundinaceus Tall False Rye Grass UPL Streptopus amplexifolius Clasping Twistedstalk FACU Utricularia macrorhiza Greater Bladderwort OBL Schedonorus pratensis Meadow False Rye Grass FACU Streptopus lanceolatus Lance-Leaf Twistedstalk FACU Utricularia minor Lesser Bladderwort OBL Scheuchzeria palustris Rannoch-Rush OBL Streptopus streptopoides Small Twistedstalk FAC Utricularia ochroleuca Dwarf Bladderwort OBL Schizachne purpurascens False Melic Grass FAC Stuckenia filiformis Slender-Leaf False Pondweed OBL Utricularia stygia Arctic Bladderwort OBL Schoenoplectus acutus Hard-Stem Club-Rush OBL Stuckenia pectinata Sago False Pondweed OBL Vaccaria hispanica Cowcockle FAC Schoenoplectus americanus Chairmaker's Club-Rush OBL Stuckenia vaginata Sheathed False Pondweed OBL Vaccinium alaskaense Alaska Blueberry FAC Schoenoplectus maritimus Saltmarsh Club-Rush OBL Suaeda calceoliformis Paiuteweed FACW Vaccinium caespitosum Dwarf Blueberry FACW Schoenoplectus subterminalis Swaying Club-Rush OBL Suaeda maritima Herbaceous Seepweed FAC Vaccinium macrocarpon Large Cranberry OBL Schoenoplectus tabernaemontani Subularia aquatica American Water-Awlwort OBL Vaccinium membranaceum Square-Twig Blueberry FACU Soft-Stem Club-Rush OBL Swertia perennis Felwort FACW Vaccinium ovalifolium Oval-Leaf Blueberry FAC Scirpus microcarpus Red-Tinge Bulrush OBL Symphoricarpos albus Common Snowberry FACU Vaccinium oxycoccos Small Cranberry OBL Scolochloa festucacea Common River Grass OBL Symphyotrichum boreale Boreal American-Aster OBL Vaccinium parvifolium Red Blueberry FACU Scorzoneroides autumnalis August-Flower UPL Symphyotrichum ciliatum Alkali American-Aster FACU Vaccinium uliginosum Alpine Blueberry FAC Vaccinium vitis-idaea Northern Mountain-Cranberry FAC Alaska Alkali Grass Puccinellia kamtschatica OBL American Twinflower Linnaea borealis FACU Vahlodea atropurpurea Arctic-Hair Grass FACW Alaska Bellflower Campanula lasiocarpa UPL American Water-Awlwort Subularia aquatica OBL Valeriana capitata Clustered Valerian FAC Alaska Bell-Heather Harrimanella stelleriana FACW American White Water-Lily Nymphaea odorata OBL Valeriana scouleri Scouler's Valerian FACW Alaska Blueberry Vaccinium alaskaense FAC American Wild Mint Mentha arvensis FACW Valeriana sitchensis Sitka Valerian FAC Alaska Blue-Eyed-Grass Sisyrinchium littorale FACW American Yellow-Rocket Barbarea orthoceras FACW Veratrum viride American False Hellebore FAC Alaska Bog Willow Salix fuscescens FACW American-Brooklime Veronica americana OBL Verbascum thapsus Great Mullein FACU Alaska Fleeceflower Aconogonon alaskanum FAC Amphi-Beringian Alkali Grass Puccinellia hauptiana FACW Veronica americana American-Brooklime OBL Alaska Indian-Paintbrush Castilleja unalaschcensis FAC Anderson's Alkali Grass Puccinellia andersonii OBL Veronica anagallis-aquatica Blue Water Speedwell OBL Alaska Long-Awn Sedge Carex macrochaeta FACW Annual Blue Grass Poa annua FAC Veronica arvensis Corn Speedwell FACU Alaska Orache Atriplex alaskensis FACW Annual Hair Grass Deschampsia danthonioides FAC Veronica chamaedrys Germander Speedwell UPL Alaska Paper Birch Betula neoalaskana FACU Annual Rabbit's-Foot Grass Polypogon monspeliensis FACW Veronica officinalis Common Gypsyweed FAC Alaska Plantain Plantago macrocarpa FACW Annual Ragweed Ambrosia artemisiifolia FACU Veronica peregrina Neckweed FACU Alaska Rein Orchid Piperia unalascensis FAC Annual-Phlox Microsteris gracilis UPL Veronica scutellata Grass-Leaf Speedwell OBL Alaska Sedge Carex enanderi OBL Apetalous Catchfly Silene uralensis FAC Veronica serpyllifolia Thyme-Leaf Speedwell OBL Alaska Springbeauty Claytonia sarmentosa FAC Arctic Alkali Grass Puccinellia arctica FAC Veronica wormskjoldii American Alpine Speedwell FAC Alaska Whitlow-Grass Draba stenoloba FACU Arctic Alpine Fleabane Erigeron humilis FACW Viburnum edule Squashberry FACU Alaska Wild Rye Elymus alaskanus FACU Arctic Bellflower Campanula uniflora UPL Vicia americana American Purple Vetch FACU Alaska-Cedar Callitropsis nootkatensis FAC Arctic Bladderwort Utricularia stygia OBL Vicia nigricans Black Vetch UPL Aleutian Avens Geum pentapetalum FACW Arctic Blue Grass Poa arctica FAC Vicia sativa Garden Vetch UPL Aleutian Bog Orchid Platanthera tipuloides FACW Arctic Burr-Reed Sparganium natans OBL Viola adunca Hook-Spur Violet FAC Aleutian Maidenhair Adiantum aleuticum FAC Arctic Buttercup Ranunculus grayi FACW Viola biflora Arctic Yellow Violet FACW Aleutian Mountain-Heath Phyllodoce aleutica FACU Arctic Cotton-Grass Eriophorum callitrix FACW Viola canadensis Canadian White Violet FAC Aleutian Violet Viola langsdorfii FACW Arctic Daisy Arctanthemum arcticum FACW Viola glabella Pioneer Violet FACW Aleutian-Cress Aphragmus eschscholtzianus FACW Arctic Dock Rumex arcticus FAC Viola langsdorfii Aleutian Violet FACW Alfalfa Medicago sativa UPL Arctic False Bent Podagrostis aequivalvis OBL Viola palustris Alpine-Marsh Violet FACW Alkali American-Aster Symphyotrichum ciliatum FACU Arctic Hare-Foot Sedge Carex lachenalii OBL Viola renifolia Kidney-Leaf White Violet FAC Alkali Buttercup Cyrtorhyncha cymbalaria OBL Arctic Lupine Lupinus arcticus FACU Vulpia myuros Rat-Tail Six-Weeks Grass UPL Alpine Bittercress Cardamine bellidifolia FAC Arctic Marsh Sedge Carex holostoma OBL Wilhelmsia physodes Arctic-Flower FAC Alpine Blue Grass Poa alpina FACU Arctic Rush Juncus arcticus OBL X Elyhordeum macounii UPL Alpine Blueberry Vaccinium uliginosum FAC Arctic Seashore Willow Salix ovalifolia FAC Xerophyllum tenax Western Turkeybeard FACU Alpine Creeping-Cedar Diphasiastrum alpinum FACU Arctic Springbeauty Claytonia arctica FAC Zannichellia palustris Horned-Pondweed OBL Alpine False Bent Podagrostis humilis FACW Arctic Squaw-Weed Tephroseris frigida FAC Zostera marina Seawrack OBL Alpine Leafless-Bulrush Trichophorum alpinum OBL Arctic Starflower Trientalis europaea FACU Alpine Leafy-Head American-Aster Arctic Sweet Vernal Grass Anthoxanthum arcticum FACW Symphyotrichum foliaceum UPL Arctic Sweet-Colt's-Foot Petasites frigidus FACW Alpine Meadow-Foxtail Alopecurus magellanicus FACW Arctic Tussock Alkali Grass Puccinellia vaginata FACW Alpine Meadow-Rue Thalictrum alpinum FAC Arctic Willow Salix arctica FACU Alpine Milk-Vetch Astragalus alpinus FAC Arctic Willowherb Epilobium arcticum FACW Alpine Northern-Rockcress Braya humilis FAC Arctic Wintergreen Pyrola grandiflora FAC Alpine Pearlwort Sagina saginoides FAC Arctic Wood-Rush Luzula nivalis FAC Alpine Pussytoes Antennaria alpina FACU Arctic Yellow Violet Viola biflora FACW Alpine Stitchwort Minuartia obtusiloba FACU Arctic-Flower Wilhelmsia physodes FAC Alpine Sweet-Vetch Hedysarum alpinum FACU Arctic-Hair Grass Vahlodea atropurpurea FACW Alpine-Azalea Loiseleuria procumbens FACU Aristata Wormseed Dysphania aristata UPL Alpine-Brook Saxifrage Saxifraga rivularis OBL Arrow-Leaf Ragwort Senecio triangularis FACW Alpine-Laurel Kalmia microphylla OBL Arum-Leaf Arrowhead Sagittaria cuneata OBL Alpine-Marsh Violet Viola palustris FACW Asian Forget-Me-Not Myosotis asiatica FAC Alpine-Tundra Sedge Carex microchaeta FAC Athabasca Willow Salix athabascensis OBL Alsike Clover Trifolium hybridum FAC August-Flower Scorzoneroides autumnalis UPL American Alpine Lady Fern Athyrium americanum FAC Autumn Dwarf-Gentian Gentianella amarella FACW American Alpine Speedwell Veronica wormskjoldii FAC Autumn Water-Starwort Callitriche hermaphroditica OBL American Cow-Parsnip Heracleum maximum FACU Awl-Leaf Mudwort Limosella aquatica OBL American Dragonhead Dracocephalum parviflorum FACU Bald-Hip Rose Rosa gymnocarpa UPL American False Hellebore Veratrum viride FAC Balsam Groundsel Packera paupercula FAC American Larch Larix laricina FACW Balsam Poplar Populus balsamifera FACU American Lyme Grass Leymus mollis FAC Baltic Rush Juncus balticus OBL American Manna Grass Glyceria grandis OBL Barclay's Willow Salix barclayi FAC American Milk-Vetch Astragalus americanus FAC Bare-Stem Bishop's-Cap Mitella nuda FAC American Purple Vetch Vicia americana FACU Barratt's Willow Salix barrattiana FACW American Saw-Wort Saussurea americana FACW Bastard-Toadflax Comandra umbellata FACU American Searocket Cakile edentula FACU Beach Strawberry Fragaria chiloensis FACU American Silver-Berry Elaeagnus commutata FAC Beach-Head Iris Iris setosa FAC American Silvertop Glehnia littoralis UPL Beaked Ditch-Grass Ruppia maritima OBL American Slough Grass Beckmannia syzigachne OBL Bear Sedge Carex ursina FACW Bearded Fescue Festuca subulata FACU Bull Elephant's-Head Pedicularis groenlandica FACW Common Selfheal Prunella vulgaris FAC Bebb's Sedge Carex bebbii OBL Bull Thistle Cirsium vulgare UPL Common Sheep Sorrel Rumex acetosella FAC Behring Wood-Aster Eurybia merita FACU California Black Currant Ribes bracteosum FAC Common Silver-Hair Grass Aira caryophyllea FAC Bering Sea Mouse-Ear Chickweed California Butterwort Pinguicula macroceras OBL Common Snowberry Symphoricarpos albus FACU Cerastium beeringianum FAC Caltha-Leaf Avens Geum calthifolium FACW Common Sow-Thistle Sonchus oleraceus UPL Biennial Wormwood Artemisia biennis FAC Canada-Aster Canadanthus modestus FAC Common Spike-Rush Eleocharis palustris OBL Big Western Bittercress Cardamine occidentalis FACW Canadian Bunchberry Cornus canadensis FACU Common St. John's-Wort Hypericum perforatum FACU Bigelow's Sedge Carex bigelowii FAC Canadian Burnet Sanguisorba canadensis FACW Common Sunflower Helianthus annuus FAC Big-Head Sedge Carex macrocephala FAC Canadian Gooseberry Ribes oxyacanthoides FACU Common Tansy Tanacetum vulgare UPL Bird-Eye Pearlwort Sagina procumbens FAC Canadian Horseweed Erigeron canadensis UPL Common Timothy Phleum pratense FACU Bitter Dock Rumex obtusifolius FACW Canadian Rockcress Boechera stricta FACU Common Velvet Grass Holcus lanatus FAC Bitter Fleabane Erigeron acris FAC Canadian Sandspurry Spergularia canadensis FACW Common Wood-Rush Luzula multiflora FACU Black Alpine Sedge Carex nigricans FACW Canadian Single-Spike Sedge Carex scirpoidea FACU Common Wormwood Artemisia vulgaris UPL Black Bent Agrostis gigantea FAC Canadian Thistle Cirsium arvense FAC Common Yarrow Achillea millefolium FACU Black Crowberry Empetrum nigrum FAC Canadian Waterweed Elodea canadensis OBL Cooley's False Buttercup Kumlienia cooleyae FAC Black Hawthorn Crataegus douglasii FAC Canadian White Violet Viola canadensis FAC Coon's-Tail Ceratophyllum demersum OBL Black Medick Medicago lupulina FAC Capitate Lousewort Pedicularis capitata FACU Copperbush Elliottia pyroliflora FAC Black Spruce Picea mariana FACW Capitate Sedge Carex capitata FAC Cordilleran Leopardbane Arnica mollis FACW Black Torpedoberry Arctous alpinus FACU Cascade Beardtongue Penstemon serrulatus FACW Corn Speedwell Veronica arvensis FACU Black Vetch Vicia nigricans UPL Cascade Mountain-Ash Sorbus scopulina FACU Cow Clover Trifolium wormskioldii FAC Black-and-White-Scale Sedge Carex albonigra FACU Catnip Nepeta cataria FAC Cowcockle Vaccaria hispanica FAC Black-Bindweed Fallopia convolvulus FACU Chairmaker's Club-Rush Schoenoplectus americanus OBL Crawford's Sedge Carex crawfordii FAC Blue Stickseed Hackelia micrantha FACU Chamisso's Candy-Flower Montia chamissoi OBL Cream Woodbeauty Drymocallis convallaria FACU Blue Water Speedwell Veronica anagallis-aquatica OBL Chamisso's Cotton-Grass Eriophorum chamissonis OBL Creeping Alkali Grass Puccinellia phryganodes OBL Blue Wild Rye Elymus glaucus FACU Chamisso's Lousewort Pedicularis chamissonis OBL Creeping Buttercup Ranunculus repens FAC Bluebell-of-Scotland Campanula rotundifolia UPL Chamisso's Willow Salix chamissonis FACW Creeping Juniper Juniperus horizontalis UPL Blueberry Willow Salix myrtillifolia FACW Chestnut Rush Juncus castaneus FACW Creeping Wild Rye Elymus repens FACU Bluejoint Calamagrostis canadensis FAC Chinese Mustard Brassica juncea UPL Creeping Yellow Wood-Sorrel Oxalis corniculata FACU Blue-Pod Lupine Lupinus polyphyllus FAC Choke Cherry Prunus virginiana FAC Creeping Yellowcress Rorippa sylvestris FAC Blunt-Leaf Grove-Sandwort Moehringia lateriflora FACU Choriso Bog Orchid Platanthera chorisiana OBL Creeping-Glow-Wort Sibbaldia procumbens FACU Blunt-Leaf Orchid Platanthera obtusata FACW Chufa Cyperus esculentus FACW Crimson Columbine Aquilegia formosa FACU Blunt-Leaf Pondweed Potamogeton obtusifolius OBL Chukchi Primrose Primula tschuktschorum FACW Crow Garlic Allium vineale UPL Bodin's Milk-Vetch Astragalus bodinii FAC Circumpolar Reed Grass Calamagrostis deschampsioides Curly Blue Grass Poa secunda FACU Bog Orchid Platanthera aquilonis FACW FACW Curly Dock Rumex crispus FAC Bog Stitchwort Minuartia stricta FAC Circumpolar Sedge Carex adelostoma OBL Curly Sedge Carex rupestris FACU Bog Willowherb Epilobium leptophyllum FACW Clasping Pepperwort Lepidium perfoliatum UPL Cursed Buttercup Ranunculus sceleratus OBL Bog Yellowcress Rorippa palustris FAC Clasping Twistedstalk Streptopus amplexifolius FACU Curved Wood-Rush Luzula arcuata FACU Bog-Rosemary Andromeda polifolia FACW Closed-Sheath Cotton-Grass Eriophorum brachyantherum OBL Curve-Pod Yellowcress Rorippa curvisiliqua FACW Boivin's Rockcress Boechera grahamii FACU Cloudberry Rubus chamaemorus FACW Cushion-Pink Silene acaulis UPL Booth's Willow Salix boothii OBL Clubbed Bent Agrostis clavata OBL Cut-Leaf Water-Horehound Lycopus americanus OBL Boreal American-Aster Symphyotrichum boreale OBL Clustered Field Sedge Carex praegracilis FACW Daffodil Leopardbane Arnica latifolia FAC Boreal Sagebrush Artemisia norvegica FACU Clustered Marsh Squaw-Weed Tephroseris palustris FACW Dagger-Leaf Rush Juncus ensifolius FACW Boreal Starwort Stellaria borealis FACW Clustered Valerian Valeriana capitata FAC Dahurian Willowherb Epilobium davuricum FACW Boreal Stitchwort Minuartia rubella FAC Coaltown Sagebrush Artemisia cana FACU Danish Scurvy-Grass Cochlearia groenlandica FACW Boreal-Bog Sedge Carex magellanica OBL Coastal Hedge-Nettle Stachys chamissonis FACW Dark-Purple Squaw-Weed Tephroseris atropurpurea FAC Bostock's Candy-Flower Montia bostockii FACW Coastal Willow Salix hookeriana FACW Dark-Throat Shootingstar Dodecatheon pulchellum FACW Bowl Clover Trifolium cyathiferum UPL Coastal-Sand Sedge Carex incurviformis FAC Deer Fern Blechnum spicant FAC Bride's-Feathers Aruncus dioicus UPL Colonial Bent Agrostis capillaris FACU Deer-Cabbage Nephrophyllidium crista-galli OBL Bristle-Leaf Sedge Carex eburnea FACU Common Alp-Lily Lloydia serotina FACU Desert Ragwort Senecio eremophilus FACU Bristly Black Gooseberry Ribes lacustre FAC Common Brassbuttons Cotula coronopifolia OBL Devil's-Club Oplopanax horridus FACU Bristly-Stalk Sedge Carex leptalea OBL Common Butterwort Pinguicula vulgaris OBL Devil's-Pitchfork Bidens frondosa FACW Brittle Bladder Fern Cystopteris fragilis FACU Common Canary Grass Phalaris canariensis UPL Dewey's Sedge Carex deweyana FACU Broad-Leaf Arctic-Bent Arctagrostis latifolia FACW Common Chickweed Stellaria media UPL Diamond-Leaf Willow Salix pulchra FACW Broad-Leaf Cat-Tail Typha latifolia OBL Common Dandelion Taraxacum officinale FACU Dock-Leaf Smartweed Persicaria lapathifolia FAC Broad-Leaf Fireweed Chamaenerion latifolium FAC Common Duckweed Lemna minor OBL Door-Yard Dock Rumex longifolius FAC Broad-Leaf Pondweed Potamogeton natans OBL Common Gypsyweed Veronica officinalis FAC Douglas' Meadowsweet Spiraea douglasii FACW Broad-Lip Twayblade Neottia convallarioides FACU Common Juniper Juniperus communis UPL Drummond's Cinquefoil Potentilla drummondii UPL Bronze-Head Oval Sedge Carex foenea FACU Common Mare's-Tail Hippuris vulgaris OBL Drummond's Rush Juncus drummondii FACW Brown Bent Agrostis vinealis FAC Common Moonwort Botrychium lunaria FACW Dry-Spike Sedge Carex siccata FACU Brown Bog Sedge Carex buxbaumii FACW Common Mouse-Ear Chickweed Dwarf Alkali Grass Puccinellia pumila FACW Brownish Sedge Carex brunnescens FAC Cerastium fontanum FACU Dwarf Arctic Groundsel Packera heterophylla UPL Buck-Bean Menyanthes trifoliata OBL Common Nipplewort Lapsana communis UPL Dwarf Bladderwort Utricularia ochroleuca OBL Buek's Groundsel Packera subnuda FAC Common Red Raspberry Rubus idaeus FACU Dwarf Blueberry Vaccinium caespitosum FACW Bulblet-Bearing Water-Hemlock Cicuta bulbifera OBL Common River Grass Scolochloa festucacea OBL Dwarf Bog Bunchberry Cornus suecica FAC Dwarf Buttercup Ranunculus pygmaeus FACW Fowler's Knotweed Polygonum fowleri FAC Harsh Popcorn-Flower Plagiobothrys hispidulus FACW Dwarf Rattlesnake-Plantain Goodyera repens FAC Fox-Tail Barley Hordeum jubatum FACU Heart-Leaf Pseudosaxifrage Micranthes nelsoniana FAC Dwarf Red Raspberry Rubus pubescens FACW Fragile Rockbrake Cryptogramma stelleri FAC Heart-Leaf Twayblade Neottia cordata FACU Dwarf Saw-Wort Saussurea nuda FAC Fragile-Seed Sedge Carex membranacea FACW Hedge False Bindweed Calystegia sepium FAC Dwarf Scouring-Rush Equisetum scirpoides FACU Fragrant Bedstraw Galium triflorum FAC Hemlock Water-Parsnip Sium suave OBL Eastwood's Bluebells Mertensia eastwoodiae FACU Fragrant Fringecup Tellima grandiflora FACU Henderson's Checkerbloom Sidalcea hendersonii FACU Edible Thistle Cirsium edule FAC Fragrant Popcorn-Flower Plagiobothrys figuratus FACW Herbaceous Seepweed Suaeda maritima FAC Edwards' Mock Wallflower Eutrema edwardsii FAC Fringed Brome Bromus ciliatus FACU Hoary Sedge Carex canescens FACW Elegant Milk-Vetch Astragalus eucosmus UPL Fringed Grass-of-Parnassus Parnassia fimbriata FACW Hoary Yellowcress Rorippa barbareifolia FAC Elk Sedge Carex garberi FACW Fringed Willowherb Epilobium ciliatum FAC Hooded Ladies'-Tresses Spiranthes romanzoffiana OBL Elk Thistle Cirsium foliosum FACU Fringed Yellow-Loosestrife Lysimachia ciliata FACW Hooded Skullcap Scutellaria galericulata OBL English Hawthorn Crataegus monogyna FACU Funston's Saxifrage Saxifraga funstonii FACU Hood's Sedge Carex hoodii FACU English Plantain Plantago lanceolata FACU Garden Cornflower Centaurea cyanus UPL Hook-Spur Violet Viola adunca FAC English Sundew Drosera anglica OBL Garden Orache Atriplex hortensis FACU Hoppner's Sedge Carex subspathacea OBL Entire-Leaf Rosewort Rhodiola integrifolia FAC Garden Sorrel Rumex acetosa FAC Horned Dandelion Taraxacum ceratophorum UPL Eurasian Water-Milfoil Myriophyllum spicatum OBL Garden Vetch Vicia sativa UPL Horned-Pondweed Zannichellia palustris OBL European Bird Cherry Prunus padus FACU Garden Yellow-Rocket Barbarea vulgaris FACU Hornemann's Willowherb Epilobium hornemannii FACW European Black Nightshade Solanum nigrum FACU Garlic-Mustard Alliaria petiolata FACU Hudson Bay Sedge Carex heleonastes OBL European Burr-Reed Sparganium emersum OBL Germander Speedwell Veronica chamaedrys UPL Ice Grass Phippsia algida OBL European Water-Plantain Alisma plantago-aquatica OBL German-Madwort Asperugo procumbens UPL Idaho Bent Agrostis idahoensis FACW Fairy-Slipper Orchid Calypso bulbosa FAC Giant-Knotweed Reynoutria sachalinensis UPL Inland Blue Grass Poa interior FAC Falkland Island Sedge Carex macloviana FAC Glacier Fleabane Erigeron glacialis FACW Inland Sedge Carex interior OBL False Fissurewort Transberingia bursifolia FACU Glacier Pink Buttercup Beckwithia glacialis FACW Interrupted Club-Moss Spinulum annotinum FACU False Mayweed Tripleurospermum maritimum FAC Gmelin's Saltbush Atriplex gmelinii FACW Island-Purslane Koenigia islandica OBL False Melic Grass Schizachne purpurascens FAC Gmelin's Sedge Carex gmelinii FAC Ivy-Leaf Duckweed Lemna trisulca OBL False Mountain Willow Salix pseudomonticola FAC Golden Whitlow-Grass Draba aurea UPL Jakutsk Snow-Parsley Cnidium cnidiifolium FAC False Toadflax Geocaulon lividum FACU Golden-Fruit Sedge Carex aurea FACW Japanese-Knotweed Reynoutria japonica UPL False Uncinia Sedge Carex microglochin OBL Golden-Hardhack Dasiphora fruticosa FAC Joint-Leaf Rush Juncus articulatus OBL Far-Northern Buttercup Ranunculus hyperboreus OBL Gold-of-Pleasure Camelina sativa UPL Kamchatka Missionbells Fritillaria camschatcensis FAC Farwell's Water-Milfoil Myriophyllum farwellii OBL Goosegrass Sedge Carex eleusinoides FACW Kamchatka Spike-Rush Eleocharis kamtschatica FACW Feathery False Solomon's-Seal Maianthemum racemosum FAC Goosetongue Plantago maritima FACW Kamchatka-Buttercup Oxygraphis glacialis FACW Felt-Leaf Willow Salix alaxensis FAC Graceful Cinquefoil Potentilla gracilis FAC Kellogg's Sedge Carex kelloggii OBL Felwort Swertia perennis FACW Grass-Leaf Speedwell Veronica scutellata OBL Kenai Birch Betula kenaica FACU Fern Pondweed Potamogeton robbinsii OBL Grass-Leaf Springbeauty Claytonia acutifolia FACU Kentucky Blue Grass Poa pratensis FACU Fern-Leaf Goldthread Coptis aspleniifolia FAC Grassy Pondweed Potamogeton gramineus OBL Keyflower Dactylorhiza aristata FAC Few-Flower Fumewort Corydalis arctica FAC Grassy-Slope Arctic Sedge Carex anthoxanthea FACW Kidney-Leaf Buttercup Ranunculus abortivus FAC Few-Flower Meadow-Rue Thalictrum sparsiflorum FACU Gray Willow Salix bebbiana FAC Kidney-Leaf White Violet Viola renifolia FAC Few-Flower Sedge Carex pauciflora OBL Gray-Leaf Willow Salix glauca FAC Kneeling Angelica Angelica genuflexa FACW Few-Flower Spike-Rush Eleocharis quinqueflora OBL Great Burnet Sanguisorba officinalis FACW Knotted Rush Juncus nodosus OBL Field Horsetail Equisetum arvense FAC Great Mullein Verbascum thapsus FACU Kotzebue's Grass-of-Parnassus Field Meadow-Foxtail Alopecurus pratensis FACW Great Plantain Plantago major FAC Parnassia kotzebuei FACW Field Mouse-Ear Chickweed Cerastium arvense FAC Great Purple Monkey-Flower Mimulus lewisii FACW Labrador Lousewort Pedicularis labradorica FACW Field Pennycress Thlaspi arvense UPL Great Ragweed Ambrosia trifida FAC Lake Huron Green Orchid Platanthera huronensis OBL Field Sow-Thistle Sonchus arvensis FACU Great Red Indian-Paintbrush Castilleja miniata FAC Lake Mistassini Primrose Primula mistassinica FACW Firewheel Gaillardia pulchella UPL Greater Bladderwort Utricularia macrorhiza OBL Lakeshore Sedge Carex lenticularis OBL Fischer's Mouse-Ear Chickweed Greater Creeping Spearwort Ranunculus flammula FACW Lamb's-Quarters Chenopodium album FACU Cerastium fischerianum FACW Greater Water-Starwort Callitriche heterophylla OBL Lamp Rush Juncus effusus OBL Fisher's Tundra Grass Dupontia fisheri FACW Green-Flower Wintergreen Pyrola chlorantha FACU Lance-Leaf Leopardbane Arnica lanceolata FAC Flat-Leaf Bladderwort Utricularia intermedia OBL Greenland Primrose Primula egaliksensis FACW Lance-Leaf Moonwort Botrychium lanceolatum FAC Flat-Stalk Pondweed Potamogeton friesii OBL Greenland Wood-Rush Luzula groenlandica FACW Lance-Leaf Twistedstalk Streptopus lanceolatus FACU Flat-Stem Blue Grass Poa compressa FAC Green-Leaf Rattlesnake-Plantain Lance-Pod Whitlow-Grass Draba lonchocarpa UPL Flat-Stem Pondweed Potamogeton zosteriformis OBL Goodyera oblongifolia UPL Langsdorf's Lousewort Pedicularis langsdorfii FACW Flattened Wild Oat Grass Danthonia compressa UPL Groundivy Glechoma hederacea UPL Lapland Lousewort Pedicularis lapponica FAC Fleshy Starwort Stellaria crassifolia FACW Hair-Like Sedge Carex capillaris FACW Lapland Reed Grass Calamagrostis lapponica FAC Flett's Quillwort Isoetes flettii OBL Hairy Bittercress Cardamine hirsuta FACU Lapland Rhododendron Rhododendron lapponicum FAC Floating Marsh-Marigold Caltha natans OBL Hairy Butterwort Pinguicula villosa OBL Lapland Sedge Carex lapponica OBL Fool's-Huckleberry Menziesia ferruginea FACU Hairy Cat's-Ear Hypochaeris radicata UPL Lapland Sorrel Rumex lapponicus UPL Forest Blue Grass Poa nemoralis FAC Hairy Eared Rockcress Arabis pycnocarpa FACU Large Cranberry Vaccinium macrocarpon OBL Fountain Candy-Flower Montia fontana OBL Hairy Hedge-Nettle Stachys pilosa FACW Large Mosquito Fern Azolla filiculoides OBL Four-Leaf Mare's-Tail Hippuris tetraphylla OBL Hairy Indian-Paintbrush Castilleja tenuis FAC Large Sweet Vernal Grass Anthoxanthum odoratum FACU Four-Line Honeysuckle Lonicera involucrata FACU Hairy-Leaf Rush Juncus supiniformis OBL Large Yellow-Loosestrife Lysimachia punctata OBL Four-Part Dwarf-Gentian Gentianella propinqua FACU Halberd Willow Salix hastata FAC Large-Flower Blue Grass Poa eminens FAC Fowl Blue Grass Poa palustris FAC Halberd-Leaf Orache Atriplex patula FACW Large-Glume Blue Grass Poa macrocalyx FAC Fowl Manna Grass Glyceria striata OBL Hard-Stem Club-Rush Schoenoplectus acutus OBL Large-Leaf Avens Geum macrophyllum FAC Larkspur-Leaf Monkshood Aconitum delphiniifolium FAC Mertens' Rush Juncus mertensianus OBL Northern Groundcone Boschniakia rossica FACU Leafy Leopardbane Arnica chamissonis FACW Mertens' Sedge Carex mertensii FACW Northern Holly Fern Polystichum lonchitis UPL Leafy Pondweed Potamogeton foliosus OBL Mexican Hedge-Nettle Stachys mexicana FACU Northern Meadow Sedge Carex praticola FAC Leafy Tussock Sedge Carex aquatilis OBL Mild Water-Pepper Persicaria hydropiper FACW Northern Mountain-Cranberry Vaccinium vitis-idaea FAC Leafy-Bract American-Aster Symphyotrichum subspicatum FAC Miner's Pepperwort Lepidium densiflorum FACU Northern Oak Fern Gymnocarpium dryopteris FACU Leafy-Stem Pseudosaxifrage Micranthes foliolosa FACW Miner's-Lettuce Claytonia perfoliata FACW Northern Silverpuffs Microseris borealis OBL Least Moonwort Botrychium simplex FACU Montana Sedge Carex media FACW Northern Spike-Moss Selaginella selaginoides FACU Leatherleaf Chamaedaphne calyculata FACW Moor Rush Juncus stygius OBL Northern Sweet Vernal Grass Anthoxanthum hirtum FACW Leathery Grape Fern Sceptridium multifidum FAC Mother-of-the-Evening Hesperis matronalis UPL Northern Twayblade Neottia borealis FACU Leathery Knotweed Polygonum achoreum FAC Mountain Bladder Fern Cystopteris montana FAC Northern Water-Horehound Lycopus uniflorus OBL Lesser Black-Scale Sedge Carex atrosquama FACW Mountain False Deathcamas Anticlea elegans FACU Northern Water-Plantain Alisma triviale OBL Lesser Bladderwort Utricularia minor OBL Mountain Hare Sedge Carex phaeocephala FAC Northern White Rush Juncus albescens FACW Lesser Herbrobert Geranium robertianum FACU Mountain Hemlock Tsuga mertensiana FAC Northern Willow Salix arctophila OBL Lesser Poverty Rush Juncus tenuis FACW Mountain Lady's-Slipper Cypripedium montanum FACU Northern Wood-Rush Luzula confusa FAC Lesser Round-Leaf Orchid Platanthera orbiculata FAC Mountain Mare's-Tail Hippuris montana OBL Northwest Territory Sedge Carex utriculata OBL Lesser Saltmarsh Sedge Carex glareosa OBL Mountain Pseudosaxifrage Micranthes occidentalis UPL Northwestern Showy Sedge Carex spectabilis FACW Lesser Tussock Sedge Carex diandra OBL Mountain Sweet-Cicely Osmorhiza berteroi FACU Northwestern Twayblade Neottia banksiana FACU Lesser Yellow Water Buttercup Ranunculus gmelinii FACW Mountain Tansy-Mustard Descurainia incana UPL Norwegian Cinquefoil Potentilla norvegica FAC Liddon Sedge Carex petasata UPL Mountain Tarplant Madia glomerata UPL Nuttall's Alkali Grass Puccinellia nuttalliana FACW Little Aguja Pondweed Potamogeton berchtoldii OBL Mountain Timothy Phleum alpinum FACU Nuttall's Poverty-Weed Monolepis nuttalliana FAC Little Green Sedge Carex viridula OBL Mountain-Meadow Cinquefoil Potentilla glaucophylla FACW Nutzotin Milk-Vetch Astragalus nutzotinensis FAC Little Yellow-Rattle Rhinanthus minor FACU Mountain-Sorrel Oxyria digyna FACU Oak-Leaf Goosefoot Chenopodium glaucum FAC Little-Leaf Bittercress Cardamine microphylla FACW Mt. Albert Goldenrod Solidago simplex UPL Oat Avena sativa UPL Little-Leaf Candy-Flower Montia parvifolia FACW Mud Sedge Carex limosa OBL Old-Man-in-the-Spring Senecio vulgaris FACU Little-Tree Willow Salix arbusculoides FACW Muskroot Adoxa moschatellina FAC Oldwoman Artemisia stelleriana UPL Livid Sedge Carex livida OBL Naked Broom-Rape Orobanche uniflora UPL One-Flower Indian-Pipe Monotropa uniflora UPL Lodgepole Pine Pinus contorta FAC Naked-Stem Pseudosaxifrage Micranthes nudicaulis FACW One-Row Watercress Nasturtium microphyllum OBL Long-Beak Sedge Carex sprengelii FAC Narcissus-Flower Thimbleweed Anemone narcissiflora FACU Orange-Flower Goat-Chicory Agoseris aurantiaca FAC Long-Bract Frog Orchid Coeloglossum viride FACW Nard Sedge Carex nardina FACU Orchard Grass Dactylis glomerata FACU Long-Leaf Starwort Stellaria longifolia FAC Narrow Beech Fern Phegopteris connectilis FACU Oregon Crabapple Malus fusca FACW Long-Stalk Starwort Stellaria longipes FAC Narrow False Oat Trisetum spicatum FAC Oregon Gumweed Grindelia stricta FACW Long-Style Sedge Carex stylosa FACW Narrow-Flower Blue Grass Poa stenantha FAC Oregon-Tea Clinopodium douglasii FACU Loose-Flower Alpine Sedge Carex rariflora OBL Narrow-Leaf Burr-Reed Sparganium angustifolium OBL Oriental Popcorn-Flower Plagiobothrys orientalis FACW Low Lateral-Bulrush Isolepis cernua OBL Narrow-Leaf Fireweed Chamaenerion angustifolium FACU Ostrich Fern Matteuccia struthiopteris FACW Low Northern Sedge Carex concinna FAC Narrow-Leaf Goosefoot Chenopodium leptophyllum FACU Oval-Leaf Blueberry Vaccinium ovalifolium FAC Lyngbye's Sedge Carex lyngbyei OBL Narrow-Leaf Mountain-Trumpet Collomia linearis FACU Ox-Eye Daisy Leucanthemum vulgare UPL Lyre-Leaf Thalecress Arabidopsis lyrata FACU Narrow-Leaf Saw-Wort Saussurea angustifolia FAC Oysterleaf Mertensia maritima FAC Mackenzie Valley Manna Grass Glyceria Narrow-Wing Water-Starwort Callitriche stenoptera OBL Pacific Bog Sedge Kobresia myosuroides FACU pulchella OBL Neckweed Veronica peregrina FACU Pacific Fir-Moss Huperzia haleakalae FACU Mackenzie's Sedge Carex mackenziei OBL Needle Spike-Rush Eleocharis acicularis OBL Pacific Hemlock-Parsley Conioselinum pacificum FACW Mackenzie's Water-Hemlock Cicuta virosa OBL Net-Vein Willow Salix reticulata FAC Pacific Lousewort Pedicularis pacifica FACW Mackenzie's Willow Salix prolixa FACW Nodding Burr-Marigold Bidens cernua OBL Pacific Mitrewort Ozomelis trifida FAC Macoun's Buttercup Ranunculus macounii FACW Nodding Saxifrage Saxifraga cernua FACW Pacific Ninebark Physocarpus capitatus FAC Macoun's Poppy Papaver macounii FACU Nootka Alkali Grass Puccinellia nutkaensis OBL Pacific Silver Fir Abies amabilis UPL Mad Dog Skullcap Scutellaria lateriflora FACW Nootka Lupine Lupinus nootkatensis FACU Pacific Water-Dropwort Oenanthe sarmentosa OBL Maidenhair Spleenwort Asplenium trichomanes FAC Nootka Reed Grass Calamagrostis nutkaensis FAC Pacific Willow Salix lasiandra FACW Many-Head Sedge Carex sychnocephala FACW Nootka Rose Rosa nutkana FACU Pacific Willow Dock Rumex transitorius FACW Many-Stem Springbeauty Claytonia multiscapa FAC Northeastern Moonwort Botrychium pinnatum UPL Pacific Wood-Rush Luzula comosa FAC Maritime Quillwort Isoetes maritima OBL Northern Adder's-Tongue Ophioglossum pusillum FACW Pacific Wormwood Artemisia campestris UPL Marsh Arrow-Grass Triglochin palustris OBL Northern Alkali Grass Puccinellia angustata FACW Pacific Yew Taxus brevifolia FACU Marsh Blue Grass Poa leptocoma FAC Northern Bedstraw Galium boreale FACU Pacific-Coast Eared Rockcress Arabis eschscholtziana FACU Marsh Cudweed Gnaphalium uliginosum UPL Northern Bent Agrostis mertensii FACU Paiuteweed Suaeda calceoliformis FACW Marsh Grass-of-Parnassus Parnassia palustris FACW Northern Black Currant Ribes hudsonianum FAC Pale Bellflower Campanula scouleri UPL Marsh Horsetail Equisetum palustre FACW Northern Blackberry Rubus arcticus FAC Pale False Manna Grass Torreyochloa pallida FACW Marsh Labrador-Tea Rhododendron tomentosum FACW Northern Blue Grass Poa abbreviata FACU Pale Gentian Gentiana glauca FAC Marsh Meadow-Foxtail Alopecurus geniculatus OBL Northern Bog Club-Moss Lycopodiella inundata OBL Pale Goat-Chicory Agoseris glauca FAC Marsh Vetchling Lathyrus palustris OBL Northern Bog Sedge Carex gynocrates OBL Panarctic Mare's-Tail Hippuris lanceolata OBL Marsh Willowherb Epilobium palustre OBL Northern Bog Starwort Stellaria calycantha FACW Panarctic Mountain-Avens Dryas incisa FACU Marsh-Felwort Lomatogonium rotatum OBL Northern Bracken Fern Pteridium aquilinum FACU Panarctic Water-Crowfoot Ranunculus confervoides OBL Mat Amaranth Amaranthus blitoides UPL Northern Burr-Reed Sparganium hyperboreum OBL Panhandle Indian-Paintbrush Castilleja chrymactis FAC Meadow Barley Hordeum brachyantherum FACW Northern Buttercup Ranunculus arcticus FAC Paper Birch Betula papyrifera FACU Meadow False Rye Grass Schedonorus pratensis FACU Northern Cluster Sedge Carex arcta OBL Paradise-Plant Daphne mezereum FACU Meadow Horsetail Equisetum pratense FACW Northern Golden-Saxifrage Chrysosplenium tetrandrum OBL Parry's Sedge Carex parryana FACW Meadow Vetchling Lathyrus pratensis UPL Northern Green Rush Juncus alpinoarticulatus OBL Partridgefoot Luetkea pectinata UPL Payson's Sedge Carex paysonis FACU Red Blueberry Vaccinium parvifolium FACU Sartwell's Sedge Carex sartwellii OBL Pearl Yarrow Achillea ptarmica FACU Red Clover Trifolium pratense FACU Saskatoon Service-Berry Amelanchier alnifolia UPL Pearleaf Leptarrhena pyrolifolia FACW Red Elder Sambucus racemosa FACU Scabrous Black Sedge Carex atratiformis FACW Pearly-Everlasting Anaphalis margaritacea UPL Red Fescue Festuca rubra FAC Scentbottle Piperia dilatata FACW Pendant Grass Arctophila fulva OBL Red Goosefoot Chenopodium rubrum OBL Scorched Alpine Sedge Carex atrofusca FACW Pendant-Pod Locoweed Oxytropis deflexa FACU Red Osier Cornus alba FAC Scotch Featherling Tofieldia pusilla FAC Pennsylvania Buttercup Ranunculus pensylvanicus FACW Red Torpedoberry Arctous ruber FAC Scot's Lovage Ligusticum scoticum FAC Pennsylvania Cinquefoil Potentilla pensylvanica FACU Red-Bulrush Blysmopsis rufa OBL Scotter's Fleabane Erigeron nivalis FACU Perennial Rye Grass Lolium perenne FACU Reddish Pondweed Potamogeton alpinus OBL Scouler's Surf-Grass Phyllospadix scouleri OBL Piggyback-Plant Tolmiea menziesii FACW Red-Head Pondweed Potamogeton richardsonii OBL Scouler's Valerian Valeriana scouleri FACW Pimpernel Willowherb Epilobium anagallidifolium FAC Red-Root Amaranthus retroflexus UPL Scouler's Willow Salix scouleriana FAC Pincushion Beardtongue Penstemon procerus UPL Red-Stem Pseudosaxifrage Micranthes lyallii FACW Sea Sedge Carex marina OBL Pineapple-Weed Matricaria discoidea FACU Red-Tinge Bulrush Scirpus microcarpus OBL Sea Thrift Armeria maritima FACU Pineland Sword Fern Polystichum munitum FACU Red-Woolly Plantain Plantago eriopoda FACU Sea Vetchling Lathyrus japonicus FAC Pink Mountain-Heath Phyllodoce empetriformis FACU Reed Canary Grass Phalaris arundinacea OBL Seacoast Angelica Angelica lucida FACU Pink Wintergreen Pyrola asarifolia FACU Regel's Mouse-Ear Chickweed Cerastium regelii FACW Sea-Milkwort Lysimachia maritima OBL Pinkweed Persicaria pensylvanica FACW Resin Birch Betula glandulosa FAC Seaside Arrow-Grass Triglochin maritima OBL Pioneer Violet Viola glabella FACW Ribbon-Leaf Pondweed Potamogeton epihydrus OBL Seaside Bittercress Cardamine angulata FACW Pixie-Eyes Primula cuneifolia OBL Richardson's Bittercress Cardamine digitata FAC Seaside Ragwort Senecio pseudoarnica FACU Plumed Bistort Bistorta plumosa FACU Richardson's Brome Bromus richardsonii FACU Seaside Sandplant Honckenya peploides FACU Polar Blue Grass Poa pseudoabbreviata FAC Richardson's Rice Grass Achnatherum richardsonii FACU Seaside Sedge Carex maritima FAC Polar Milk-Vetch Astragalus polaris FAC Richardson's Willow Salix richardsonii FACW Seawrack Zostera marina OBL Polar Sedge Carex arctiformis OBL Robbins' Milk-Vetch Astragalus robbinsii FAC Seep Monkey-Flower Mimulus guttatus OBL Polar Willow Salix polaris FACW Rocky Mountain Cinquefoil Potentilla rubricaulis FACU Serpent-Grass Bistorta vivipara FAC Poorman's-Pepperwort Lepidium virginicum UPL Rocky Mountain Goldenrod Solidago multiradiata FACU Sessile-Leaf Scurvy-Grass Cochlearia sessilifolia FACW Porsild's Pseudosaxifrage Micranthes porsildiana FAC Rocky Mountain Groundsel Packera streptanthifolia UPL Setchell's Willow Salix setchelliana FAC Port Clarence Indian-Paintbrush Castilleja Rocky Mountain Maple Acer glabrum FACU Several-Flower Sedge Carex pluriflora OBL pallida FAC Rocky Mountain Rush Juncus saximontanus FACW Several-Vein Sweetflag Acorus americanus OBL Port Hobron Alkali Grass Puccinellia hultenii OBL Rolland's Leafless-Bulrush Trichophorum pumilum OBL Sheathed False Pondweed Stuckenia vaginata OBL Presl's Sedge Carex preslii FACU Rope-Root Sedge Carex chordorrhiza OBL Sheathed Sedge Carex vaginata OBL Prickley Tree-Club-Moss Dendrolycopodium dendroideum Rosendahl's Golden-Saxifrage Chrysosplenium rosendahlii FACW Shepherd's-Purse Capsella bursa-pastoris FACU FACU Ross' Avens Geum rossii FACU Short-Awn Meadow-Foxtail Alopecurus aequalis OBL Prickly Comfrey Symphytum asperum UPL Rough Bent Agrostis scabra FAC Short-Beak Water-Crowfoot Ranunculus subrigidus OBL Prickly Rose Rosa acicularis FACU Rough Fescue Festuca altaica FAC Short-Leaf Hair Grass Deschampsia brevifolia OBL Prickly Saxifrage Saxifraga tricuspidata FACU Rough Water-Horehound Lycopus asper OBL Short-Leaf Sedge Carex fuliginosa FAC Pumpkin-Fruit Sedge Carex rotundata OBL Rough White Prairie American-Aster Short-Ray Fleabane Erigeron lonchophyllus FACW Purple Bittercress Cardamine purpurea FACW Symphyotrichum falcatum FACU Short-Stalk Sedge Carex podocarpa FAC Purple Featherling Tofieldia coccinea FAC Rough-Stalk Blue Grass Poa trivialis FAC Showy Pussytoes Antennaria pulcherrima FAC Purple Foxglove Digitalis purpurea FACU Round-Leaf Orchid Platanthera rotundifolia FACW Siberian Bog Sedge Kobresia sibirica FACW Purple Loosestrife Lythrum salicaria OBL Round-Leaf Sundew Drosera rotundifolia OBL Siberian False Oat Trisetum sibiricum FAC Purple Marshlocks Comarum palustre OBL Round-Leaf Willow Salix rotundifolia FAC Siberian Saxifrage Saxifraga radiata FACW Purple Mountain Saxifrage Saxifraga oppositifolia FAC Ruby Sandspurry Spergularia rubra FAC Siberian Springbeauty Claytonia sibirica FACW Purple Sweet-Cicely Osmorhiza purpurea FACU Ruffled Starwort Stellaria crispa FAC Siberian Water-Milfoil Myriophyllum sibiricum OBL Purple-Rattle Pedicularis interior FACW Rufous Wood-Rush Luzula rufescens FACW Siberian Wild Rye Elymus sibiricus FAC Pygmy Gentian Gentiana prostrata FACW Rugosa Rose Rosa rugosa UPL Siberian Wood-Aster Eurybia sibirica FAC Pygmy Saxifrage Saxifraga hyperborea FACU Running Ground-Pine Lycopodium clavatum FACU Sickle-Leaf Rush Juncus falcatus FACW Pygmy Water-Lily Nymphaea tetragona OBL Russet Buffalo-Berry Shepherdia canadensis FACU Sidebells Orthilia secunda FACU Pygmy-Flower Rock-Jasmine Androsace septentrionalis UPL Russet Sedge Carex saxatilis FACW Silverweed Potentilla anserina FACW Pyrenean Sedge Carex micropoda FACW Russet-Bristle Cotton-Grass Eriophorum russeolum FACW Silvery Primrose Primula incana FACW Quaker Bittercress Cardamine pensylvanica FACW Russet-Hair Pseudosaxifrage Micranthes ferruginea FAC Simple Bog Sedge Kobresia simpliciuscula FACW Quaking Aspen Populus tremuloides FACU Russian Blue Lettuce Lactuca tatarica FAC Single-Cone Ground-Pine Lycopodium lagopus FACU Quill Spike-Rush Eleocharis nitida OBL Russian-Wild Rye Psathyrostachys juncea UPL Single-Delight Moneses uniflora FACU Ramensk's Sedge Carex ramenskii OBL Rusty Labrador-Tea Rhododendron groenlandicum FAC Sitka Alder Alnus viridis FAC Rannoch-Rush Scheuchzeria palustris OBL Rye-Grass Sedge Carex loliacea OBL Sitka Mistmaiden Romanzoffia sitchensis FACW Rape Brassica rapa UPL Sage Willow Salix candida OBL Sitka Mountain-Ash Sorbus sitchensis FACU Rat-Tail Six-Weeks Grass Vulpia myuros UPL Sago False Pondweed Stuckenia pectinata OBL Sitka Spruce Picea sitchensis FACU Rattlesnake Brome Bromus briziformis FACU Salal Gaultheria shallon FAC Sitka Valerian Valeriana sitchensis FAC Rattlesnake Fern Botrypus virginianus FACU Salmon Raspberry Rubus spectabilis FACU Sitka Willow Salix sitchensis FAC Raup's Indian-Paintbrush Castilleja raupii FAC Saltmarsh Club-Rush Schoenoplectus maritimus OBL Skeleton-Leaf Willow Salix phlebophylla FACU Rayless Alpine Groundsel Packera pauciflora FAC Saltmarsh Starwort Stellaria humifusa OBL Skunk Currant Ribes glandulosum FAC Rayless Mountain Groundsel Packera indecora FACU Samiland-Gentian Comastoma tenellum FACW Sleepy Primrose Primula nutans FACW Red Alder Alnus rubra FAC Sandbar Willow Salix interior FACW Slender Bog Orchid Platanthera stricta FACW Red Baneberry Actaea rubra FAC Sand-Dune Blue Grass Poa macrantha UPL Slender Cotton-Grass Eriophorum gracile OBL Red Bearberry Arctostaphylos uva-ursi UPL Sardinian Buttercup Ranunculus sabinei FACW Slender Hair Grass Deschampsia elongata FAC Slender Mountain Matted Sandwort Sticky-Willy Galium aparine FACU Tuberous Springbeauty Claytonia tuberosa FACW Eremogone capillaris UPL Stiff-Stem Pseudosaxifrage Micranthes hieraciifolia FAC Tufted Alpine Saxifrage Saxifraga caespitosa FAC Slender Wedgescale Sphenopholis intermedia FAC Stinging Nettle Urtica dioica FACU Tufted Hair Grass Deschampsia caespitosa FAC Slender Whitlow-Grass Draba albertina FAC Stinking Chamomile Anthemis cotula FACU Tufted Leafless-Bulrush Trichophorum caespitosum OBL Slender Wild Rye Elymus trachycaulus FACU Straight-Beak Buttercup Ranunculus orthorhynchus FACW Tufted Yellow-Loosestrife Lysimachia thyrsiflora OBL Slender Wood-Reed Cinna latifolia FACW Strawberry-Leaf Raspberry Rubus pedatus FAC Tumbleweed Amaranthus albus FACU Slender-Beak Sedge Carex athrostachya FAC Streambank Springbeauty Claytonia parviflora FACU Tundra Alkali Grass Puccinellia tenella OBL Slender-Fruit Willowherb Epilobium leptocarpum FACW Streamside Fleabane Erigeron glabellus FACU Turion Duckweed Lemna turionifera OBL Slender-Leaf False Pondweed Stuckenia filiformis OBL Streamside Wild Rye Elymus lanceolatus UPL Tussock Cotton-Grass Eriophorum vaginatum FACW Slender-Spike Manna Grass Glyceria leptostachya OBL Strict Blue-Eyed-Grass Sisyrinchium montanum FACW Twinsisters Lonicera tatarica UPL Slim-Stem Reed Grass Calamagrostis stricta FACW Subalpine Fir Abies lasiocarpa UPL Two-Color Sedge Carex bicolor OBL Small Black-Tip Ragwort Senecio lugens FAC Subalpine Fleabane Erigeron peregrinus FACW Two-Flower Rush Juncus biglumis OBL Small Cranberry Vaccinium oxycoccos OBL Subalpine Monkey-Flower Mimulus tilingii OBL Two-Leaf False Solomon's-Seal Small Enchanter's-Nightshade Circaea alpina FACW Suckling Clover Trifolium dubium UPL Maianthemum dilatatum FAC Small Floating Manna Grass Glyceria borealis OBL Sudetic Lousewort Pedicularis albolabiata FACW Umbell's Bittercress Cardamine umbellata FACW Small Pondweed Potamogeton pusillus OBL Suksdorf's Hawthorn Crataegus gaylussacia UPL Umbrella Starwort Stellaria umbellata FACW Small Twistedstalk Streptopus streptopoides FAC Sulphur Buttercup Ranunculus sulphureus FACW Under-Green Willow Salix commutata FAC Small-Flower Grass-of-Parnassus Summer Coralroot Corallorhiza maculata UPL Variegated Scouring-Rush Equisetum variegatum FACW Parnassia parviflora OBL Swamp Birch Betula nana FAC Veiny Vetchling Lathyrus venosus FACU Small-Flower Indian-Paintbrush Castilleja parviflora FACW Swamp Gentian Gentiana douglasiana FACW Vernal Water-Starwort Callitriche palustris OBL Small-Flower Lousewort Pedicularis parviflora FACW Swamp Red Currant Ribes triste FAC Vine Maple Acer circinatum FAC Small-Flower Thimbleweed Anemone parviflora FACU Swamp Smartweed Persicaria hydropiperoides OBL Virginia Strawberry Fragaria virginiana UPL Small-Flower Wood-Rush Luzula parviflora FAC Swaying Club-Rush Schoenoplectus subterminalis OBL Wahlenberg's Wood-Rush Luzula wahlenbergii OBL Small-Head Burnet Sanguisorba menziesii FAC Sweet-Flower Rock-Jasmine Androsace chamaejasme FACU Walpole's Poppy Papaver walpolei FACU Small-Head Clover Trifolium microcephalum UPL Sweetgale Myrica gale OBL Water Birch Betula occidentalis FAC Small-Wing Sedge Carex microptera FAC Swollen Beaked Sedge Carex rostrata OBL Water Horsetail Equisetum fluviatile OBL Smooth Brome Bromus inermis UPL Tall Bluebells Mertensia paniculata FACU Water Lobelia Lobelia dortmanna OBL Smooth Hawk's-Beard Crepis capillaris UPL Tall Buttercup Ranunculus acris FACW Water Pygmyweed Crassula aquatica OBL Smooth Northern-Rockcress Braya glabella FAC Tall Cotton-Grass Eriophorum angustifolium OBL Water Smartweed Persicaria amphibia OBL Smooth-Stem Sedge Carex laeviculmis FACW Tall False Oat Trisetum cernuum FACU Water Whorl Grass Catabrosa aquatica OBL Snow Buttercup Ranunculus nivalis FACW Tall False Rye Grass Schedonorus arundinaceus UPL Watercress Nasturtium officinale OBL Snow Pearlwort Sagina nivalis FAC Tall Hedge-Mustard Sisymbrium altissimum FACU Water-Dragon Calla palustris OBL Snowline Wintergreen Pyrola minor FAC Tall Jacob's-Ladder Polemonium acutiflorum FAC Watershield Brasenia schreberi OBL Soft Brome Bromus hordeaceus FACU Tall Mountain Shootingstar Dodecatheon jeffreyi FACW Wavy Hair Grass Deschampsia flexuosa UPL Soft-Leaf Sedge Carex disperma FACW Tall Oat Grass Arrhenatherum elatius UPL Wavy Waternymph Najas flexilis OBL Soft-Stem Club-Rush Schoenoplectus tabernaemontani Tall Scouring-Rush Equisetum hyemale FACW Weak Sedge Carex laxa OBL OBL Tall Whitlow-Grass Draba praealta UPL Wedge-Leaf Saxifrage Saxifraga adscendens FACU Soft-Stem Spike-Rush Eleocharis mamillata OBL Talus Willowherb Epilobium clavatum FAC Wedge-Leaf Willow Salix sphenophylla FAC Soldier Rockcress Boechera lemmonii UPL Tassel Cotton-Grass Eriophorum viridicarinatum OBL Western Arborvitae Thuja plicata FAC Sparrow-Egg Lady's-Slipper Cypripedium passerinum FAC Tea-Leaf Willow Salix planifolia FACW Western Arctic Shootingstar Dodecatheon frigidum FACW Sparse-Flower Sedge Carex tenuiflora OBL Thick-Head Sedge Carex pachystachya FAC Western Buttercup Ranunculus occidentalis FACW Spearmint Mentha spicata FACW Thick-Spike Wild Rye Elymus macrourus FAC Western Canada Goldenrod Solidago lepida FACU Speckled Alder Alnus incana FAC Thread Rush Juncus filiformis FACW Western Dock Rumex occidentalis OBL Spiked Bent Agrostis exarata FACW Thread-Leaf Water-Crowfoot Ranunculus trichophyllus OBL Western False Asphodel Triantha occidentalis FACW Spiked Wood-Rush Luzula spicata FACU Three-Flower Rush Juncus triglumis FACW Western Grasswort Lilaeopsis occidentalis OBL Spiny-Leaf Sow-Thistle Sonchus asper FACU Three-Leaf Foamflower Tiarella trifoliata FAC Western Hemlock Tsuga heterophylla FAC Spiny-Spore Quillwort Isoetes echinospora OBL Three-Leaf Goldthread Coptis trifolia FAC Western Inflated Sedge Carex exsiccata OBL Spiral Ditch-Grass Ruppia cirrhosa OBL Three-Lobe Beggarticks Bidens tripartita FACW Western Lady Fern Athyrium cyclosorum FAC Spotted Lady's-Thumb Persicaria maculosa FAC Three-Petal Bedstraw Galium trifidum FACW Western Meadow-Rue Thalictrum occidentale FACU Spotted Water-Hemlock Cicuta maculata OBL Three-Way Sedge Dulichium arundinaceum OBL Western Moss-Heather Cassiope mertensiana UPL Spreading Bent Agrostis stolonifera FAC Thyme-Leaf Speedwell Veronica serpyllifolia OBL Western Thimble-Berry Rubus parviflorus FACU Spreading Dogbane Apocynum androsaemifolium UPL Tierra del Fuego Dock Rumex fueginus FACW Western Touch-Me-Not Impatiens noli-tangere FACW Spreading Wood Fern Dryopteris expansa FACU Tilesius' Wormwood Artemisia tilesii FACU Western Turkeybeard Xerophyllum tenax FACU Spruce-Fir Buttercup Ranunculus eschscholtzii FACW Timber Wild Oat Grass Danthonia intermedia FAC Western Water-Hemlock Cicuta douglasii OBL Square-Twig Blueberry Vaccinium membranaceum FACU Toad Rush Juncus bufonius OBL Western-Wheat Grass Pascopyrum smithii UPL Squashberry Viburnum edule FACU Tolmie's Alpine Pseudosaxifrage Wheat Sedge Carex atherodes OBL Stalk-Grain Sedge Carex stipata OBL Micranthes tolmiei FACU White Adder's-Mouth Orchid Malaxis monophyllos FACW Star Sedge Carex echinata OBL Toothed Medick Medicago polymorpha FACU White Arctic Mountain-Heather Cassiope tetragona FACU Starry False Solomon's-Seal Maianthemum stellatum FAC Tower Larkspur Delphinium glaucum FACW White Beak Sedge Rhynchospora alba OBL Steven's Meadowsweet Spiraea stevenii FACU Trailing Black Currant Ribes laxiflorum FACU White Catchfly Silene menziesii FAC Sticky False Asphodel Triantha glutinosa FACW Trailing Creeping-Cedar Diphasiastrum complanatum FACU White Clover Trifolium repens FACU Sticky Mouse-Ear Chickweed Cerastium glomeratum UPL Trailing Pearlwort Sagina decumbens FACU White Cotton-Grass Eriophorum scheuchzeri OBL Sticky-Leaf Leopardbane Arnica ovata FACW Triangle-Lobe Moonwort Botrychium ascendens FACU White Horehound Marrubium vulgare FAC Sticky-Stem Pearlwort Sagina maxima FACW True Forget-Me-Not Myosotis scorpioides FAC White Marsh-Marigold Caltha leptosepala OBL White Mountain-Avens Dryas chamissonis FACU White Mountain-Avens Dryas integrifolia FACU White Sagebrush Artemisia ludoviciana FACU White Spruce Picea glauca FACU White Water-Crowfoot Ranunculus aquatilis OBL White-Flower Willowherb Epilobium lactiflorum FACW White-Stem Pondweed Potamogeton praelongus OBL White-Stem Raspberry Rubus leucodermis FAC White-Tip Clover Trifolium variegatum FAC Whitish Gentian Gentiana algida FAC Whorled Locoweed Oxytropis splendens UPL Whorled Lousewort Pedicularis verticillata FAC Whorled Water-Milfoil Myriophyllum verticillatum OBL Wiegand's Wild Rye Elymus wiegandii FAC Wild Blue Lettuce Lactuca biennis FACU Wild Chives Allium schoenoprasum FAC Williams' Sedge Carex williamsii FAC Windmill Fringed-Gentian Gentianopsis detonsa FACW Woodland Buttercup Ranunculus uncinatus FAC Woodland Forget-Me-Not Myosotis sylvatica UPL Woodland Horsetail Equisetum sylvaticum FAC Woodland Saxifrage Saxifraga mertensiana FACW Woods' Rose Rosa woodsii UPL Woody Saltwort Salicornia depressa OBL Woolly Crane's-Bill Geranium erianthum FACU Woolly Hawkweed Hieracium triste UPL Woolly Lousewort Pedicularis lanata FAC Woolly-Fruit Sedge Carex lasiocarpa OBL Worm-Seed Wallflower Erysimum cheiranthoides UPL Woundwort Stachys palustris FACW Wright's Alkali Grass Puccinellia wrightii OBL Wright's Filmy Fern Hymenophyllum wrightii FAC Wright's Golden-Saxifrage Chrysosplenium wrightii FAC Yard Knotweed Polygonum aviculare FAC Yellow Avens Geum aleppicum FACU Yellow Coralroot Corallorhiza trifida FACW Yellow Lady's-Slipper Cypripedium parviflorum FACW Yellow Marsh Saxifrage Saxifraga hirculus OBL Yellow Marsh-Marigold Caltha palustris OBL Yellow Mountain Saxifrage Saxifraga aizoides FACW Yellow Mountain-Avens Dryas drummondii FACU Yellow Mountain-Heath Phyllodoce glanduliflora UPL Yellow Sweet-Clover Melilotus officinalis FACU Yellow Thimbleweed Anemone richardsonii FAC Yellow Willowherb Epilobium luteum FACW Yellow-Flower Knotweed Polygonum ramosissimum FACU Yellow-Green Sedge Carex flava OBL Yellow-Skunk-Cabbage Lysichiton americanus OBL Yenisei River Pondweed Potamogeton subsibiricus OBL Yukon American-Aster Symphyotrichum yukonense FACW Yukon Sedge Carex bonanzensis FACW Zigzag Knotweed Polygonum minimum FACU