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1411 Plants Found

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Scientific Name	Common Name	†	Map‡
Phacelia thermalis Greene	Heated Phacelia
Carex gravida L.H. Bailey	Heavy-Fruited Sedge
Calystegia sepium (L.) R. Br.	hedge false bindweed
Dichanthelium oligosanthes (Schult.) Gould	Heller's rosette grass
Sium suave Walter	hemlock waterparsnip
Balsamorhiza incana Nutt.	hoary balsamroot
Erigeron canus A. Gray	Hoary Fleabane
Lithospermum canescens (Michx.) Lehm.	hoary puccoon
Dieteria canescens (Pursh) Nutt.	Hoary Tansyaster
Verbena stricta Vent.	Hoary Vervain
Trifolium gymnocarpon Nutt.	Hollyleaf Clover
Carex hoodii Boott	Hood's sedge
Sagittaria calycina Engelm.	hooded arrowhead
Corallorhiza striata Lindl.	hooded coralroot
Spiranthes romanzoffiana Cham.	hooded lady's tresses
Viola adunca Sm.	hookedspur violet
Eremogone hookeri (Nutt.) W.A.Weber	Hooker's Sandwort
Townsendia hookeri Beaman	Hooker's Townsend daisy
Thelesperma megapotamicum (Spreng.) Kuntze	Hopi Tea Greenthread
Zannichellia palustris L.	Horned Pondweed
Euphorbia brachycera Engelm.	horned spurge
Epilobium hornemannii Rchb.	Hornemann's willowherb
Conyza canadensis (L.) Cronquist	Horseweed	✓
Eritrichium howardii (A. Gray) Rydb.	Howard's alpine forget-me-not
Antennaria howellii Greene	Howell's pussytoes
Platanthera huronensis (Nutt.) Lindl.	Huron green orchid
Agrostis idahoensis Nash	Idaho bentgrass
Sisyrinchium idahoense E.P. Bicknell	Idaho blue-eyed grass
Festuca idahoensis Elmer	Idaho Fescue
Desmanthus illinoensis (Michx.) MacMill. ex B.L. Rob. & Fernald	Illinois Bundleflower
Astragalus australis (L.) Lam.	Indian milkvetch
Achnatherum hymenoides (Roem. & Schult.) Barkworth	Indian Ricegrass
Ceanothus herbaceus Raf.	Inland New Jersey Tea
Juncus interior Wiegand	inland rush
Carex interior L.H. Bailey	inland sedge
Apocynum ×floribundum	Intermediate Dogbane
Physalis hederifolia A. Gray	ivyleaf groundcherry
Polemonium pulcherrimum Hook.	Jacob's-ladder
Polanisia jamesii (Torr. & A. Gray) Iltis	James' clammyweed
Helianthus tuberosus L.	Jerusalem Artichoke
Aquilegia jonesii Parry	Jones' columbine
Cryptantha kelseyana Greene	Kelsey's Cryptantha
Phlox kelseyi Britton	Kelsey's Phlox
Arctostaphylos uva-ursi (L.) Spreng.	Kinnikinnick
Juncus nodosus L.	knotted rush
Ranunculus rhomboideus Goldie	Labrador Buttercup
Castilleja septentrionalis Lindl.	Labrador Indian Paintbrush
Senecio integerrimus Nutt.	lambstongue ragwort
Liatris lancifolia (Greene) Kittell	lanceleaf blazing star
Scrophularia lanceolata Pursh	lanceleaf figwort
Pyrrocoma lanceolata (Hook.) Greene	lanceleaf goldenweed
Salvia reflexa Hornem.	Lanceleaf Sage
Claytonia multiscapa Rydb.	lanceleaf springbeauty
Claytonia lanceolata Pall. ex Pursh	lanceleaf springbeauty
Draba lonchocarpa Rydb.	lancepod draba
Penstemon laricifolius Hook. & Arn.	Larchleaf Beardtongue
Pediomelum esculentum (Pursh) Rydb.	large Indian breadroot
Hypericum majus (A. Gray) Britton	large St. Johnswort
Penstemon bradburyi Pursh	Large-flowered Beardtongue
Pediomelum cuspidatum (Pursh) Rydb.	largebract Indian breadroot
Erigeron grandiflorus Hook.	Largeflower Fleabane
Crepis occidentalis Nutt.	largeflower hawksbeard
Townsendia grandiflora Nutt.	Largeflower Townsend Daisy
Triteleia grandiflora Lindl.	largeflower triteleia
Geum macrophyllum Willd.	largeleaf avens
Potamogeton amplifolius Tuck.	largeleaf pondweed
Astragalus laxmannii Jacq.	Laxmann's milkvetch
Amorpha canescens Pursh	Lead Plant
Potamogeton foliosus Raf.	Leafy Pondweed
Musineon divaricatum (Pursh) Raf.	leafy wildparsley
Polygonum achoreum S.F. Blake	leathery knotweed
Rhodiola integrifolia Raf.	ledge stonecrop
Dichanthelium leibergii (Vasey) Freckmann	Leiberg's panicum
Ladeania lanceolata (Pursh) Reveal & A.N.Egan	Lemon Scurfpea
Goodyera repens (L.) R. Br.	Lesser Rattlesnake Plantain
Selaginella densa Rydb.	lesser spikemoss
Stephanomeria tenuifolia (Torr.) H.M.Hall	Lesser Wirelettuce
Cypripedium parviflorum Salisb.	Lesser Yellow Lady's Slipper
Poa lettermanii Vasey	Letterman's bluegrass
Achnatherum lettermanii (Vasey) Barkworth	Letterman's needlegrass
Linum lewisii Pursh	Lewis flax
Philadelphus lewisii Pursh	Lewis' mock orange
Carex petasata Dewey	Liddon sedge
Penstemon gracilis Nutt.	Lilac Penstemon
Lonicera dioica L.	Limber Honeysuckle
Pinus flexilis James	Limber Pine
Arceuthobium cyanocarpum (A. Nelson ex Rydb.) A. Nelson	Limber Pine Dwarf Mistletoe
Crepis intermedia A. Gray	limestone hawksbeard
Carex granularis Muhl. ex Willd.	limestone meadow sedge
Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve	Lindley's aster
Hordeum pusillum Nutt.	Little Barley
Anemone lithophila Rydb.	Little Belt Mountain thimbleweed
Schizachyrium scoparium (Michx.) Nash	Little Bluestem
Astragalus simplicifolius (Nutt.) A. Gray	Little Bun Milkvetch
Cryptantha minima Rydb.	little cryptantha
Carex viridula Michx.	little green sedge
Delphinium bicolor Nutt.	little larkspur
Piptatheropsis exigua (Thurb.) Romasch., P.M. Peterson & R.J. Soreng	Little Ricegrass
Chamaerhodos erecta (L.) Bunge	little rose
Helianthus pumilus Nutt.	Little Sunflower
Penstemon procerus Douglas ex Graham	littleflower penstemon
Heuchera parvifolia Nutt. ex Torr. & A. Gray	Littleleaf Alumroot
Antennaria microphylla Rydb.	littleleaf pussytoes
Piptatheropsis micrantha "(Trin. & Rupr.) Romasch.	littleseed ricegrass
Pyrola asarifolia Michx.	Liverleaf Wintergreen
Lupinus parviflorus Nutt. ex Hook. & Arn.	lodgepole lupine
Pinus contorta Douglas ex Loudon	Lodgepole Pine
Carex inops L.H. Bailey	Long-stolon Sedge
Ranunculus longirostris Godr.	Longbeak Buttercup
Dactylorhiza viridis (L.) R.M. Bateman, A.M. Pridgeon & M.W. Chase	Longbract Frog Orchid
Tradescantia bracteata Small	longbract spiderwort
Carex comosa Boott	longhair sedge
Arnica lonchophylla Greene	longleaf arnica
Erigeron corymbosus Nutt.	longleaf fleabane
Physalis longifolia Nutt.	Longleaf Groundcherry
Phlox longifolia Nutt.	longleaf phlox
Potamogeton nodosus Poir.	longleaf pondweed
Stellaria longifolia Muhl. ex Willd.	longleaf starwort
Artemisia longifolia Nutt.	longleaf wormwood
Lupinus arbustus Douglas ex Lindl.	longspur lupine
Trifolium longipes Nutt.	longstalk clover
Carex pedunculata Muhl. ex Willd.	longstalk sedge
Stellaria longipes Goldie	longstalk starwort
Juncus longistylis Torr.	longstyle rush
Osmorhiza longistylis (Torr.) DC.	longstyle sweetroot
Cirsium longistylum J.W. Moore & Frankton	Longstyle Thistle
Astragalus tenellus Pursh	Looseflower Milkvetch
Astragalus lotiflorus Hook.	lotus milkvetch
Orobanche ludoviciana Nutt.	Louisiana Broomrape
Carex concinna R. Br.	low northern sedge
Antennaria dimorpha (Nutt.) Torr. & A. Gray	low pussytoes
Amelanchier humilis Wiegand	low serviceberry
Angelica arguta Nutt.	Lyall's angelica
Ranunculus macounii Britton	Macoun's buttercup
Potentilla macounii Rydb.	Macoun's Cinquefoil
Pseudognaphalium macounii (Greene) Kartesz	Macoun's cudweed
Collinsia parviflora Lindl.	Maiden Blue Eyed Mary
Diplachne fusca (L.) P.Beauv. ex Roem. & Schult.	Malabar Sprangletop
Dryopteris filix-mas (L.) Schott	male fern
Physocarpus malvaceus (Greene) Kuntze	mallow ninebark
Lepidium ramosissimum A. Nelson	manybranched pepperweed
Hackelia floribunda (Lehm.) I.M. Johnst.	manyflower stickseed
Mimulus floribundus Lindl.	manyflowered monkeyflower
Carex sychnocephala Carey	manyhead sedge
Chenopodiastrum simplex (Torr.) S.Fuentes, Uotila & Borsch	Mapleleaf Goosefoot
Campanula aparinoides Pursh	marsh bellflower
Poa leptocoma Trin.	marsh bluegrass
Parnassia palustris L.	marsh grass of Parnassus
Muhlenbergia racemosa "(Michx.) Britton	marsh muhly
Scutellaria galericulata L.	marsh skullcap
Valeriana dioica L.	marsh valerian
Viola palustris L.	marsh violet
Epilobium palustre L.	marsh willowherb
Sanicula marilandica L.	Maryland Sanicle
Amaranthus blitoides S. Watson	Mat Amaranth
Muhlenbergia richardsonis (Trin.) Rydb.	mat muhly
Petrophytum caespitosum (Nutt.) Rydb.	mat rockspirea
Cenchrus longispinus (Hack.) Fernald	Mat Sandbur
Eriogonum caespitosum Nutt.	matted buckwheat
Helianthus maximiliani Schrad.	Maximilian Sunflower
Hordeum brachyantherum Nevski	meadow barley
Toxicoscordion venenosum (S.Watson) Rydb.	Meadow Deathcamas
Allium canadense L.	Meadow Garlic
Carex praticola Rydb.	meadow sedge
Salix petiolaris Sm.	meadow willow
Chenopodium incanum (S. Watson) A. Heller	mealy goosefoot
Silene menziesii Hook.	Menzies' campion
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr.	Menzies' fiddleneck
Juncus mertensianus Bong.	Mertens' rush
Muhlenbergia mexicana (L.) Trin.	Mexican Muhly
Artemisia michauxiana Besser	Michaux's wormwood
Epilobium lactiflorum Hausskn.	Milkflower Willowherb
Claytonia perfoliata Donn ex Willd.	miner's lettuce
Escobaria missouriensis (Sweet) D.R. Hunt	Missouri foxtail cactus
Solidago missouriensis Nutt.	Missouri goldenrod
Astragalus missouriensis Nutt.	Missouri Milkvetch
Salix eriocephala Michx.	Missouri River Willow
Crepis modocensis Greene	Modoc hawksbeard
Rorippa tenerrima Greene	Modoc yellowcress
Suaeda nigra (Raf.) J.F.Macbr.	Mojave Seablite
Elymus albicans (Scribn. & J.G. Sm.) Á. Löve	Montana wheatgrass
Silene acaulis (L.) Jacq.	moss campion
Atriplex ×aptera A.Nelson	Moundscale
Pediocactus simpsonii (Engelm.) Britton & Rose	Mountain Ball Cactus
Agrostis variabilis Rydb.	mountain bentgrass
Bromus marginatus Nees ex Steud.	Mountain Brome
Anticlea elegans (Pursh) Rydb.	Mountain Deathcamas
Oenothera pallida subsp. latifolia (Rydb.) Munz	Mountain Evening Primrose
Cypripedium montanum Douglas ex Lindl.	Mountain Lady's Slipper
Physocarpus monogynus (Torr.) J.M. Coult.	mountain ninebark
Piptatheropsis pungens "(Torr.) Romasch.	mountain ricegrass
Festuca campestris Rydb.	Mountain Rough Fescue
Carex scopulorum T. Holm	mountain sedge
Symphoricarpos oreophilus A. Gray	mountain snowberry
Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn	Mountain Tansymustard
Solidago simplex Kunth	Mt. Albert goldenrod
Cirsium eatonii var. murdockii S.L.Welsh	Murdock's Thistle
Adoxa moschatellina L.	muskroot
Poa fendleriana (Steud.) Vasey	muttongrass
Viburnum lentago L.	Nannyberry
Sparganium angustifolium Michx.	narrowleaf bur-reed
Echinacea angustifolia DC.	narrowleaf coneflower
Populus angustifolia James	Narrowleaf Cottonwood
Mirabilis linearis (Pursh) Heimerl	Narrowleaf Four O'clock
Chenopodium leptophyllum (Moq.) Nutt. ex S. Watson	Narrowleaf Goosefoot
Pediomelum linearifolium (Torr. & A. Gray) J. Grimes	Narrowleaf Indian Breadroot
Astragalus pectinatus (Douglas ex Hook.) Douglas ex G. Don	narrowleaf milkvetch
Lithospermum incisum Lehm.	narrowleaf stoneseed
Alisma gramineum Lej.	narrowleaf water plantain
Salix exigua Nutt.	narrowleaf willow
Thelesperma subnudum A. Gray	Navajo tea
Lupinus plattensis S. Watson	Nebraska Lupine
Carex nebrascensis Dewey	Nebraska sedge
Veronica peregrina L.	neckweed
Eleocharis acicularis (L.) Roem. & Schult.	needle spikerush
Hesperostipa comata (Trin. & Rupr.) Barkworth	Needle-and-Thread Grass
Carex duriuscula C.A. Mey.	needleleaf sedge
Sisyrinchium mucronatum Michx.	needletip blue-eyed grass
Agastache urticifolia (Benth.) Kuntze	nettleleaf giant hyssop
Scirpus nevadensis S. Watson	Nevada bulrush
Symphyotrichum novae-angliae (L.) G.L. Nesom	New England Aster	✓
Phemeranthus confertiflorus (Greene) Hershkovitz	New Mexico fameflower
Dalea enneandra Nutt.	nineanther prairie clover
Lomatium triternatum (Pursh) J.M. Coult. & Rose	nineleaf biscuitroot
Bidens cernua L.	Nodding Beggartick
Poa reflexa Vasey & Scribn. ex Vasey	Nodding Bluegrass
Eriogonum cernuum Nutt.	nodding buckwheat
Cerastium nutans Raf.	nodding chickweed
Oxytropis deflexa (Pall.) DC.	nodding locoweed
Microseris nutans (Hook.) Sch. Bip.	nodding microseris
Allium cernuum Roth	Nodding Onion
Hackelia deflexa (Wahlenb.) Opiz	nodding stickseed
Najas flexilis (Willd.) Rostk. & Schmidt	Nodding Waternymph
Galium boreale L.	northern bedstraw
Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve	northern bog aster
Viola nephrophylla Greene	northern bog violet
Lycopus uniflorus Michx.	Northern Bugleweed
Platanthera aquilonis Sheviak	northern green orchid
Juncus alpinoarticulatus Chaix	northern green rush
Polystichum lonchitis (L.) Roth	northern hollyfern
Lomatium orientale J.M. Coult. & Rose	Northern Idaho biscuitroot
Leptosiphon septentrionalis (H. Mason) J.M. Porter & L.A. Johnson	northern linanthus
Selaginella rupestris (L.) Spring	northern selaginella
Carex scirpoidea Michx.	northern singlespike sedge
Stellaria calycantha (Ledeb.) Bong.	northern starwort
Hierochloe hirta (Schrank) Borbás	Northern Sweetgrass
Alisma triviale Pursh	Northern Water Plantain
Callitriche hermaphroditica L.	northern water-starwort
Carex utriculata Boott	Northwest Territory sedge
Castilleja angustifolia (Nutt.) G. Don	northwestern Indian paintbrush
Potentilla norvegica L.	Norwegian cinquefoil
Puccinellia nuttalliana (Schult.) Hitchc.	Nuttall's Alkaligrass
Lomatium nuttallii (A. Gray) J.F. Macbr.	Nuttall's Biscuitroot
Oenothera nuttallii Sweet	Nuttall's Evening Primrose
Oxytropis multiceps Nutt.	Nuttall's Oxytrope
Blitum nuttallianum Schult.	Nuttall's Povertyweed
Arabis nuttallii B.L. Rob.	Nuttall's rockcress
Minuartia nuttallii (Pax) Briq.	Nuttall's sandwort
Mimosa nuttallii (DC. ex Britton & Rose) B.L. Turner	Nuttall's sensitive-briar
Helianthus nuttallii Torr. & A. Gray	Nuttall's Sunflower
Viola nuttallii Pursh	Nuttall's violet
Mertensia oblongifolia (Nutt.) G. Don	oblongleaf bluebells
Carex obtusata Lilj.	obtuse sedge
Geum triflorum Pursh	Old Man's Whiskers
Helianthella uniflora (Nutt.) Torr. & A. Gray	oneflower helianthella
Kelseya uniflora (S. Watson) Rydb.	Oneflower Kelseya
Orobanche uniflora L.	oneflowered broomrape
Sicyos angulatus L.	Oneseed Bur Cucumber
Danthonia unispicata (Thurb.) Munro ex Macoun	onespike danthonia
Melica bulbosa Geyer ex Porter & J.M. Coult.	oniongrass
Senecio rapifolius Nutt.	Openwoods Ragwort
Picradeniopsis oppositifolia (Nutt.) Rydb. ex Britton	oppositeleaf bahia
Agoseris aurantiaca (Hook.) Greene	orange agoseris
Woodsia oregana D.C. Eaton	Oregon cliff fern
Matteuccia struthiopteris (L.) Todaro	Ostrich Fern
Asclepias ovalifolia Decne.	oval-leaf milkweed
Anemone multifida Poir.	Pacific Anemone
Corallorhiza mertensiana Bong.	Pacific coralroot
Luzula comosa E. Mey.	Pacific woodrush
Astragalus ceramicus Sheldon	painted milkvetch
Chylismia scapoidea (Torr. & A.Gray) Small	Paiute suncup
Agoseris glauca (Pursh) Raf.	pale agoseris
Rumex altissimus Alph. Wood	pale dock
Oenothera pallida Lindl.	pale evening primrose
Torreyochloa pallida (Torr.) Church	Pale False Mannagrass
Castilleja pallescens (A. Gray) Greenm.	pale Indian paintbrush
Persicaria lapathifolia (L.) Delarbre	Pale Smartweed
Lobelia spicata Lam.	Palespike Lobelia
Pediomelum digitatum (Nutt. ex Torr. & A. Gray) Isely	palmleaf Indian breadroot
Scirpus microcarpus J. Presl & C. Presl	panicled bulrush
Betula papyrifera Marshall	Paper Birch	✓
Eriogonum brevicaule var. canum (S.Stokes) Dorn	Parasol Buckwheat
Pedicularis parryi A. Gray	Parry's Lousewort
Ericameria parryi (A. Gray) G.L. Nesom & Baird	Parry's rabbitbrush
Juncus parryi Engelm.	Parry's rush
Carex parryana Dewey	Parry's sedge
Silene parryi (S. Watson) C.L. Hitchc. & Maguire	Parry's silene
Townsendia parryi D.C. Eaton	Parry's Townsend daisy
Draba paysonii J.F. Macbr.	Payson's draba
Carex paysonis Clokey	Payson's sedge
Salix amygdaloides Andersson	peachleaf willow
Antennaria anaphaloides Rydb.	pearly pussytoes
Carex peckii Howe	Peck's sedge
Cardamine pensylvanica Muhl. ex Willd.	Pennsylvania bittercress
Ranunculus pensylvanicus L. f.	Pennsylvania buttercup
Potentilla pensylvanica L.	Pennsylvania cinquefoil
Parietaria pensylvanica Muhl. ex Willd.	Pennsylvania Pellitory
Carex pensylvanica Lam.	Pennsylvania sedge
Rorippa calycina (Engelm.) Rydb.	Persistent Sepal Yellowcress
Erigeron philadelphicus L.	Philadelphia Fleabane
Epilobium anagallidifolium Lam.	pimpernel willowherb
Prunus pensylvanica L. f.	Pin Cherry
Calamagrostis rubescens Buckley	Pinegrass
Hymenoxys richardsonii (Hook.) Cockerell	pingue rubberweed
Phyllodoce empetriformis (Sm.) D. Don	pink mountainheath
Chenopodium atrovirens Rydb.	pinyon goosefoot
Gayophytum ramosissimum Torr. & A. Gray	pinyon groundsmoke
Chimaphila umbellata (L.) W.P.C. Barton	pipsissewa
Chenopodium berlandieri Moq.	Pitseed Goosefoot
Astragalus gilviflorus Sheldon	plains milkvetch
Asclepias pumila (A. Gray) Vail	plains milkweed
Muhlenbergia cuspidata (Torr. ex Hook.) Rydb.	plains muhly
Allium perdulce S.V. Fraser	plains onion
Opuntia polyacantha Haw.	plains pricklypear
Calamagrostis montanensis Scribn. ex Vasey	plains reedgrass
Froelichia floridana (Nutt.) Moq.	plains snakecotton
Pyrrocoma uniflora (Hook.) Greene	Plantain Goldenweed
Potentilla plattensis Nutt.	Platte River cinquefoil
Astragalus plattensis Nutt.	Platte River milkvetch
Gentiana affinis Griseb.	pleated gentian
Suckleya suckleyana (Torr.) Rydb.	poison suckleya
Pinus ponderosa Lawson & C. Lawson	Ponderosa Pine
Hesperostipa spartea (Trin.) Barkworth	Porcupinegrass
Bromus porteri (J.M. Coult.) Nash	Porter brome
Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood	poverty dropseed
Danthonia spicata (L.) P. Beauv. ex Roem. & Schult.	Poverty Oatgrass
Juncus tenuis Willd.	poverty rush
Iva axillaris Pursh	povertyweed
Atriplex powellii S. Watson	Powell's saltweed
Mertensia lanceolata (Pursh) DC.	Prairie Bluebells
Spartina pectinata Bosc ex Link	Prairie Cordgrass
Sporobolus heterolepis (A. Gray) A. Gray	Prairie Dropseed
Nothocalais cuspidata (Pursh) Greene	prairie false dandelion
Erigeron strigosus Muhl. ex Willd.	Prairie Fleabane
Solidago ptarmicoides (Torr. & A.Gray) B.Boivin	Prairie Goldenrod
Physalis pumila var. hispida (Waterf.) J.R.Sullivan	Prairie Groundcherry
Packera plattensis (Nutt.) W.A. Weber & Á. Löve	prairie groundsel
Koeleria macrantha (Ledeb.) Schult.	Prairie Junegrass
Phlox andicola E.E. Nelson	prairie phlox
Lechea stricta Leggett ex Britton	prairie pinweed
Rosa arkansana Porter	prairie rose
Calamovilfa longifolia (Hook.) Scribn.	Prairie Sandreed
Carex prairea Dewey ex Alph. Wood	prairie sedge
Tradescantia occidentalis (Britton) Smyth	Prairie Spiderwort
Helianthus petiolaris Nutt.	Prairie Sunflower
Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson	prairie thermopsis
Cirsium canescens Nutt.	prairie thistle
Aristida oligantha Michx.	Prairie Threeawn
Glandularia bipinnatifida (Nutt.) Nutt.	Prairie Verbena
Viola pedatifida G. Don	prairie violet
Sphenopholis obtusata (Michx.) Scribn.	Prairie Wedgescale
Salix humilis Marshall	Prairie Willow
Ribes lacustre (Pers.) Poir.	prickly currant
Rosa acicularis Lindl.	Prickly Rose
Amaranthus albus L.	Prostrate Pigweed
Sporobolus neglectus Nash	puffsheath dropseed
Muhlenbergia filiformis (Thurb. ex S. Watson) Rydb.	pullup muhly
Geum rivale L.	Purple Avens
Pellaea atropurpurea (L.) Link	Purple Cliffbrake
Oxytropis lambertii Pursh	purple locoweed
Eragrostis spectabilis (Pursh) Steud.	purple lovegrass
Thalictrum dasycarpum Fisch. & Avé-Lall.	Purple Meadow-rue
Astragalus agrestis Douglas ex G. Don	purple milkvetch
Mimulus lewisii Pursh	purple monkeyflower
Saxifraga oppositifolia L.	purple mountain saxifrage
Melica spectabilis Scribn.	purple oniongrass
Dalea purpurea Vent.	purple prairie clover
Calamagrostis purpurascens R. Br.	purple reedgrass
Aristida purpurea Nutt.	Purple Threeawn
Suaeda calceoliformis (Hook.) Moq.	Pursh Seepweed
Ranunculus pygmaeus Wahlenb.	Pygmy Buttercup
Gentiana prostrata Haenke	Pygmy Gentian
Androsace septentrionalis L.	pygmyflower rockjasmine
Populus tremuloides Michx.	Quaking Aspen
Cryptantha affinis (A. Gray) Greene	quill cryptantha
Carex tenera Dewey	quill sedge
Antennaria racemosa Hook.	raceme pussytoes
Botrychium virginianum (L.) Sw.	Rattlesnake Fern
Symphyotrichum ciliatum (Ledeb.) G.L. Nesom	Rayless Alkali Aster
Xanthisma grindelioides (Nutt.) D.R.Morgan & R.L.Hartm.	Rayless Tansyaster
Carex raynoldsii Dewey	Raynolds' sedge
Actaea rubra (Aiton) Willd.	Red Baneberry
Aquilegia canadensis L.	Red Columbine	✓
Sambucus racemosa L.	Red Elderberry
Festuca rubra L.	Red Fescue
Oxybasis rubra (L.) S.Fuentes, Uotila & Borsch	Red Goosefoot
Salicornia rubra A. Nelson	red swampfire
Cornus sericea L.	Red-Osier Dogwood
Rhodiola rhodantha (A. Gray) H. Jacobsen	Redpod Stonecrop
Cyperus erythrorhizos Muhl.	redroot flatsedge
Claytonia rubra (Howell) Tidestr.	redstem springbeauty
Polanisia dodecandra (L.) DC.	redwhisker clammyweed
Plantago eriopoda Torr.	redwool plantain
Phalaris arundinacea L.	Reed Canary Grass
Physaria reediana O'Kane & Al-Shehbaz	Reed's Twinpod
Juncus regelii Buchenau	Regel's rush
Betula glandulosa Michx.	Resin Birch
Leersia oryzoides (L.) Sw.	rice cutgrass
Heuchera richardsonii R. Br.	Richardson's Alumroot
Geranium richardsonii Fisch. & Trautv.	Richardson's geranium
Achnatherum richardsonii (Link) Barkworth	Richardson's needlegrass
Potamogeton richardsonii (Benn.) Rydb.	Richardson's pondweed
Carex richardsonii R. Br.	Richardson's sedge
Senecio riddellii Torr. & A. Gray	Riddell's ragwort
Bolboschoenus fluviatilis (Torr.) Soják	River Bulrush
Vitis riparia Michx.	Riverbank Grape
Carex stenoptila F.J. Herm.	Riverbank Sedge
Agrimonia striata Michx.	Roadside Agrimony
Clematis columbiana (Nutt.) Torr. & A. Gray	rock clematis
Cleomella serrulata (Pursh) Roalson & J.C.Hall	Rocky Mountain Beeplant
Liatris ligulistylis (A. Nelson) K. Schum.	Rocky Mountain blazing star
Schoenoplectiella saximontana (Fernald) Lye	Rocky Mountain bulrush
Douglasia montana A. Gray	Rocky Mountain dwarf-primrose
Festuca saximontana Rydb.	Rocky Mountain fescue
Gentianopsis thermalis (Kuntze) Iltis	Rocky Mountain Fringed Gentian
Solidago multiradiata Aiton	Rocky Mountain goldenrod
Packera streptanthifolia (Greene) W.A. Weber & Á. Löve	Rocky Mountain Groundsel
Conioselinum scopulorum (A. Gray) J.M. Coult. & Rose	Rocky Mountain Hemlockparsley
Iris missouriensis Nutt.	Rocky Mountain Iris
Juniperus scopulorum Sarg.	Rocky Mountain Juniper
Acer glabrum Torr.	Rocky Mountain Maple
Navarretia saximontana S.C. Spencer	Rocky Mountain Pincushion-plant
Antennaria media Greene	Rocky Mountain pussytoes
Juncus saximontanus A. Nelson	Rocky Mountain rush
Carex saximontana Mack.	Rocky Mountain sedge
Epilobium saximontanum Hausskn.	Rocky Mountain willowherb
Woodsia scopulina D.C. Eaton	Rocky Mountain woodsia
Heterotheca fulcrata (Greene) Shinners	rockyscree false goldenaster
Geum rossii (R. Br.) Ser.	Ross' Avens
Carex rossii Boott	Ross' sedge
Antennaria rosea Greene	rosy pussytoes
Echinochloa muricata (P. Beauv.) Fernald	rough barnyardgrass
Agrostis scabra Willd.	Rough Bentgrass
Liatris aspera Michx.	rough blazing star
Lycopus asper Greene	Rough Bugleweed
Xanthium strumarium L.	rough cocklebur
Hedeoma hispida Pursh	Rough False Pennyroyal
Amaranthus tuberculatus (Moq.) Sauer	Roughfruit Amaranth
Prosartes trachycarpa S. Watson	roughfruit fairybells
Oryzopsis asperifolia Michx.	roughleaf ricegrass
Heuchera cylindrica Douglas ex Hook.	roundleaf alumroot
Mimulus glabratus Kunth	roundleaf monkeyflower
Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird	rubber rabbitbrush
Lygodesmia juncea (Pursh) D. Don ex Hook.	rush skeletonplant
Shepherdia canadensis (L.) Nutt.	Russet Buffaloberry
Lupinus pusillus Pursh	rusty lupine
Arnica rydbergii Greene	Rydberg's arnica
Erigeron rydbergii Cronquist	Rydberg's Fleabane
Penstemon rydbergii A. Nelson	Rydberg's Penstemon
Ranunculus glaberrimus Hook.	sagebrush buttercup
Nothocalais troximoides (A. Gray) Greene	sagebrush false dandelion
Viola vallicola A. Nelson	sagebrush violet
Salix candida Flueggé ex Willd.	sageleaf willow
Stuckenia pectinata (L.) Börner	Sago Pondweed
Atriplex dioica Raf.	Saline Saltbush
Heliotropium curassavicum L.	salt heliotrope
Distichlis spicata (L.) Greene	Saltgrass
Andropogon hallii Hack.	sand bluestem
Sporobolus cryptandrus (Torr.) A. Gray	sand dropseed
Eragrostis trichodes (Nutt.) Alph. Wood	Sand Lovegrass
Asclepias arenaria Torr.	sand milkweed
Artemisia filifolia Torr.	sand sagebrush
Salix interior Rowlee	Sandbar Willow
Poa secunda J. Presl	Sandberg Bluegrass
Prunus pumila L.	Sandcherry
Cryptantha fendleri (A. Gray) Greene	sanddune cryptantha
Erysimum capitatum (Douglas ex Hook.) Greene	Sanddune Wallflower
Muhlenbergia pungens Thurb.	sandhill muhly
Carex sartwellii Dewey	Sartwell's sedge
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem.	Saskatoon serviceberry
Penstemon glaber Pursh	Sawsepal Penstemon
Cuscuta gronovii Willd. ex Schult.	Scaldweed
Liatris squarrosa (L.) Michx.	Scaly Blazing Star
Oenothera suffrutescens (Moc. & Sessé ex Ser.) W.L.Wagner & Hoch	Scarlet Beeblossom
Sphaeralcea coccinea (Nutt.) Rydb.	scarlet globemallow
Antennaria aromatica Evert	scented pussytoes
Cyperus schweinitzii Torr.	Schweinitz's flatsedge
Hypericum scouleri Hook.	Scouler's St. Johnswort
Salix scouleriana Barratt ex Hook.	Scouler's willow
Hieracium scouleri Hook.	Scouler's Woollyweed
Equisetum hyemale L.	scouringrush horsetail
Corydalis aurea Willd.	scrambled eggs
Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi	Scratchgrass
Lysimachia maritima (L.) Galasso, Banfi & Soldano	Sea Milkwort
Mimulus guttatus DC.	Seep Monkeyflower
Calochortus nuttallii Torr. & A. Gray	Sego Lily
Polygala senega L.	Seneca snakeroot
Onoclea sensibilis L.	Sensitive Fern
Atriplex confertifolia (Torr. & Frém.) S. Watson	Shadscale Saltbush
Evolvulus nuttallianus Schult.	shaggy dwarf morning-glory

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