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7558 Plants Found

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Ordered by scientific name.

Scientific NameCommon NameMap‡
Orobanche ludoviciana Nutt.Louisiana Broomrape
Orobanche parishii (Jeps.) HeckardParish's broomrape
Orobanche pinorum Geyer ex Hook.conifer broomrape
Orobanche riparia L.T. CollinsRiver Broomrape
Orobanche uniflora L.One-flowered Broomrape
Orobanche valida Jeps.Rock Creek broomrape
Orobanche vallicola (Jeps.) Heckardhillside broomrape
Orochaenactis thysanocarpha (A. Gray) CovilleCalifornia Mountainpincushion
Orogenia linearifolia S. WatsonGreat Basin Indian potato
Orthilia secunda (L.) Housesidebells wintergreen
Orthocarpus barbatus CottonGrand Coulee owl's-clover
Orthocarpus bracteosus Benth.Rosy Owl's-Clover
Orthocarpus cuspidatus Greenetoothed owl's-clover
Orthocarpus imbricatus Torr. ex S. WatsonMountain Owl's-Clover
Orthocarpus luteus Nutt.yellow owl's-clover
Orthocarpus purpureoalbus A. Gray ex S. WatsonPurplewhite Owl's-Clover
Orthocarpus tenuifolius (Pursh) Benth.thinleaved owl's-clover
Orthocarpus tolmiei Hook. & Arn.Tolmie's Owl's-Clover
Oryctes nevadensis S. WatsonNevada Oryctes
Oryzopsis asperifolia Michx.roughleaf ricegrass
Osmorhiza berteroi DC.sweetcicely
Osmorhiza brachypoda Torr.California sweetcicely
Osmorhiza depauperata Phil.bluntseed sweetroot
Osmorhiza longistylis (Torr.) DC.Aniseroot
Osmorhiza occidentalis (Nutt. ex Torr. & A. Gray) Torr.western sweetroot
Osmorhiza purpurea (J.M. Coult. & Rose) Suksd.Purple Sweetroot
Ostrya knowltonii Sarg.Knowlton's hophornbeam
Oxalis albicans Kunthradishroot woodsorrel
Oxalis caerulea (Small) R. KnuthBlue Woodsorrel
Oxalis corniculata L.Creeping Woodsorrel
Oxalis decaphylla Kunthtenleaf woodsorrel
Oxalis dillenii Jacq.Slender Yellow Woodsorrel
Oxalis intermedia A. Rich.West Indian woodsorrel
Oxalis pes-caprae L.Bermuda buttercup
Oxalis stricta L.Common Yellow Oxalis
Oxalis suksdorfii Trel.Suksdorf Woodsorrel
Oxalis trilliifolia Hook.threeleaf woodsorrel
Oxalis violacea L.Violet Woodsorrel
Oxybasis rubra (L.) S.Fuentes, Uotila & BorschRed Goosefoot
Oxypolis fendleri (A. Gray) A. HellerFendler's Cowbane
Oxypolis occidentalis J.M. Coult. & Rosewestern cowbane
Oxyria digyna (L.) HillAlpine Mountainsorrel
Oxytheca dendroidea Nutt.Narrowleaf Oxytheca
Oxytheca perfoliata Torr. & A. Grayroundleaf oxytheca
Oxytheca watsonii Torr. & A. GrayWatson's Oxytheca
Oxytropis besseyi (Rydb.) Blank.Bessey's locoweed
Oxytropis borealis DC.boreal locoweed
Oxytropis campestris (L.) DC.Field Locoweed
Oxytropis deflexa (Pall.) DC.nodding locoweed
Oxytropis glabra DC.Oxus Locoweed
Oxytropis lagopus Nutt.haresfoot locoweed
Oxytropis lambertii Purshpurple locoweed
Oxytropis monticola A. Grayyellowflower locoweed
Oxytropis multiceps Nutt.Nuttall's Oxytrope
Oxytropis nana Nutt.Wyoming Locoweed
Oxytropis oreophila A. GrayMountain Oxytrope
Oxytropis parryi A. GrayParry's Oxytrope
Oxytropis podocarpa A. GrayStalkpod Locoweed
Oxytropis sericea Nutt.white locoweed
Oxytropis splendens Douglas ex Hook.showy locoweed
Packera bolanderi (A. Gray) W.A. Weber & Á. LöveBolander's ragwort
Packera cana (Hook.) W.A. Weber & Á. Lövewoolly groundsel
Packera cardamine (Greene) W.A. Weber & Á. LöveBittercress Ragwort
Packera castoreus (S.L. Welsh) KarteszBeaver Mountain Ragwort
Packera contermina (Greenm.) J.F. BainNorthwestern Groundsel
Packera crocata (Rydb.) W.A. Weber & Á. LöveSaffron Ragwort
Packera cynthioides (Greene) W.A. Weber & Á. LöveWhite Mountain ragwort
Packera debilis (Nutt.) W.A. Weber & Á. LöveWeak Groundsel
Packera dimorphophylla (Greene) W.A. Weber & Á. LöveSplitleaf Groundsel
Packera eurycephala (Torr. & A. Gray) W.A. Weber & Á. Lövewidehead groundsel
Packera fendleri (A. Gray) W.A. Weber & Á. LöveFendler's Ragwort
Packera flettii (Wiegand) W.A. Weber & Á. LöveFlett's ragwort
Packera franciscana (Greene) W.A. Weber & Á. LöveSan Francisco Peaks Ragwort
Packera hartiana (A. Heller) W.A. Weber & Á. LöveHart's ragwort
Packera indecora (Greene) Á. Löve & D. Löveelegant groundsel
Packera macounii (Greene) W.A. Weber & Á. LöveSiskiyou Mountain ragwort
Packera malmstenii (S.F. Blake ex Tidestr.) KarteszPodunk Ragwort
Packera mancosana L. Yeatts, B. Schneider, & Al Schneid.Mancos Shale Packera
Packera multilobata (Torr. & A. Gray ex A. Gray) W.A. Weber & Á. LöveLobeleaf Groundsel
Packera neomexicana (A. Gray) W.A. Weber & Á. LöveNew Mexico groundsel
Packera pauciflora (Pursh) Á. Löve & D. Lövealpine groundsel
Packera paupercula (Michx.) Á. Löve & D. LöveBalsam Groundsel
Packera plattensis (Nutt.) W.A. Weber & Á. Löveprairie groundsel
Packera porteri (Greene) C. JeffreyPorter's Groundsel
Packera pseudaurea (Rydb.) W.A. Weber & Á. Lövefalsegold groundsel
Packera quercetorum (Greene) C. JeffreyOak Creek ragwort
Packera sanguisorboides (Rydb.) W.A. Weber & Á. LöveBurnet Ragwort
Packera streptanthifolia (Greene) W.A. Weber & Á. LöveRocky Mountain Groundsel
Packera subnuda (DC.) D.K. Trock & T.M. BarkleyBuek's groundsel
Packera thurberi (A.Gray) B.L.TurnerThreetooth Ragwort
Packera werneriifolia (A. Gray) W.A. Weber & Á. LöveHoary Groundsel
Paeonia brownii Douglas ex Hook.Brown's peony
Palafoxia arida B.L. Turner & Morrisdesert palafox
Palafoxia sphacelata (Nutt. ex Torr.) Coryothake
Panicum amarum ElliottBitter Panicgrass
Panicum antidotale Retz.blue panicum
Panicum bulbosum KunthBulb Panicgrass
Panicum capillare L.Witchgrass
Panicum dichotomiflorum Michx.Fall Panicgrass
Panicum flexile (Gattinger) Scribn.wiry panicgrass
Panicum hallii VaseyHall's panicgrass
Panicum hirticaule J. PreslMexican panicgrass
Panicum miliaceum L.proso millet
Panicum mohavense J. ReederMojave Panicgrass
Panicum virgatum L.Switchgrass
Papaver dubium L.blindeyes
Papaver glaucum Boiss. & Hausskn.Tulip Poppy
Papaver orientale L.Oriental poppy
Papaver refractum (DC.) K.-F.GüntherSpotted Asian Poppy
Papaver rhoeas L.corn poppy
Papaver somniferum L.opium poppy
Pappostipa speciosa (Trin. & Rupr.) Romasch.Desert Needlegrass
Parietaria pensylvanica Muhl. ex Willd.Pennsylvania Pellitory
Parkinsonia aculeata L.Jerusalem Thorn
Parkinsonia florida (Benth. ex A. Gray) S. Watsonblue paloverde
Parkinsonia microphylla Torr.yellow paloverde
Parnassia cirrata PiperSan Bernardino Grass Of Parnassus
Parnassia fimbriata K.D. KoenigFringed Grass of Parnassus
Parnassia kotzebuei Cham. ex Spreng.Kotzebue's Grass Of Parnassus
Parnassia palustris L.marsh grass of Parnassus
Paronychia depressa (Torr. & A. Gray) Nutt. ex A. NelsonSpreading Nailwort
Paronychia jamesii Torr. & A. GrayJames' nailwort
Paronychia pulvinata A. GrayRocky Mountain Nailwort
Paronychia sessiliflora Nutt.creeping nailwort
Parryella filifolia Torr. & A. Gray ex A. GrayCommon Dunebroom
Parthenium alpinum (Nutt.) Torr. & A. GrayAlpine Feverfew
Parthenium confertum A. GrayGray's feverfew
Parthenium incanum KunthMariola
Parthenium ligulatum (M.E. Jones) BarnebyColorado Feverfew
Parthenocissus quinquefolia (L.) Planch.Virginia Creeper
Parthenocissus vitacea (Knerr) Hitchc.Woodbine
Pascopyrum smithii (Rydb.) Á. LöveWestern Wheatgrass
Paspalum dilatatum Poir.dallisgrass
Paspalum distichum L.knotgrass
Paspalum setaceum Michx.thin paspalum
Paspalum urvillei Steud.Vasey's grass
Passiflora caerulea L.bluecrown passionflower
Pastinaca sativa L.Wild Parsnip
Paulownia tomentosa (Thunb.) Siebold & Zucc. ex Steud.Princess Tree
Paxistima myrsinites (Pursh) Raf.Oregon boxleaf
Pectis angustifolia Torr.lemonscent
Pectis cylindrica (Fernald) Rydb.Sonoran chinchweed
Pectis filipes Harv. & A. Grayfivebract chinchweed
Pectis longipes A. Graylongstalk chinchweed
Pectis papposa Harv. & A. Graymanybristle chinchweed
Pectis prostrata Cav.Spreading Chinchweed
Pectis rusbyi Greene ex A. GrayRusby's chinchweed
Pectocarya heterocarpa (I.M. Johnst.) I.M. Johnst.Chuckwalla Combseed
Pectocarya linearis (Ruiz & Pav.) DC.sagebrush combseed
Pectocarya penicillata (Hook. & Arn.) A. DC.sleeping combseed
Pectocarya platycarpa (Munz & I.M. Johnst.) Munz & I.M. Johnst.broadfruit combseed
Pectocarya pusilla (A. DC.) A. Graylittle combseed
Pectocarya recurvata I.M. Johnst.curvenut combseed
Pectocarya setosa A. Graymoth combseed
Pedicularis angustifolia Benth.Mogollon Mountain Lousewort
Pedicularis attollens A. GrayLittle Elephantshead
Pedicularis bracteosa Benth.bracted lousewort
Pedicularis centranthera A. Graydwarf lousewort
Pedicularis contorta Benth.coiled lousewort
Pedicularis crenulata Benth.Meadow Lousewort
Pedicularis cystopteridifolia Rydb.Fernleaved Pedicularis
Pedicularis densiflora Benth. ex Hook.Indian warrior
Pedicularis groenlandica Retz.Elephanthead Lousewort
Pedicularis langsdorffii Fisch. ex Stev.Langsdorf's Lousewort
Pedicularis oederi Vahl ex Hornem.Oeder's Lousewort
Pedicularis ornithorhyncha Benth.ducksbill lousewort
Pedicularis parryi A. GrayParry's Lousewort
Pedicularis procera A. Graygiant lousewort
Pedicularis pulchella PennellMountain Lousewort
Pedicularis racemosa Douglas ex Benth.Sickletop Lousewort
Pedicularis rainierensis Pennell & WarrenMt. Rainier lousewort
Pedicularis semibarbata A. Graypinewoods lousewort
Pediocactus bradyi L.D. BensonBrady's Pincushion Cactus
Pediocactus bradyi subsp. winkleri (K.D.Heil) Hochstätter ex D.R.HuntWinkler's Pincushion Cactus
Pediocactus despainii S.L. Welsh & GoodrichDespain's Pincushion Cactus
Pediocactus knowltonii L.D. BensonKnowlton's Miniature Cactus
Pediocactus nigrispinus (Hochstätter) Hochstättersnowball cactus
Pediocactus paradinei B.W. BensonKaibab Pincushion Cactus
Pediocactus peeblesianus (Croizat) L.D. BensonNavajo Pincushion Cactus
Pediocactus sileri (Engelm. ex J.M. Coult.) L.D. BensonSiler Pincushion Cactus
Pediocactus simpsonii (Engelm.) Britton & RoseMountain Ball Cactus
Pediomelum argophyllum (Pursh) J. Grimessilverleaf Indian breadroot
Pediomelum aromaticum (Payson) W.A. WeberAromatic Indian Breadroot
Pediomelum californicum (S. Watson) Rydb.California Indian breadroot
Pediomelum castoreum (S. Watson) Rydb.Beaver Indian Breadroot
Pediomelum esculentum (Pursh) Rydb.large Indian breadroot
Pediomelum hypogaeum (Nutt. ex Torr. & A. Gray) Rydb.subterranean Indian breadroot
Pediomelum megalanthum (Wooton & Standl.) Rydb.Intermountain Indian Breadroot
Pediomelum mephiticum (S. Watson) Rydb.Skunktop
Pediomelum pariense (S.L. Welsh & N.D. Atwood) J. GrimesParia River Indian Breadroot
Pediomelum tenuiflorum (Pursh) A.N.EganSlimflower Scurfpea
Peganum harmala L.harmal peganum
Pellaea andromedifolia (Kaulf.) Féecoffee cliffbrake
Pellaea atropurpurea (L.) LinkPurple Cliffbrake
Pellaea brachyptera (T. Moore) BakerSierra cliffbrake
Pellaea breweri D.C. EatonBrewer's cliffbrake
Pellaea glabella Mett. ex Kuhnsmooth cliffbrake
Pellaea intermedia Mett. ex Kuhnintermediate cliffbrake
Pellaea mucronata (D.C. Eaton) D.C. Eatonbirdfoot cliffbrake
Pellaea truncata Gooddingspiny cliffbrake
Pellaea wrightiana Hook.Wright's cliffbrake
Peniocereus greggii (Engelm.) Britton & Rosenightblooming cereus
Pennellia longifolia (Benth.) Rollinslongleaf mock thelypody
Pennellia micrantha (A. Gray) Nieuwl.mountain mock thelypody
Penstemon abietinus PennellFirleaf Beardtongue
Penstemon absarokensis EvertAbsaroka Range Beardtongue
Penstemon acaulis L.O. WilliamsStemless Beardtongue
Penstemon acuminatus Douglas ex Lindl.Sharpleaf Penstemon
Penstemon albertinus GreeneAlberta beardtongue
Penstemon albidus Nutt.white penstemon
Penstemon albomarginatus M.E. JonesWhitemargin Beardtongue
Penstemon ambiguus Torr.gilia beardtongue
Penstemon ammophilus N.H. Holmgren & L.M. ShultzSandloving Penstemon
Penstemon angustifolius Nutt. ex PurshBroadbeard Beardtongue
Penstemon arenarius GreeneNevada Sanddune Beardtongue
Penstemon arenicola A. NelsonSand Penstemon
Penstemon aridus Rydb.Stiffleaf Penstemon
Penstemon attenuatus Douglas ex Lindl.Sulphur Penstemon
Penstemon atwoodii S.L. WelshKaiparowits Beardtongue
Penstemon auriberbis PennellColorado Beardtongue
Penstemon azureus Benth.Azure Penstemon
Penstemon barbatus (Cav.) Rothbeardlip penstemon
Penstemon barnebyi N.H. HolmgrenWhite River Valley Beardtongue
Penstemon barrettiae A. GrayBarrett's Beardtongue
Penstemon bicolor (Brandegee) Clokey & D.D. KeckPinto Beardtongue
Penstemon bracteatus D.D. KeckRed Canyon Beardtongue
Penstemon bradburyi PurshLarge-flowered Beardtongue
Penstemon breviculus (D.D. Keck) Nisbet & R.C. Jacks.Shortstem Beardtongue
Penstemon caesius A. GraySan Bernardino Beardtongue
Penstemon caespitosus Nutt. ex A. GrayMat Penstemon
Penstemon calcareus BrandegeeLimestone Beardtongue
Penstemon cardwellii HowellCardwell's Beardtongue
Penstemon carnosus PennellFleshy Beardtongue
Penstemon caryi PennellCary's Beardtongue
Penstemon cinicola D.D. KeckAsh Penstemon
Penstemon clutei A. NelsonSunset Crater Beardtongue
Penstemon cobaea Nutt.Prairie Penstemon
Penstemon comarrhenus A. GrayDusty Beardtongue
Penstemon compactus (D.D. Keck) Crosswh.Compact Penstemon
Penstemon concinnus D.D. KeckTunnel Springs Beardtongue
Penstemon confertus Douglas ex Lindl.Yellow Penstemon
Penstemon confusus M.E. JonesOwens Valley Beardtongue
Penstemon crandallii A. NelsonCrandall's Beardtongue
Penstemon cusickii A. GrayCusick's Beardtongue
Penstemon cyananthus Hook.Wasatch Beardtongue
Penstemon cyaneus PennellBlue Penstemon
Penstemon cyanocaulis PaysonBluestem Beardtongue
Penstemon cyathophorus Rydb.Sagebrush Beardtongue
Penstemon davidsonii GreeneDavidson's penstemon
Penstemon deaveri Crosswh.Mt. Graham Beardtongue
Penstemon debilis O'Kane & J.L. AndersonParachute Beardtongue
Penstemon deustus Douglas ex Lindl.Scabland Penstemon
Penstemon diphyllus Rydb.Twoleaf Beardtongue
Penstemon distans N.H. HolmgrenMt. Tumbull Beardtongue
Penstemon dolius M.E. Jones ex PennellJones' Beardtongue
Penstemon eatonii A. GrayFirecracker Penstemon
Penstemon elegantulus PennellRockvine Penstemon
Penstemon ellipticus J.M. Coult. & Fisherrocky ledge penstemon
Penstemon eriantherus PurshFuzzytongue Penstemon
Penstemon euglaucus EnglishGlaucous Beardtongue
Penstemon fendleri Torr. & A. GrayFendler's Penstemon
Penstemon flavescens PennellHigh Mountain Penstemon
Penstemon floribundus D. DanleyCordillia's Beardtongue
Penstemon floridus BrandegeePanamint Beardtongue
Penstemon flowersii Neese & S.L. WelshFlowers' Beardtongue
Penstemon franklinii S.L. WelshFranklin's Penstemon
Penstemon fremontii Torr. & A. Gray ex A. GrayFremont's Beardtongue
Penstemon fruticiformis CovilleDeath Valley Beardtongue
Penstemon fruticosus (Pursh) Greenebush penstemon
Penstemon gairdneri Hook.Gairdner's Beardtongue
Penstemon gibbensii DornGibbens' Beardtongue
Penstemon glaber PurshSawsepal Penstemon
Penstemon glandulosus DouglasStickystem Penstemon
Penstemon glaucinus PennellBlueleaf Beardtongue
Penstemon globosus (Piper) Pennell & D.D. KeckGlobe Penstemon
Penstemon goodrichii N.H. HolmgrenLapoint Beardtongue
Penstemon gracilentus A. GraySlender Penstemon
Penstemon gracilis Nutt.Lilac Penstemon
Penstemon grahamii D.D. KeckUinta Basin Beardtongue
Penstemon griffinii A. NelsonGriffin's Beardtongue
Penstemon grinnellii Eastw.Grinnell's beardtongue
Penstemon hallii A. GrayHall's Beardtongue
Penstemon harbourii A. GrayHarbour's Beardtongue
Penstemon harringtonii Penl.Harrington's Beardtongue
Penstemon haydenii S. WatsonBlowout Beardtongue
Penstemon heterodoxus A. GraySierra Beardtongue
Penstemon heterophyllus Lindl.Bunchleaf Penstemon
Penstemon humilis Nutt. ex A. GrayLow Beardtongue
Penstemon idahoensis N.D. Atwood & S.L. WelshIdaho Beardtongue
Penstemon immanifestus N.H. HolmgrenSteptoe Valley Beardtongue
Penstemon incertus BrandegeeMojave Beardtongue
Penstemon inflatus Crosswh.Inflated Beardtongue
Penstemon jamesii Benth.James' beardtongue
Penstemon janishiae N.H. HolmgrenAntelope Valley Beardtongue
Penstemon kingii S. WatsonKing's Beardtongue
Penstemon labrosus (A. Gray) Hook. f.San Gabriel Beardtongue
Penstemon laetus A. GrayMountain Blue Penstemon
Penstemon laevis PennellSouthwestern Beardtongue
Penstemon lanceolatus Benth.Lanceleaf Beardtongue
Penstemon laricifolius Hook. & Arn.Larchleaf Beardtongue
Penstemon laxus A. NelsonTufted Penstemon
Penstemon leiophyllus PennellSmoothleaf Beardtongue
Penstemon lentus PennellHandsome Beardtongue
Penstemon leonardii Rydb.Leonard's Beardtongue
Penstemon leptanthus PennellSevier Plateau Beardtongue
Penstemon linarioides A. Graytoadflax penstemon
Penstemon longiflorus (Pennell) S.L. ClarkLongflower Penstemon
Penstemon lyallii (A. Gray) A. GrayLyall's beardtongue
Penstemon marcusii (D.D. Keck) N.H. HolmgrenMarcus' Beardtongue
Penstemon mensarum PennellTiger Beardtongue
Penstemon miser A. GrayMalheur Penstemon
Penstemon moffatii Eastw.Moffatt's Beardtongue
Penstemon monoensis A. HellerMono Penstemon
Penstemon montanus GreeneCordroot Beardtongue
Penstemon moriahensis N.H. HolmgrenMt. Moriah Beardtongue
Penstemon nanus D.D. KeckDwarf Beardtongue
Penstemon navajoa N.H. HolmgrenNavajo Mountain Beardtongue
Penstemon neomexicanus Wooton & Standl.New Mexico Beardtongue
Penstemon neotericus D.D. KeckPlumas County Beardtongue
Penstemon newberryi A. GrayMountain Pride
Penstemon nitidus Douglas ex Benth.waxleaf penstemon
Penstemon nudiflorus A. GrayFlagstaff Beardtongue
Penstemon oliganthus Wooton & Standl.Apache Beardtongue
Penstemon ophianthus PennellCoiled Anther Penstemon
Penstemon osterhoutii PennellOsterhout's Beardtongue
Penstemon ovatus Douglas ex Hook.eggleaf beardtongue
Penstemon pachyphyllus A. Gray ex Rydb.Thickleaf Beardtongue
Penstemon pahutensis N.H. HolmgrenPaiute Beardtongue
Penstemon palmeri A. GrayPalmer's Penstemon
Penstemon papillatus J.T. HowellInyo Beardtongue
Penstemon parviflorus PennellMontezuma County Beardtongue
Penstemon parvus PennellAquarius Plateau Beardtongue
Penstemon patens (M.E. Jones) N.H. HolmgrenLone Pine Beardtongue
Penstemon payettensis A. Nelson & J.F. Macbr.Payette Beardtongue
Penstemon paysoniorum D.D. KeckPayson's Beardtongue
Penstemon peckii PennellPeck's Beardtongue
Penstemon pennellianus D.D. KeckBlue Mountain Beardtongue
Penstemon perpulcher A. NelsonMinidoka Beardtongue
Penstemon personatus D.D. KeckClosethroat Beardtongue
Penstemon petiolatus BrandegeePetiolate Beardtongue
Penstemon pinifolius Greenepineneedle beardtongue
Penstemon pinorum L.M. Shultz & J.S. ShultzPine Valley Penstemon
Penstemon platyphyllus Rydb.Broadleaf Beardtongue
Penstemon pratensis GreeneWestern Whiteflower Beardtongue
Penstemon procerus Douglas ex Grahamlittleflower penstemon
Penstemon pruinosus Douglas ex Lindl.Chelan beardtongue
Penstemon pseudoparvus Crosswh.Mt. Washington Beardtongue
Penstemon pseudoputus (Crosswh.) N.H. HolmgrenKaibab Plateau Beardtongue
Penstemon pseudospectabilis M.E. Jonesdesert penstemon
Penstemon pudicus Reveal & BeatleyKawich Range Beardtongue
Penstemon pumilus Nutt.Salmon River Beardtongue
Penstemon putus A. NelsonBlack River Beardtongue
Penstemon radicosus A. NelsonMatroot Penstemon
Penstemon retrorsus Payson ex PennellAdobe Hills Beardtongue
Penstemon rhizomatosus N.H. HolmgrenScheel Creek Beardtongue
Penstemon richardsonii Douglas ex Lindl.cutleaf beardtongue
Penstemon roezlii RegelRoezl's Penstemon
Penstemon rostriflorus KelloggBridge penstemon
Penstemon rubicundus D.D. KeckWassuk Range Beardtongue
Penstemon rupicola (Piper) HowellCliff Beardtongue
Penstemon rydbergii A. NelsonRydberg's Penstemon
Penstemon saxosorum PennellUpland Beardtongue
Penstemon scapoides D.D. KeckPinyon Beardtongue
Penstemon scariosus PennellWhite River Beardtongue
Penstemon secundiflorus Benth.Sidebells Penstemon
Penstemon seorsus (A. Nelson) D.D. KeckShortlobe Penstemon
Penstemon sepalulus A. NelsonLittlecup Beardtongue
Penstemon serrulatus Menzies ex Sm.serrulate penstemon
Penstemon speciosus Douglas ex Lindl.Royal Penstemon
Penstemon stephensii BrandegeeStephens' Penstemon
Penstemon strictiformis Rydb.Mancos Penstemon
Penstemon strictus Benth.Rocky Mountain Penstemon
Penstemon subglaber Rydb.Smooth Penstemon
Penstemon subserratus PennellFinetooth Beardtongue
Penstemon subulatus M.E. JonesHackberry Beardtongue
Penstemon sudans M.E. JonesSusanville Beardtongue
Penstemon superbus A. Nelsonsuperb beardtongue
Penstemon teucrioides GreeneGermander Beardtongue
Penstemon thompsoniae (A. Gray) Rydb.Thompson's Beardtongue
Penstemon thurberi Torr.Thurber's penstemon
Penstemon tidestromii PennellTidestrom's Beardtongue
Penstemon tiehmii N.H. HolmgrenTiehm's Beardtongue
Penstemon triphyllus Douglas ex Lindl.Riggin's Penstemon
Penstemon uintahensis PennellUinta Mountain Beardtongue
Penstemon unilateralis Rydb.Oneside Penstemon
Penstemon utahensis Eastw.Utah Penstemon
Penstemon venustus Douglas ex Lindl.Venus Penstemon
Penstemon virens Pennell ex Rydb.Front Range Beardtongue
Penstemon virgatus A. Grayupright blue beardtongue
Penstemon wardii A. GrayWard's Beardtongue
Penstemon washingtonensis D.D. KeckWashington Beardtongue
Penstemon watsonii A. GrayWatson's Penstemon
Penstemon whippleanus A. GrayWhipple's Penstemon
Penstemon wilcoxii Rydb.Wilcox's Penstemon
Penstemon xylus A.NelsonTushar Range Beardtongue
Penstemon yampaensis Penl.Yampa Beardtongue
Pentagramma pallida (Weath.) Yatsk., Windham & E. Wollenw.Pale Silverback Fern
Pentagramma triangularis "(Kaulf.) Yatsk.goldback fern
Peraphyllum ramosissimum Nutt.Wild Crab Apple
Pericome caudata A. Graymountain tail-leaf
Perideridia bolanderi (A. Gray) A. Nelson & J.F. Macbr.Bolander's yampah
Perideridia gairdneri (Hook. & Arn.) MathiasGardner's yampah
Perideridia howellii (J.M. Coult. & Rose) MathiasHowell's yampah
Perideridia kelloggii (A. Gray) MathiasKellogg's yampah
Perideridia lemmonii (J.M. Coult. & Rose) T.I. Chuang & ConstanceLemmon's yampah
Perideridia oregana (S. Watson) MathiasOregon yampah
Perideridia parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr.Parish's yampah
Perityle ciliata (L.H. Dewey) Rydb.Fringed Rockdaisy
Perityle congesta (M.E. Jones) ShinnersGrand Canyon Rockdaisy
Perityle coronopifolia A. Graycrowfoot rockdaisy
Perityle emoryi Torr.Emory's rockdaisy
Perityle gracilis (M.E. Jones) Rydb.Three-Lobed Rockdaisy
Perityle intricata (Brandegee) ShinnersNarrowleaf Laphamia
Perityle inyoensis (Ferris) A. PowellInyo Rockdaisy
Perityle megalocephala (S. Watson) J.F. Macbr.Nevada Rockdaisy
Perityle specuicola S.L. Welsh & NeeseAlcove Rockdaisy
Perityle stansburyi (A. Gray) J.F. Macbr.Stansbury's Rockdaisy
Perityle staurophylla (Barneby) ShinnersNew Mexico rockdaisy
Perityle tenella (M.E. Jones) J.F. Macbr.Springdale Rockdaisy
Perityle villosa (S.F. Blake) ShinnersHanaupah Rockdaisy
Persicaria amphibia (L.) DelarbreWater Knotweed
Persicaria arifolia (L.) HaraldsonHalberdleaf Tearthumb
Persicaria hydropiper (L.) DelarbreMarshpepper Knotweed
Persicaria hydropiperoides (Michx.) SmallSwamp Smartweed
Persicaria lapathifolia (L.) DelarbrePale Smartweed
Persicaria maculosa GraySpotted Ladysthumb
Persicaria orientalis (L.) SpachKiss Me Over The Garden Gate
Persicaria punctata (Elliott) SmallDotted Smartweed
Persicaria sagittata (L.) H.GrossArrowleaf Tearthumb
Persicaria setacea (Baldwin) SmallBog Smartweed
Petalonyx nitidus S. WatsonShinyleaf Sandpaper Plant
Petalonyx parryi A. GrayParry's Sandpaper Plant
Petalonyx thurberi A. GrayThurber's sandpaper plant
Petasites frigidus (L.) Fr.arctic sweet coltsfoot
Peteria scoparia A. Grayrush peteria
Peteria thompsoniae S. WatsonThompson's Peteria
Petradoria pumila (Nutt.) GreeneRock Goldenrod
Petrophytum acuminatum Rydb.Big Arroyo Rockmat
Petrophytum caespitosum (Nutt.) Rydb.mat rockspirea
Petrophytum cinerascens (Piper) Rydb.halfshrub rockmat
Petrorhagia dubia (Raf.) G. López & Romohairypink
Petrorhagia saxifraga (L.) Linksaxifrage pink
Petroselinum crispum (Mill.) Nyman ex A.W. HillParsley
Peucephyllum schottii A. GraySchott's pygmycedar
Phacelia adenophora J.T. HowellGlandular Yellow Phacelia
Phacelia affinis A. Graylimestone phacelia
Phacelia alba Rydb.white phacelia
Phacelia anelsonii J.F. Macbr.Aven Nelson's Phacelia
Phacelia argillacea N.D. AtwoodAttwood's Phacelia
Phacelia austromontana J.T. HowellSouthern Sierra Phacelia
Phacelia bakeri (Brand) J.F. Macbr.Baker's Phacelia
Phacelia barnebyana J.T. HowellBarneby's Phacelia
Phacelia beatleyae Reveal & ConstanceBeatley's Phacelia
Phacelia bicolor Torr. ex S. WatsonTwocolor Phacelia
Phacelia bombycina Wooton & Standl.Mangas Spring phacelia
Phacelia brachyloba (Benth.) A. Grayshortlobe phacelia
Phacelia buell-vivariensis N.D. AtwoodBuell Park Phacelia
Phacelia calthifolia BrandCalthaleaf Phacelia
Phacelia campanularia A. GrayDesertbells
Phacelia cephalotes A. GrayVirgin Phacelia
Phacelia cicutaria Greenecaterpillar phacelia
Phacelia ciliata Benth.Great Valley phacelia
Phacelia coerulea GreeneSkyblue Phacelia
Phacelia constancei N.D. AtwoodConstance's Phacelia
Phacelia corymbosa Jeps.serpentine phacelia
Phacelia crenulata Torr. ex S. Watsoncleftleaf wildheliotrope
Phacelia cronquistiana S.L. WelshCronquist's Phacelia
Phacelia cryptantha GreeneHiddenflower Phacelia
Phacelia curvipes Torr. ex S. WatsonWashoe phacelia
Phacelia davidsonii A. GrayDavidson's phacelia
Phacelia demissa A. GrayIntermountain Phacelia
Phacelia denticulata Osterh.Rocky Mountain Phacelia
Phacelia distans Benth.distant phacelia
Phacelia douglasii (Benth.) Torr.Douglas' phacelia
Phacelia egena (Greene ex Brand) Greene ex J.T. HowellKaweah River phacelia
Phacelia eisenii BrandegeeEisen's Phacelia
Phacelia filiformis BrandNarrow Phacelia
Phacelia formosula Osterh.Northpark Phacelia
Phacelia franklinii (R. Br.) A. GrayFranklin's phacelia
Phacelia fremontii Torr.Fremont's Phacelia
Phacelia furnissii N.D. AtwoodFurniss's Phacelia
Phacelia glaberrima (Torr. ex S. Watson) J.T. HowellSouthwestern Phacelia
Phacelia glandulifera Pipersticky phacelia
Phacelia glandulosa Nutt.Glandular Phacelia
Phacelia glechomifolia A. GrayPennyroyal Leaf Phacelia
Phacelia gymnoclada Torr. ex S. WatsonNakedstem Phacelia
Phacelia hastata Douglas ex Lehm.Silverleaf Phacelia
Phacelia heterophylla Purshvarileaf phacelia
Phacelia higginsii N.D. AtwoodHiggins's Phacelia
Phacelia howelliana N.D. AtwoodHarlequin Phacelia
Phacelia hughesii N.D. AtwoodHughes's Phacelia
Phacelia humilis Torr. & A. Graylow phacelia
Phacelia hydrophylloides Torr. ex A. Graywaterleaf phacelia
Phacelia idahoensis L.F. Hend.Idaho phacelia
Phacelia imbricata Greeneimbricate phacelia
Phacelia incana BrandHoary Phacelia
Phacelia inconspicua GreeneHidden Phacelia
Phacelia indecora J.T. HowellDrab Phacelia
Phacelia integrifolia Torr.gypsum phacelia
Phacelia inundata J.T. HowellPlaya Yellow Phacelia

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Article Status: ✓ = complete

Range map status: ∅ = No map,
= Our research
, accurate to lv (1,2,3,4) ecoregions,
= excludes Alaska, Canada & Mexico


Map Legend: Native Introduced Extirpated Expanded Native or Not Present Introduced or Not Present Native or Introduced Native or Expanded Expanded or Not Present

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