Home » Search: All Plants Native in North American Deserts

5320 Plants Found

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Ordered by scientific name.

Scientific NameCommon Name†Map‡
Oligomeris linifolia (Vahl) J.F. Macbr.lineleaf whitepuff
Olneya tesota A. GrayDesert Ironwood
Olsynium douglasii (A. Dietr.) E.P. BicknellDouglas' grasswidow
Ophioglossum engelmannii Prantllimestone adderstongue
Ophioglossum polyphyllum A. Braunlarge adderstongue
Ophioglossum pusillum Raf.northern adderstongue
Oplopanax horridus (Sm.) Miq.Devilsclub
Opuntia ×spinosibacca Pricklypear
Opuntia atrispina Griffithsborder pricklypear
Opuntia aureispina (Brack & K.D. Heil) Pinkava & ParfittRio Grande pricklypear
Opuntia basilaris Engelm. & J.M. Bigelowbeavertail pricklypear
Opuntia chisosensis (Anthony) D.J. FergusonChisos Mountain pricklypear
Opuntia chlorotica Engelm. & J.M. Bigelowdollarjoint pricklypear
Opuntia edwardsii V.E. Grant & K.A. GrantEdwards' Pricklypear
Opuntia engelmannii Salm-Dyck ex Engelm.Cactus Apple
Opuntia fragilis (Nutt.) Haw.brittle pricklypear
Opuntia macrocentra Engelm.purple pricklypear
Opuntia macrorhiza Engelm.twistspine pricklypear
Opuntia phaeacantha Engelm.tulip pricklypear
Opuntia polyacantha Haw.plains pricklypear
Opuntia rufida Engelm.blind pricklypear
Opuntia santa-rita (Griffiths & Hare) RoseSanta Rita pricklypear
Opuntia strigil Engelm.marblefruit pricklypear
Opuntia tortispina Engelm. & J.M.BigelowGrassland Pricklypear
Oreocarya confertiflora GreeneBasin Yellow Perennial Cat's-Eye
Oreocarya flava A.NelsonPlateau Yellow Perennial Cat's-Eye
Oreocarya flavoculata A.NelsonRoughseed Cryptantha
Oreocarya fulvocanescens (S.Watson) GreeneTawny Cryptantha
Oreocarya humilis (A.Gray) GreeneRound-Spike Perennial Cat's-Eye
Oreocarya oblata (M.E.Jones) J.F.Macbr.Rough Perennial Cat's-Eye
Oreocarya suffruticosa var. setosa (M.E.Jones) R.B.KelleyJames' Perennial Cat's-Eye
Oreocarya tumulosa PaysonNew York Mountain Cat's-Eye
Oreochrysum parryi (A. Gray) Rydb.Parry's goldenrod
Oreostemma alpigenum (Torr. & A. Gray) Greenetundra aster
Orobanche californica Cham. & Schltdl.California broomrape
Orobanche cooperi (A. Gray) A. Hellerdesert broomrape
Orobanche corymbosa (Rydb.) Ferrisflat-top broomrape
Orobanche fasciculata Nutt.clustered broomrape
Orobanche ludoviciana Nutt.Louisiana Broomrape
Orobanche multicaulis Brandegeespiked broomrape
Orobanche riparia L.T. CollinsRiver Broomrape
Orobanche uniflora L.oneflowered broomrape
Orogenia linearifolia S. WatsonGreat Basin Indian potato
Orthilia secunda (L.) Housesidebells wintergreen
Orthocarpus barbatus CottonGrand Coulee owl's-clover
Orthocarpus cuspidatus Greenetoothed 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 depauperata Phil.bluntseed sweetroot
Osmorhiza longistylis (Torr.) DC.longstyle sweetroot
Osmorhiza occidentalis (Nutt. ex Torr. & A. Gray) Torr.western sweetroot
Ostrya knowltonii Sarg.Knowlton's hophornbeam
Oxalis albicans Kunthradishroot woodsorrel
Oxalis caerulea (Small) R. KnuthBlue Woodsorrel
Oxalis decaphylla Kunthtenleaf woodsorrel
Oxalis drummondii A. GrayDrummond's woodsorrel
Oxalis intermedia A. Rich.West Indian woodsorrel
Oxybasis rubra (L.) S.Fuentes, Uotila & BorschRed Goosefoot
Oxypolis fendleri (A. Gray) A. HellerFendler's Cowbane
Oxypolis rigidior (L.) Raf.stiff 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 lagopus Nutt.haresfoot locoweed
Oxytropis lambertii Purshpurple 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 cana (Hook.) W.A. Weber & Á. Lövewoolly groundsel
Packera crocata (Rydb.) W.A. Weber & Á. LöveSaffron Ragwort
Packera cynthioides (Greene) W.A. Weber & Á. LöveWhite Mountain ragwort
Packera dimorphophylla (Greene) W.A. Weber & Á. LöveSplitleaf Groundsel
Packera fendleri (A. Gray) W.A. Weber & Á. LöveFendler's Ragwort
Packera hartiana (A. Heller) W.A. Weber & Á. LöveHart's ragwort
Packera millelobata (Rydb.) W.A. Weber & Á. LöveUinta ragwort
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 obovata (Muhl. ex Willd.) W.A. Weber & Á. Löveroundleaf ragwort
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 pseudaurea (Rydb.) W.A. Weber & Á. Lövefalsegold groundsel
Packera quercetorum (Greene) C. JeffreyOak Creek ragwort
Packera streptanthifolia (Greene) W.A. Weber & Á. LöveRocky Mountain Groundsel
Packera subnuda (DC.) D.K. Trock & T.M. BarkleyBuek's groundsel
Packera tampicana (DC.) C. JeffreyGreat Plains ragwort
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 callosa (Nutt.) Torr. & A. Graysmall palafox
Palafoxia riograndensis CoryRio Grande palafox
Palafoxia rosea (Bush) Coryrosy palafox
Palafoxia sphacelata (Nutt. ex Torr.) Coryothake
Panicum bulbosum KunthBulb Panicgrass
Panicum capillare L.Witchgrass
Panicum diffusum Sw.West Indian panicgrass
Panicum hallii VaseyHall's panicgrass
Panicum havardii VaseyHavard's Panicgrass
Panicum urvilleanum Kunthdesert panicgrass
Panicum virgatum L.Switchgrass
Pappophorum bicolor Fourn.pink pappusgrass
Pappophorum vaginatum Buckleywhiplash pappusgrass
Pappostipa speciosa (Trin. & Rupr.) Romasch.Desert Needlegrass
Parietaria pensylvanica Muhl. ex Willd.Pennsylvania Pellitory
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 monticola CoryLivermore nailwort
Paronychia sessiliflora Nutt.creeping nailwort
Paronychia wilkinsonii S. WatsonWilkinson's nailwort
Parryella filifolia Torr. & A. Gray ex A. GrayCommon Dunebroom
Parthenium argentatum A. Grayguayule
Parthenium confertum A. GrayGray's feverfew
Parthenium incanum KunthMariola
Parthenium ligulatum (M.E. Jones) BarnebyColorado Feverfew
Parthenocissus heptaphylla (Buckley) Britton ex Smallsevenleaf creeper
Pascopyrum smithii (Rydb.) Á. LöveWestern Wheatgrass
Paspalum distichum L.knotgrass
Paspalum plicatulum Michx.brownseed paspalum
Paspalum pubiflorum Rupr. ex Fourn.hairyseed paspalum
Paspalum setaceum Michx.thin paspalum
Passiflora affinis Engelm.bracted passionflower
Passiflora tenuiloba Engelm.birdwing passionflower
Pavonia lasiopetala ScheeleTexas swampmallow
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 peninsularis I.M. Johnst.peninsular pectocarya
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 bracteosa Benth.bracted lousewort
Pedicularis centranthera A. Graydwarf lousewort
Pedicularis contorta Benth.coiled lousewort
Pedicularis crenulata Benth.Meadow Lousewort
Pedicularis groenlandica Retz.Elephanthead Lousewort
Pedicularis langsdorffii Fisch. ex Stev.Langsdorf's Lousewort
Pedicularis parryi A. GrayParry's Lousewort
Pedicularis procera A. Graygiant lousewort
Pedicularis pulchella PennellMountain Lousewort
Pedicularis racemosa Douglas ex Benth.Sickletop Lousewort
Pedicularis semibarbata A. Graypinewoods lousewort
Pediocactus nigrispinus (Hochstätter) Hochstättersnowball cactus
Pediocactus simpsonii (Engelm.) Britton & RoseMountain Ball Cactus
Pediomelum aromaticum (Payson) W.A. WeberAromatic Indian Breadroot
Pediomelum castoreum (S. Watson) Rydb.Beaver Indian Breadroot
Pediomelum cuspidatum (Pursh) Rydb.largebract Indian breadroot
Pediomelum latestipulatum (Shinners) MahlerTexas Plains Indian breadroot
Pediomelum megalanthum (Wooton & Standl.) Rydb.Intermountain Indian Breadroot
Pediomelum pariense (S.L. Welsh & N.D. Atwood) J. GrimesParia River Indian Breadroot
Pediomelum pentaphyllum (L.) Rydb.small Indian breadroot
Pediomelum rhombifolium (Torr. & A. Gray) Rydb.Gulf Indian breadroot
Pediomelum tenuiflorum (Pursh) A.N.EganSlimflower Scurfpea
Peganum mexicanum A. Graygarbancillo
Pellaea atropurpurea (L.) LinkPurple Cliffbrake
Pellaea breweri D.C. EatonBrewer's cliffbrake
Pellaea cordifolia (Sessé & Moc.) A.R. Sm.heartleaf cliffbrake
Pellaea glabella Mett. ex Kuhnsmooth cliffbrake
Pellaea intermedia Mett. ex Kuhnintermediate cliffbrake
Pellaea mucronata (D.C. Eaton) D.C. Eatonbirdfoot cliffbrake
Pellaea ternifolia (Cav.) LinkTrans-Pecos 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 acaulis L.O. WilliamsStemless Beardtongue
Penstemon acuminatus Douglas ex Lindl.Sharpleaf Penstemon
Penstemon alamosensis Pennell & NisbetLos Alamos Beardtongue
Penstemon albomarginatus M.E. JonesWhitemargin Beardtongue
Penstemon ambiguus Torr.gilia beardtongue
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 baccharifolius Hook.baccharisleaf beardtongue
Penstemon barbatus (Cav.) Rothbeardlip penstemon
Penstemon barnebyi N.H. HolmgrenWhite River Valley Beardtongue
Penstemon bicolor (Brandegee) Clokey & D.D. KeckPinto Beardtongue
Penstemon breviculus (D.D. Keck) Nisbet & R.C. Jacks.Shortstem Beardtongue
Penstemon buckleyi PennellBuckley's Beardtongue
Penstemon caespitosus Nutt. ex A. GrayMat Penstemon
Penstemon calcareus BrandegeeLimestone Beardtongue
Penstemon cardinalis Wooton & Standl.Cardinal Beardtongue
Penstemon carnosus PennellFleshy Beardtongue
Penstemon caryi PennellCary's Beardtongue
Penstemon centranthifolius (Benth.) Benth.scarlet bugler
Penstemon clevelandii A. GrayCleveland's beardtongue
Penstemon comarrhenus A. GrayDusty Beardtongue
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 dasyphyllus A. GrayCochise beardtongue
Penstemon davidsonii GreeneDavidson's penstemon
Penstemon deaveri Crosswh.Mt. Graham Beardtongue
Penstemon deustus Douglas ex Lindl.Scabland Penstemon
Penstemon diphyllus Rydb.Twoleaf Beardtongue
Penstemon dolius M.E. Jones ex PennellJones' Beardtongue
Penstemon eatonii A. GrayFirecracker Penstemon
Penstemon eriantherus PurshFuzzytongue Penstemon
Penstemon fendleri Torr. & A. GrayFendler's Penstemon
Penstemon floridus BrandegeePanamint Beardtongue
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 glandulosus DouglasStickystem Penstemon
Penstemon globosus (Piper) Pennell & D.D. KeckGlobe Penstemon
Penstemon grahamii D.D. KeckUinta Basin Beardtongue
Penstemon havardii A. GrayBig Bend beardtongue
Penstemon heterodoxus A. GraySierra Beardtongue
Penstemon humilis Nutt. ex A. GrayLow Beardtongue
Penstemon immanifestus N.H. HolmgrenSteptoe Valley Beardtongue
Penstemon jamesii Benth.James' beardtongue
Penstemon janishiae N.H. HolmgrenAntelope Valley Beardtongue
Penstemon kingii S. WatsonKing's 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 linarioides A. Graytoadflax penstemon
Penstemon longiflorus (Pennell) S.L. ClarkLongflower Penstemon
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 montanus GreeneCordroot Beardtongue
Penstemon moriahensis N.H. HolmgrenMt. Moriah Beardtongue
Penstemon nanus D.D. KeckDwarf Beardtongue
Penstemon newberryi A. GrayMountain Pride
Penstemon nitidus Douglas ex Benth.waxleaf penstemon
Penstemon oliganthus Wooton & Standl.Apache Beardtongue
Penstemon ophianthus PennellCoiled Anther Penstemon
Penstemon pachyphyllus A. Gray ex Rydb.Thickleaf Beardtongue
Penstemon pahutensis N.H. HolmgrenPaiute Beardtongue
Penstemon palmeri A. GrayPalmer's Penstemon
Penstemon parryi (A. Gray) A. GrayParry's 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 perpulcher A. NelsonMinidoka Beardtongue
Penstemon petiolatus BrandegeePetiolate Beardtongue
Penstemon pinifolius Greenepineneedle beardtongue
Penstemon platyphyllus Rydb.Broadleaf Beardtongue
Penstemon pratensis GreeneWestern Whiteflower Beardtongue
Penstemon procerus Douglas ex Grahamlittleflower penstemon
Penstemon pruinosus Douglas ex Lindl.Chelan beardtongue
Penstemon pseudospectabilis M.E. Jonesdesert penstemon
Penstemon radicosus A. NelsonMatroot Penstemon
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 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 strictiformis Rydb.Mancos Penstemon
Penstemon strictus Benth.Rocky Mountain Penstemon
Penstemon subulatus M.E. JonesHackberry 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 virgatus A. Grayupright blue beardtongue
Penstemon watsonii A. GrayWatson's Penstemon
Penstemon whippleanus A. GrayWhipple's Penstemon
Penstemon wilcoxii Rydb.Wilcox's Penstemon
Penstemon wrightii Hook.Wright's Beardtongue
Penstemon yampaensis Penl.Yampa Beardtongue
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 lemmonii (J.M. Coult. & Rose) T.I. Chuang & ConstanceLemmon's yampah
Perideridia parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr.Parish's yampah
Perityle aglossa A. Graybluff rockdaisy
Perityle angustifolia (A. Gray) Shinnersnarrow-leaved rockdaisy
Perityle bisetosa (Torr. ex A. Gray) Shinnerstwobristle rockdaisy
Perityle cernua (Greene) ShinnersOrgan Mountain rockdaisy
Perityle cinerea (A. Gray) A. Powellgray rockdaisy
Perityle congesta (M.E. Jones) ShinnersGrand Canyon Rockdaisy
Perityle coronopifolia A. Graycrowfoot rockdaisy
Perityle dissecta (Torr.) A. Graydissected rockdaisy
Perityle emoryi Torr.Emory's rockdaisy
Perityle gracilis (M.E. Jones) Rydb.Three-Lobed Rockdaisy
Perityle huecoensis A. PowellHueco rockdaisy
Perityle intricata (Brandegee) ShinnersNarrowleaf Laphamia
Perityle megalocephala (S. Watson) J.F. Macbr.Nevada Rockdaisy
Perityle parryi A. GrayParry's rockdaisy
Perityle quinqueflora (Steyerm.) Shinnersfiveflower rockdaisy
Perityle rupestris (A. Gray) Shinnersleafy 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 vaseyi J.M. Coult.Vasey's rockdaisy
Perityle vitreomontana WarnockGlass Mountain rockdaisy
Persicaria amphibia (L.) DelarbreWater Knotweed
Persicaria glabra (Willd.) M.GómezSmooth Knotweed
Persicaria hydropiperoides (Michx.) SmallSwamp Smartweed
Persicaria lapathifolia (L.) DelarbrePale Smartweed
Petalonyx linearis Greenenarrowleaf sandpaper plant
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 caespitosum (Nutt.) Rydb.mat rockspirea
Petrophytum cinerascens (Piper) Rydb.halfshrub rockmat
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 arizonica A. GrayArizona phacelia
Phacelia barnebyana J.T. HowellBarneby's Phacelia
Phacelia bicolor Torr. ex S. WatsonTwocolor Phacelia
Phacelia bombycina Wooton & Standl.Mangas Spring phacelia
Phacelia campanularia A. GrayDesertbells
Phacelia cephalotes A. GrayVirgin Phacelia
Phacelia cicutaria Greenecaterpillar phacelia
Phacelia coerulea GreeneSkyblue Phacelia
Phacelia congesta Hook.caterpillars
Phacelia constancei N.D. AtwoodConstance's Phacelia
Phacelia crenulata Torr. ex S. Watsoncleftleaf wildheliotrope
Phacelia cryptantha GreeneHiddenflower Phacelia
Phacelia curvipes Torr. ex S. WatsonWashoe phacelia
Phacelia davidsonii A. GrayDavidson's phacelia
Phacelia demissa A. GrayIntermountain Phacelia
Phacelia distans Benth.distant phacelia
Phacelia franklinii (R. Br.) A. GrayFranklin's phacelia
Phacelia fremontii Torr.Fremont's Phacelia
Phacelia geraniifolia BrandGeraniumleaf Phacelia
Phacelia glaberrima (Torr. ex S. Watson) J.T. HowellSouthwestern Phacelia
Phacelia glandulifera Pipersticky phacelia
Phacelia glandulosa Nutt.Glandular Phacelia
Phacelia gymnoclada Torr. ex S. WatsonNakedstem Phacelia
Phacelia hastata Douglas ex Lehm.Silverleaf Phacelia
Phacelia heterophylla Purshvarileaf phacelia
Phacelia howelliana N.D. AtwoodHarlequin Phacelia
Phacelia humilis Torr. & A. Graylow phacelia
Phacelia incana BrandHoary Phacelia
Phacelia inconspicua GreeneHidden Phacelia
Phacelia infundibuliformis Torr.Rio Grande phacelia
Phacelia integrifolia Torr.gypsum phacelia
Phacelia inundata J.T. HowellPlaya Yellow Phacelia
Phacelia ivesiana Torr.Ives' Phacelia
Phacelia laxiflora J.T. HowellDozing Phacelia
Phacelia leibergii BrandLeiberg's Phacelia
Phacelia lemmonii A. GrayLemmon's Phacelia
Phacelia lenta Pipersticky phacelia
Phacelia leptosepala Rydb.narrowsepal phacelia
Phacelia linearis (Pursh) Holz.threadleaf phacelia
Phacelia lutea (Hook. & Arn.) J.T. HowellYellow Phacelia
Phacelia minor (Harv.) Thell.wild canterbury bells
Phacelia minutissima L.F. Hend.Small Phacelia
Phacelia monoensis HalseMono Phacelia
Phacelia neglecta M.E. Jonesalkali phacelia
Phacelia neomexicana Thurb. ex Torr.New Mexico phacelia
Phacelia pachyphylla A. Grayblacktack phacelia
Phacelia pallida I.M. Johnst.pale phacelia
Phacelia palmeri Torr. ex S. WatsonPalmer's Phacelia
Phacelia parishii A. GrayParish's Phacelia
Phacelia patuliflora (Engelm. & A. Gray) A. Graysand phacelia
Phacelia pedicellata A. Graypedicellate phacelia
Phacelia peirsoniana J.T. HowellHandsome Phacelia
Phacelia pinkavae N.D. AtwoodPinkava's phacelia
Phacelia popei Torr. & A. GrayPope's phacelia
Phacelia pulchella A. GrayBeautiful Phacelia
Phacelia rafaelensis N.D. AtwoodPlateau Phacelia
Phacelia ramosissima Douglas ex Lehm.branching phacelia
Phacelia rattanii A. GrayRattan's phacelia
Phacelia robusta (J.F. Macbr.) I.M. Johnst.stout phacelia
Phacelia rotundifolia Torr. ex S. Watsonroundleaf phacelia
Phacelia rupestris Greenerock phacelia
Phacelia salina (A. Nelson) J.T. HowellBitter Creek Phacelia
Phacelia saxicola A. GrayStonecrop Phacelia
Phacelia scopulina (A. Nelson) J.T. HowellDebeque Phacelia
Phacelia sericea (Graham) A. Graysilky phacelia
Phacelia serrata J. VossSaw Phacelia
Phacelia splendens Eastw.Patch Phacelia
Phacelia tanacetifolia Benth.lacy phacelia
Phacelia tetramera J.T. Howellfourpart phacelia
Phacelia thermalis GreeneHeated Phacelia
Phacelia vallis-mortae J. VossDeath Valley phacelia
Phalaris arundinacea L.Reed Canary Grass
Phalaris lemmonii VaseyLemmon's canarygrass
Phanerophlebia auriculata Underw.eared veinfern
Phanerophlebia umbonata Underw.bellybutton veinfern
Phaseolus acutifolius A. Graytepary bean
Phaseolus angustissimus A. Grayslimleaf bean
Phaseolus filiformis Benth.slimjim bean
Phaseolus maculatus Scheelespotted bean
Phaseolus pedicellatus Benth.Sonoran Bean
Phemeranthus aurantiacus (Engelm.) Kigerorange fameflower
Phemeranthus brevicaulis (S. Watson) Kigerdwarf fameflower
Phemeranthus brevifolius (Torr.) HershkovitzPygmy Fameflower
Phemeranthus confertiflorus (Greene) HershkovitzNew Mexico fameflower
Phemeranthus longipes (Wooton & Standl.) Kigerpink fameflower
Phemeranthus spinescens (Torr.) Hershkovitzspiny fameflower
Philadelphus hitchcockianus HuHitchcock's Mock Orange
Philadelphus lewisii PurshLewis' mock orange
Philadelphus madrensis Hemsl.desert mountain mock orange
Philadelphus mearnsii W.H. Evans ex KoehneMearns' Mock Orange
Philadelphus microphyllus A. Graylittleleaf mock orange
Philadelphus palmeri Rydb.Palmer's mock orange
Philadelphus serpyllifolius A. Graythymeleaf mock orange
Phleum alpinum L.Alpine Timothy
Phlox aculeata A. Nelsonsagebrush phlox
Phlox andicola E.E. Nelsonprairie phlox
Phlox austromontana Covillemountain phlox
Phlox cluteana A. NelsonNavajo Mountain Phlox
Phlox colubrina Wherry & ConstanceSnake River phlox
Phlox condensata (A. Gray) E.E. NelsonDwarf Phlox
Phlox diffusa Benth.spreading phlox
Phlox drummondii Hook.Annual Phlox
Phlox griseola WherryGrayleaf Phlox
Phlox hoodii Richardsonspiny phlox
Phlox kelseyi BrittonKelsey's Phlox
Phlox longifolia Nutt.longleaf phlox
Phlox mesoleuca Greenethreadleaf phlox
Phlox multiflora A. Nelsonflowery phlox
Phlox nana Nutt.Santa Fe phlox
Phlox opalensis DornOpal Phlox
Phlox pilosa L.Downy Phlox
Phlox pulvinata (Wherry) CronquistCushion Phlox
Phlox pungens DornPrickly Phlox
Phlox roemeriana Scheelegoldeneye phlox
Phlox speciosa Purshshowy phlox
Phlox stansburyi (Torr.) A. Hellercold-desert phlox
Phlox tenuifolia E.E. NelsonSanta Catalina Mountain phlox
Phlox viscida E.E. Nelsonsticky phlox
Phoenicaulis cheiranthoides Nutt.wallflower phoenicaulis
Pholisma arenarium Nutt. ex Hook.desert christmas tree
Pholisma sonorae (Torr. ex A. Gray) Yatsk.sandfood
Pholistoma auritum (Lindl.) Liljablue fiestaflower
Pholistoma membranaceum (Benth.) Constancewhite fiestaflower
Phoradendron bolleanum (Seem.) Eichl.Bollean mistletoe
Phoradendron californicum Nutt.mesquite mistletoe
Phoradendron capitellatum Torr. ex Trel.downy mistletoe
Phoradendron hawksworthii (Wiens) WiensHawksworth's mistletoe
Phoradendron juniperinum Engelm. ex A. GrayJuniper Mistletoe
Phoradendron leucarpum (Raf.) Reveal & M.C. Johnst.Oak Mistletoe
Phragmites americanus (Saltonst., P.M.Peterson & Soreng) A.HainesAmerican Common Reed
Phyla cuneifolia (Torr.) Greenewedgeleaf
Phyla fruticosa (Mill.) Kennedydiamondleaf fogfruit
Phyla lanceolata (Michx.) GreeneLanceleaf Fogfruit
Phyllanthopsis arida (Warnock & M.C. Johnst.) Voronts. & Petra Hoffm.Trans-Pecos maidenbush

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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

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