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7639 Plants Found

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Ordered by scientific name.

Scientific NameCommon NameMap‡
Phacelia affinis A. Graylimestone phacelia
Phacelia alba Rydb.white phacelia
Phacelia amabilis ConstanceSaline Valley Phacelia
Phacelia anelsonii J.F. Macbr.Aven Nelson's Phacelia
Phacelia arizonica A. GrayArizona phacelia
Phacelia austromontana J.T. HowellSouthern Sierra 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 cloudcroftensis N.D. AtwoodCloudcroft Phacelia
Phacelia coerulea GreeneSkyblue Phacelia
Phacelia congdonii GreeneCongdon's Phacelia
Phacelia congesta Hook.caterpillars
Phacelia constancei N.D. AtwoodConstance's 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 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 exilis (A. Gray) G.L. LeeTransverse Range Phacelia
Phacelia filiformis BrandNarrow Phacelia
Phacelia floribunda GreeneSouthern Island Phacelia
Phacelia fremontii Torr.Fremont's Phacelia
Phacelia furnissii N.D. AtwoodFurniss's Phacelia
Phacelia geraniifolia BrandGeraniumleaf Phacelia
Phacelia glaberrima (Torr. ex S. Watson) J.T. HowellSouthwestern Phacelia
Phacelia glandulifera Pipersticky phacelia
Phacelia glechomifolia A. GrayPennyroyal Leaf Phacelia
Phacelia grandiflora (Benth.) A. Graylargeflower 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 hubbyi (J.F. Macbr.) L.M. Garrisoncaterpillar phacelia
Phacelia humilis Torr. & A. Graylow phacelia
Phacelia imbricata Greeneimbricate phacelia
Phacelia incana BrandHoary Phacelia
Phacelia infundibuliformis Torr.Rio Grande phacelia
Phacelia integrifolia Torr.gypsum phacelia
Phacelia inyoensis (J.F. Macbr.) J.T. HowellInyo Phacelia
Phacelia ivesiana Torr.Ives' Phacelia
Phacelia laxiflora J.T. HowellDozing Phacelia
Phacelia lemmonii A. GrayLemmon's Phacelia
Phacelia linearis (Pursh) Holz.threadleaf phacelia
Phacelia longipes Torr. ex A. GrayLongstalk Phacelia
Phacelia lyonii (A. Gray) Rydb.Lyon's Phacelia
Phacelia minor (Harv.) Thell.wild canterbury bells
Phacelia mohavensis A. GrayMojave Phacelia
Phacelia monoensis HalseMono Phacelia
Phacelia mustelina CovilleWeasel Phacelia
Phacelia mutabilis GreeneChangeable Phacelia
Phacelia nashiana Jeps.Charlotte's Phacelia
Phacelia neglecta M.E. Jonesalkali phacelia
Phacelia neomexicana Thurb. ex Torr.New Mexico phacelia
Phacelia novenmillensis MunzNine Mile Canyon 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 parryi Torr.Parry's phacelia
Phacelia patuliflora (Engelm. & A. Gray) A. Graysand phacelia
Phacelia pedicellata A. Graypedicellate phacelia
Phacelia peirsoniana J.T. HowellHandsome Phacelia
Phacelia perityloides CovillePanamint Phacelia
Phacelia pinkavae N.D. AtwoodPinkava's phacelia
Phacelia popei Torr. & A. GrayPope's phacelia
Phacelia pulchella A. GrayBeautiful Phacelia
Phacelia purpusii BrandegeePurpus' phacelia
Phacelia rafaelensis N.D. AtwoodPlateau Phacelia
Phacelia ramosissima Douglas ex Lehm.branching phacelia
Phacelia robusta (J.F. Macbr.) I.M. Johnst.stout phacelia
Phacelia rotundifolia Torr. ex S. Watsonroundleaf phacelia
Phacelia rupestris Greenerock phacelia
Phacelia saxicola A. GrayStonecrop Phacelia
Phacelia sericea (Graham) A. Graysilky phacelia
Phacelia serrata J. VossSaw Phacelia
Phacelia stellaris BrandStar Phacelia
Phacelia tanacetifolia Benth.lacy phacelia
Phacelia tetramera J.T. Howellfourpart phacelia
Phacelia umbrosa GreeneColorado Desert Phacelia
Phacelia vallicola Congd. ex BrandMariposa Phacelia
Phacelia vallis-mortae J. VossDeath Valley phacelia
Phacelia viscida (Benth. ex Lindl.) Torr.tacky phacelia
Phacelia welshii N.D. AtwoodWelsh's Phacelia
Phalaris angusta Nees ex Trin.timothy canarygrass
Phalaris aquatica L.bulbous canarygrass
Phalaris arundinacea L.Reed Canary Grass
Phalaris canariensis L.Annual Canarygrass
Phalaris caroliniana WalterCarolina Canarygrass
Phalaris lemmonii VaseyLemmon's canarygrass
Phalaris minor Retz.littleseed canarygrass
Phalaris paradoxa L.hood 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 parvulus GreenePinos Altos Mountain bean
Phaseolus pedicellatus Benth.Sonoran Bean
Phaseolus ritensis M.E. JonesSanta Rita Mountain bean
Phaseolus vulgaris L.kidney bean
Phemeranthus aurantiacus (Engelm.) Kigerorange fameflower
Phemeranthus brevicaulis (S. Watson) Kigerdwarf fameflower
Phemeranthus brevifolius (Torr.) HershkovitzPygmy Fameflower
Phemeranthus confertiflorus (Greene) HershkovitzNew Mexico fameflower
Phemeranthus humilis (Greene) KigerPinos Altos fameflower
Phemeranthus longipes (Wooton & Standl.) Kigerpink fameflower
Phemeranthus parvulus (Rose & Standl.) D.J. Ferguson & T.M. Pricetepic flameflower
Phemeranthus validulus (Greene) KigerTusayan Fameflower
Philadelphus argyrocalyx Wootonsilvercup mock orange
Philadelphus hitchcockianus HuHitchcock's Mock Orange
Philadelphus lewisii PurshLewis' mock orange
Philadelphus maculatus (C.L. Hitchc.) HuSpotted 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 pumilus Rydb.Dwarf Mock Orange
Philadelphus serpyllifolius A. Graythymeleaf mock orange
Philadelphus wootonii HuWooton's Mock Orange
Phleum alpinum L.Alpine Timothy
Phleum pratense L.Timothy
Phlox amabilis BrandArizona Phlox
Phlox austromontana Covillemountain phlox
Phlox austromontana subsp. jonesii (Wherry) LocklearZion Phlox
Phlox cluteana A. NelsonNavajo Mountain Phlox
Phlox condensata (A. Gray) E.E. NelsonDwarf Phlox
Phlox diffusa Benth.spreading phlox
Phlox dispersa Sharsm.High Sierra Phlox
Phlox dolichantha A. GrayBig Bear Valley Phlox
Phlox drummondii Hook.Annual Phlox
Phlox gladiformis (M.E. Jones) E.E. NelsonMusky Phlox
Phlox griseola WherryGrayleaf Phlox
Phlox longifolia Nutt.longleaf phlox
Phlox mesoleuca Greenethreadleaf phlox
Phlox nana Nutt.Santa Fe phlox
Phlox paniculata L.Fall Phlox
Phlox pilosa L.Downy Phlox
Phlox pulvinata (Wherry) CronquistCushion Phlox
Phlox roemeriana Scheelegoldeneye phlox
Phlox speciosa Purshshowy phlox
Phlox stansburyi (Torr.) A. Hellercold-desert phlox
Phlox tenuifolia E.E. NelsonSanta Catalina Mountain phlox
Phoenicaulis cheiranthoides Nutt.wallflower phoenicaulis
Phoenix canariensis hort. ex ChabaudCanary Island date palm
Phoenix dactylifera L.date palm
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
Pholistoma racemosum (Nutt. ex A. Gray) Constanceracemed 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
Phragmites australis (Cav.) Trin. ex Steud.Eurasian Common Reed
Phyla cuneifolia (Torr.) Greenewedgeleaf
Phyla fruticosa (Mill.) Kennedydiamondleaf fogfruit
Phyla lanceolata (Michx.) GreeneLanceleaf Fogfruit
Phyla nodiflora (L.) Greeneturkey tangle fogfruit
Phyllanthopsis arida (Warnock & M.C. Johnst.) Voronts. & Petra Hoffm.Trans-Pecos maidenbush
Phyllanthopsis phyllanthoides (Nutt.) Voronts. & Petra Hoffm.Missouri Maidenbush
Phyllanthus abnormis Baill.Drummond's leaf-flower
Phyllanthus caroliniensis WalterCarolina leaf-flower
Phyllanthus ericoides Torr.heather leaf-flower
Phyllanthus polygonoides Nutt. ex Spreng.smartweed leaf-flower
Phyllodoce breweri (A. Gray) A. Hellerpurple mountainheath
Phyllodoce empetriformis (Sm.) D. Donpink mountainheath
Phyllospadix scouleri Hook.Scouler's surfgrass
Phyllospadix torreyi S. WatsonTorrey's surfgrass
Physalis acutifolia (Miers) Sandw.Sharpleaf Groundcherry
Physalis angulata L.Cutleaf Groundcherry
Physalis caudella Standl.southwestern groundcherry
Physalis cinerascens (Dunal) Hitchc.Smallflower Groundcherry
Physalis crassifolia Benth.yellow nightshade groundcherry
Physalis grisea (Waterf.) M. MartínezStrawberry-Tomato
Physalis hederifolia A. Grayivyleaf groundcherry
Physalis heterophylla NeesClammy Groundcherry
Physalis longifolia Nutt.Longleaf Groundcherry
Physalis missouriensis Mack. & BushMissouri groundcherry
Physalis philadelphica Lam.Mexican Groundcherry
Physalis pubescens L.Husk Tomato
Physalis subulata Rydb.Chihuahuan groundcherry
Physalis virginiana Mill.Virginia groundcherry
Physalis viscosa L.Starhair Groundcherry
Physaria acutifolia Rydb.sharpleaf twinpod
Physaria chambersii RollinsChambers' Twinpod
Physaria fendleri (A.Gray) O'Kane & Al-ShehbazFendler's Bladderpod
Physaria gordonii (A.Gray) O'Kane & Al-ShehbazGordon's Bladderpod
Physaria kingii subsp. kingii (S.Watson) O'Kane & Al-ShehbazKing Bladderpod
Physaria lepidota RollinsKane County Twinpod
Physaria ludoviciana (Nutt.) O'Kane & Al-ShehbazFoothill Bladderpod
Physaria newberryi A. GrayNewberry's Twinpod
Physaria rectipes (Wooton & Standl) O'Kane & Al-ShehbazStraight Bladderpod
Physaria tenella (A.Nelson) O'Kane & Al-ShehbazMoapa Bladderpod
Physocarpus alternans (M.E. Jones) J.T. HowellDwarf Ninebark
Physocarpus malvaceus (Greene) Kuntzemallow ninebark
Physocarpus monogynus (Torr.) J.M. Coult.mountain ninebark
Physostegia correllii (Lundell) ShinnersCorrell's false dragonhead
Physostegia virginiana (L.) Benth.obedient plant
Phytolacca americana L.American Pokeweed
Phytolacca icosandra L.Tropical Pokeweed
Picea engelmannii Parry ex Engelm.Engelmann Spruce
Picea pungens Engelm.Blue Spruce
Pickeringia montana Nutt. ex Torr. & A. Graychaparral pea
Picradeniopsis oppositifolia (Nutt.) Rydb. ex Brittonoppositeleaf bahia
Picradeniopsis woodhousei (A. Gray) Rydb.Woodhouse's Bahia
Pilostyles thurberi A. GrayThurber's stemsucker
Pilularia americana A. BraunAmerican pillwort
Pinaropappus parvus S.F. Blakesmall rocklettuce
Pinaropappus roseus (Less.) Less.white rocklettuce
Pinus albicaulis Engelm.Whitebark Pine
Pinus aristata Engelm.bristlecone pine
Pinus arizonica Engelm.Arizona pine
Pinus attenuata Lemmonknobcone pine
Pinus balfouriana Balf.Foxtail Pine
Pinus cembroides Zucc.Mexican pinyon
Pinus contorta Douglas ex LoudonLodgepole Pine
Pinus coulteri D. DonCoulter pine
Pinus discolor D.K. Bailey & Hawksw.border pinyon
Pinus edulis Engelm.Twoneedle Pinyon
Pinus engelmannii CarrièreApache pine
Pinus flexilis JamesLimber Pine
Pinus halepensis Mill.aleppo pine
Pinus jeffreyi Balf.Jeffrey Pine
Pinus lambertiana DouglasSugar Pine
Pinus leiophylla Schiede & DeppeChihuahuan pine
Pinus longaeva D.K. BaileyGreat Basin Bristlecone Pine
Pinus monophylla Torr. & Frém.Singleleaf Pinyon
Pinus monticola Douglas ex D. DonWestern White Pine
Pinus muricata D. DonBishop pine
Pinus pinea L.Italian stone pine
Pinus ponderosa Lawson & C. LawsonPonderosa Pine
Pinus quadrifolia Parl. ex Sudw.Parry pinyon
Pinus remota (Little) D.K. Bailey & Hawksw.papershell pinyon
Pinus sabiniana Douglas ex DouglasCalifornia foothill pine
Pinus strobiformis Engelm.southwestern white pine
Pinus torreyana Parry ex CarrièreTorrey Pine
Piperia cooperi (S. Watson) Rydb.Cooper's rein orchid
Piperia elongata Rydb.denseflower rein orchid
Piperia leptopetala Rydb.narrow-petal rein orchid
Piperia transversa Suksd.royal rein orchid
Piperia unalascensis (Spreng.) Rydb.slender-spire orchid
Piptatheropsis exigua (Thurb.) Romasch., P.M. Peterson & R.J. SorengLittle Ricegrass
Piptatheropsis micrantha "(Trin. & Rupr.) Romasch.littleseed ricegrass
Piptatheropsis shoshoneana (Curto & Douglass M. Hend.) Romasch., P.M. Peterson & R.J. SorengShoshone Ricegrass
Piptatherum miliaceum (L.) Coss.smilograss
Piptochaetium fimbriatum (Kunth) Hitchc.pinyon ricegrass
Piptochaetium pringlei (Beal) ParodiPringle's speargrass
Piptochaetium stipoides (Trin. & Rupr.) Hack. ex Arechav.Purple Speargrass
Pisonia capitata (S. Watson) Standl.Mexican Devil's-Claws
Pistacia atlantica Desf.Mt. Atlas Mastic Tree
Pistacia chinensis BungeChinese Pistache
Pistacia mexicana KunthAmerican Pistachio
Pistia stratiotes L.Water Lettuce
Pisum sativum L.Garden Pea
Pittosporum crassifolium Banks & Sol. ex A. Cunn.stiffleaf cheesewood
Pittosporum tobira (Thunb.) W.T. AitonJapanese cheesewood
Pittosporum undulatum Vent.Australian cheesewood
Plagiobothrys acanthocarpus (Piper) I.M. Johnst.adobe popcornflower
Plagiobothrys arizonicus (A. Gray) Greene ex A. GrayArizona popcornflower
Plagiobothrys bracteatus (Howell) I.M. Johnst.Bracted Popcornflower
Plagiobothrys canescens Benth.valley popcornflower
Plagiobothrys collinus (Phil.) I.M. Johnst.Cooper's popcornflower
Plagiobothrys fulvus (Hook. & Arn.) I.M. Johnst.fulvous popcornflower
Plagiobothrys humistratus (Greene) I.M. Johnst.dwarf popcornflower
Plagiobothrys infectivus I.M. Johnst.dye popcornflower
Plagiobothrys jonesii A. GrayMojave popcornflower
Plagiobothrys leptocladus (Greene) I.M. Johnst.finebranched popcornflower
Plagiobothrys nitens (Greene) I.M. Johnst.Shiny-Nutlet Popcornflower
Plagiobothrys nothofulvus (A. Gray) A. Grayrusty popcornflower
Plagiobothrys parishii I.M. Johnst.Parish's Popcornflower
Plagiobothrys pringlei GreenePringle's popcornflower
Plagiobothrys reticulatus (Piper) I.M. Johnst.netted popcornflower
Plagiobothrys salsus (Brandegee) I.M. Johnst.Salty Popcornflower
Plagiobothrys scriptus (Greene) I.M. Johnst.scribe popcornflower
Plagiobothrys stipitatus (Greene) I.M. Johnst.stalked popcornflower
Plagiobothrys tenellus (Nutt. ex Hook.) A. GrayPacific popcornflower
Plagiobothrys torreyi (A. Gray) A. GrayTorrey's Popcornflower
Plagiobothrys trachycarpus (A. Gray) I.M. Johnst.roughfruit popcornflower
Plagiobothrys undulatus (Piper) I.M. Johnst.artist's popcornflower
Planodes virginicum (L.) GreeneVirginia Winged Rockcress
Plantago arenaria Waldst. & Kit.sand plantain
Plantago argyrea MorrisSaltmeadow Plantain
Plantago aristata Michx.Largebracted Plantain
Plantago australis Lam.Mexican plantain
Plantago bigelovii A. GrayCoast Plantain
Plantago coronopus L.Buckhorn Plantain
Plantago erecta Morrisdotseed plantain
Plantago eriopoda Torr.redwool plantain
Plantago firma Kunze ex Walp.Chilean plantain
Plantago helleri SmallHeller's plantain
Plantago hookeriana Fisch. & C.A. Mey.California Plantain
Plantago lanceolata L.Narrowleaf Plantain
Plantago major L.Common Plantain
Plantago ovata Forssk.desert Indianwheat
Plantago patagonica Jacq.Woolly Plantain
Plantago pusilla Nutt.Dwarf Plantain
Plantago rhodosperma Decne.redseed plantain
Plantago rugelii Decne.Blackseed Plantain
Plantago subnuda Pilg.tall coastal plantain
Plantago tweedyi A. GrayTweedy's Plantain
Plantago virginica L.Virginia Plantain
Plantago wrightiana Decne.Wright's plantain
Platanthera aquilonis Sheviaknorthern green orchid
Platanthera brevifolia (Greene) KranzlinShortflowered Bog Orchid
Platanthera huronensis (Nutt.) Lindl.Huron green orchid
Platanthera limosa Lindl.Thurber's bog orchid
Platanthera sparsiflora (S. Watson) Schltr.sparse-flowered bog orchid
Platanthera tescamnis Sheviak & W.F. Jenn.Intermountain Bog Orchid
Platanthera zothecina (Higgins & S.L. Welsh) Kartesz & GandhiAlcove Bog Orchid
Platanus ×hispanica Mill. ex Münchh.London Planetree
Platanus occidentalis L.American Sycamore
Platanus racemosa Nutt.California sycamore
Platanus wrightii S. WatsonArizona sycamore
Plateilema palmeri (A. Gray) Cockerellplateilema
Platycladus orientalis (L.) FrancoOriental Arborvitae
Platystemon californicus Benth.Creamcups
Platystigma lineare Benth.Narrowleaf Queen Poppy
Plecostachys serpyllifolia (P.J. Bergius) Hilliard & B.L. Burttpetite licorice
Plectocephalus americanus (Nutt.) D.DonAmerican Star-thistle
Plectocephalus rothrockii (Greenm.) D.J.N.HindRothrock's Knapweed
Plectritis ciliosa (Greene) Jeps.longspur seablush
Plectritis congesta (Lindl.) DC.shortspur seablush
Plectritis macrocera Torr. & A. GrayLonghorn Plectritis
Pleiacanthus spinosus (Nutt.) Rydb.Thorn Skeletonweed
Pleopeltis polylepis (Roem. ex Kunze) T. Mooreredscale scaly polypody
Pleopeltis riograndensis (T. Wendt) Andrews & WindhamRio Grande scaly polypody
Pleuraphis mutica Buckleytobosagrass
Pleuraphis rigida Thurb.big galleta
Pleuricospora fimbriolata A. Grayfringed pinesap
Pleurocoronis pluriseta (A. Gray) R.M. King & H. Rob.bush arrowleaf
Pluchea odorata (L.) Cass.sweetscent
Pluchea sericea (Nutt.) CovilleArrowweed
Plumbago auriculata Lam.Cape leadwort
Plumbago zeylanica L.Doctorbush
Poa abbreviata R. Br.short bluegrass
Poa annua L.annual bluegrass
Poa arachnifera Torr.Texas Bluegrass
Poa arida VaseyPlains Bluegrass
Poa atropurpurea Scribn.San Bernardino Bluegrass
Poa bigelovii Vasey & Scribn.Bigelow's bluegrass
Poa bolanderi VaseyBolander's bluegrass
Poa bulbosa L.bulbous bluegrass
Poa compressa L.Canada bluegrass
Poa cusickii VaseyCusick's Bluegrass
Poa fendleriana (Steud.) Vaseymuttongrass
Poa glauca VahlGlaucous Bluegrass
Poa howellii Vasey & Scribn.Howell's bluegrass
Poa infirma Kunthweak bluegrass
Poa keckii SorengKeck's Bluegrass
Poa leptocoma Trin.marsh bluegrass
Poa lettermanii VaseyLetterman's bluegrass
Poa occidentalis VaseyNew Mexico bluegrass
Poa palustris L.Fowl Bluegrass
Poa reflexa Vasey & Scribn. ex VaseyNodding Bluegrass
Poa secunda J. PreslSandberg Bluegrass
Poa stebbinsii SorengStebbin's Bluegrass
Poa strictiramea Hitchc.Big Bend bluegrass
Poa thomasii RefulioCatalina Grass
Poa tracyi VaseyTracy's Bluegrass
Poa trivialis L.Rough Bluegrass
Poa wheeleri VaseyWheeler's Bluegrass
Podistera nevadensis (A. Gray) S. WatsonNevada Podistera
Pogogyne abramsii J.T. HowellSan Diego Mesamint
Pogogyne douglasii Benth.Douglas' Mesamint
Pogogyne nudiuscula A. GrayOtay Mesamint
Polanisia dodecandra (L.) DC.redwhisker clammyweed
Polanisia jamesii (Torr. & A. Gray) IltisJames' clammyweed
Polanisia uniglandulosa (Cav.) DC.Mexican clammyweed
Polemonium chartaceum H. MasonMason's Jacob's-Ladder
Polemonium eximium GreeneSkypilot
Polemonium foliosissimum A. Graytowering Jacob's-ladder
Polemonium micranthum Benth.annual polemonium
Polemonium occidentale Greenewestern polemonium
Polemonium pauciflorum S. Watsonfewflower Jacob's-ladder
Polemonium pulcherrimum Hook.Jacob's-ladder
Polemonium viscosum Nutt.Sticky Polemonium
Poliomintha glabrescens A. Grayleafy rosemary-mint
Poliomintha incana (Torr.) A. Grayfrosted mint
Polycarpon depressum Nutt.California manyseed
Polycarpon tetraphyllum (L.) L.fourleaf manyseed
Polyctenium fremontii (S. Watson) Greenedesert combleaf
Polygonatum biflorum (Walter) Elliottsmooth Solomon's seal
Polygonum argyrocoleon Steud. ex Kunzesilversheath knotweed
Polygonum douglasii GreeneDouglas' knotweed
Polygonum erectum L.Erect Knotweed
Polygonum minimum S. Watsonbroadleaf knotweed
Polygonum paronychia Cham. & Schltdl.beach knotweed
Polygonum parryi GreeneParry's knotweed
Polygonum pensylvanicum L.Pennsylvania Smartweed
Polygonum ramosissimum Michx.Bushy Knotweed
Polygonum shastense W.H. BrewerShasta knotweed
Polygonum striatulum B.L. Rob.Striped Knotweed
Polypodium californicum Kaulf.California polypody
Polypodium calirhiza S. Whitmore & A.R. Sm.nested polypody
Polypodium hesperium Maxonwestern polypody
Polypodium scouleri Hook. & Grev.leathery polypody
Polypogon australis Brongn.Chilean rabbitsfoot grass
Polypogon elongatus Kunthstreambank rabbitsfoot grass
Polypogon interruptus Kunthditch rabbitsfoot grass
Polypogon maritimus Willd.Mediterranean rabbitsfoot grass
Polypogon monspeliensis (L.) Desf.annual rabbitsfoot grass
Polypogon viridis (Gouan) Breistr.beardless rabbitsfoot grass
Polypremum procumbens L.Rustweed
Polystemma cordifolium (A.Gray) McDonnell & FishbeinSonoran Milkvine
Polystichum imbricans (D.C. Eaton) D.H. Wagnernarrowleaf swordfern
Polystichum kruckebergii W.H. WagnerKruckeberg's Hollyfern
Polystichum lonchitis (L.) RothNorthern Hollyfern
Polystichum munitum (Kaulf.) C. Preslwestern swordfern
Polystichum scopulinum (D.C. Eaton) MaxonMountain Hollyfern
Pomaria brachycarpa (A. Gray) B. SimpsonBroadpod Nicker
Pomaria jamesii (Torr. & A. Gray) Walp.James' holdback
Pomaria melanosticta S. SchauerParry's holdback
Pontederia cordata L.Pickerelweed
Pontederia crassipes Mart.Common Water Hyacinth
Populus ×canadensis MoenchCarolina Poplar
Populus ×jackii Balm-of-Gilead
Populus alba L.White Poplar
Populus angustifolia JamesNarrowleaf Cottonwood
Populus balsamifera L.Balsam Poplar
Populus deltoides W. Bartram ex MarshallEastern Cottonwood
Populus fremontii S. WatsonFremont Cottonwood
Populus nigra L.Lombardy poplar
Populus tremuloides Michx.Quaking Aspen
Porophyllum gracile Benth.slender poreleaf
Porophyllum greggii A. GrayGregg's poreleaf
Porophyllum pygmaeum Keil & J. MorefieldDwarf Poreleaf
Porophyllum ruderale (Jacq.) Cass.yerba porosa
Porophyllum scoparium A. GrayTrans-Pecos poreleaf
Porterella carnosula (Hook. & Arn.) Torr.Fleshy Porterella
Portulaca halimoides L.silkcotton purslane
Portulaca oleracea L.Common Purslane
Portulaca pilosa L.kiss me quick
Portulaca suffrutescens Engelm.shrubby purslane
Portulaca umbraticola Kunthwingpod purslane
Potamogeton alpinus Balbisalpine pondweed
Potamogeton amplifolius Tuck.largeleaf pondweed
Potamogeton clystocarpus Fernaldlittle aguja pondweed
Potamogeton crispus L.Curly Pondweed
Potamogeton diversifolius Raf.waterthread pondweed
Potamogeton foliosus Raf.Leafy Pondweed
Potamogeton gramineus L.variableleaf pondweed
Potamogeton illinoensis MorongIllinois Pondweed
Potamogeton natans L.floating pondweed
Potamogeton nodosus Poir.longleaf pondweed
Potamogeton pusillus L.small pondweed
Potamogeton richardsonii (Benn.) Rydb.Richardson's pondweed
Potamogeton robbinsii OakesRobbins' Pondweed
Potentilla albiflora L.O. WilliamsWhiteflower Cinquefoil
Potentilla ambigens GreeneSilkyleaf Cinquefoil
Potentilla anglica LaichardingEnglish cinquefoil
Potentilla argyrocoma (Rydb.) Jeps.Silverhair Mousetail
Potentilla baileyi (S.Watson) GreeneBailey's Ivesia
Potentilla biennis Greenebiennial cinquefoil
Potentilla bipinnatifida Douglas ex Hook.tansy cinquefoil
Potentilla callida H.M.HallTahquitz Mousetail
Potentilla campestris (M.E.Jones) Jeps.Field Mousetail
Potentilla clevelandii GreeneCleveland's Horkelia
Potentilla concinna Richardsonelegant cinquefoil
Potentilla congdonis (Rydb.) Mosyakin & ShiyanCongdon's False Horkelia
Potentilla crinita A. Graybearded cinquefoil
Potentilla cryptocaulis ClokeyCharleston Peak Mousetail
Potentilla flabellifolia Hook. ex Torr. & A. Grayhigh mountain cinquefoil
Potentilla gracilis Douglas ex Hook.slender cinquefoil
Potentilla hippiana Lehm.Woolly Cinquefoil
Potentilla hispidula (Rydb.) Jeps.White Mountain Horkelia
Potentilla jaegeri (Munz & I.M.Johnst.) L.C.WheelerJaeger's Mousetail
Potentilla kingii (S.Watson) GreeneKing's Mousetail
Potentilla lindleyi GreeneWedgeleaf Horkelia
Potentilla lycopodioides (A.Gray) Baill. ex J.T.HowellClubmoss Mousetail
Potentilla muirii (A.Gray) GreeneGranite Mousetail
Potentilla multifoliolata (Torr.) Kearney & PeeblesManyleaf Mousetail
Potentilla multisecta (S. Watson) Rydb.Featherleaf Cinquefoil
Potentilla nivea L.Snow Cinquefoil
Potentilla norvegica L.Rough Cinquefoil
Potentilla nubigena GreeneDwarf Mousetail
Potentilla ovina Macoun ex J.M. Macounsheep cinquefoil
Potentilla patellifera J.T.HowellKingston Mountain Mousetail
Potentilla pensylvanica L.Pennsylvania cinquefoil
Potentilla plattensis Nutt.Platte River cinquefoil
Potentilla pseudosericea Rydb.Silky Cinquefoil
Potentilla pulcherrima Lehm.beautiful cinquefoil

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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 Native or Not Present Introduced or Not Present Native or Introduced Native or Expanded Native or Expanded or Not Present

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