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4151 Plants Found

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Ordered by scientific name.

Scientific NameCommon NameMap‡
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
Perideridia pringlei (J.M. Coult. & Rose) A. Nelson & J.F. Macbr.adobe yampah
Perityle emoryi Torr.Emory's rockdaisy
Persicaria amphibia (L.) DelarbreWater Knotweed
Persicaria hydropiperoides (Michx.) SmallSwamp Smartweed
Persicaria lapathifolia (L.) DelarbrePale Smartweed
Persicaria punctata (Elliott) SmallDotted Smartweed
Petalonyx nitidus S. WatsonShinyleaf Sandpaper Plant
Petalonyx thurberi A. GrayThurber's sandpaper plant
Petasites frigidus (L.) Fr.arctic sweet coltsfoot
Petradoria pumila (Nutt.) GreeneRock Goldenrod
Petrophytum acuminatum Rydb.Big Arroyo Rockmat
Petrophytum caespitosum (Nutt.) Rydb.mat rockspirea
Petrorhagia dubia (Raf.) G. López & Romohairypink
Petrorhagia prolifera (L.) P.W. Ball & Heywoodchilding pink
Petroselinum crispum (Mill.) Nyman ex A.W. HillParsley
Phacelia affinis A. Graylimestone phacelia
Phacelia austromontana J.T. HowellSouthern Sierra Phacelia
Phacelia bicolor Torr. ex S. WatsonTwocolor Phacelia
Phacelia bolanderi A. GrayBolander's Phacelia
Phacelia brachyloba (Benth.) A. Grayshortlobe phacelia
Phacelia breweri A. GrayBrewer's phacelia
Phacelia californica Cham.California phacelia
Phacelia cicutaria Greenecaterpillar phacelia
Phacelia ciliata Benth.Great Valley phacelia
Phacelia congdonii GreeneCongdon's Phacelia
Phacelia corymbosa Jeps.serpentine 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 distans Benth.distant phacelia
Phacelia divaricata (Benth.) A. Graydivaricate 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 fremontii Torr.Fremont's Phacelia
Phacelia hastata Douglas ex Lehm.Silverleaf Phacelia
Phacelia heterophylla Purshvarileaf phacelia
Phacelia hubbyi (J.F. Macbr.) L.M. Garrisoncaterpillar phacelia
Phacelia humilis Torr. & A. Graylow phacelia
Phacelia hydrophylloides Torr. ex A. Graywaterleaf phacelia
Phacelia imbricata Greeneimbricate phacelia
Phacelia lemmonii A. GrayLemmon's Phacelia
Phacelia marcescens Eastw. ex J.F. Macbr.Persistentflower Phacelia
Phacelia minor (Harv.) Thell.wild canterbury bells
Phacelia mohavensis A. GrayMojave Phacelia
Phacelia mutabilis GreeneChangeable Phacelia
Phacelia nashiana Jeps.Charlotte's Phacelia
Phacelia nemoralis Greeneshade phacelia
Phacelia novenmillensis MunzNine Mile Canyon Phacelia
Phacelia orogenes BrandMountain Phacelia
Phacelia pachyphylla A. Grayblacktack phacelia
Phacelia phacelioides (Benth.) BrandMt. Diablo phacelia
Phacelia platyloba A. GrayBroadlobe Phacelia
Phacelia procera A. Graytall phacelia
Phacelia purpusii BrandegeePurpus' phacelia
Phacelia quickii J.T. HowellQuick's Phacelia
Phacelia racemosa (Kellogg) BrandegeeRacemose Phacelia
Phacelia ramosissima Douglas ex Lehm.branching phacelia
Phacelia rattanii A. GrayRattan's phacelia
Phacelia rotundifolia Torr. ex S. Watsonroundleaf phacelia
Phacelia stebbinsii Constance & HeckardStebbins' Phacelia
Phacelia suaveolens Greenesweetscented phacelia
Phacelia tanacetifolia Benth.lacy phacelia
Phacelia vallicola Congd. ex BrandMariposa Phacelia
Phacelia vallis-mortae J. VossDeath Valley phacelia
Phalacroseris bolanderi A. GrayBolander's Mock Dandelion
Phalaris angusta Nees ex Trin.timothy canarygrass
Phalaris aquatica L.bulbous canarygrass
Phalaris arundinacea L.Reed Canary Grass
Phalaris brachystachys Linkshortspike canarygrass
Phalaris californica Hook. & Arn.California canarygrass
Phalaris canariensis L.Annual Canarygrass
Phalaris caroliniana WalterCarolina Canarygrass
Phalaris lemmonii VaseyLemmon's canarygrass
Phalaris minor Retz.littleseed canarygrass
Phalaris paradoxa L.hood canarygrass
Philadelphus californicus Benth.California mock orange
Philadelphus cordifolius LangeHeartleaf Mock Orange
Philadelphus lewisii PurshLewis' mock orange
Phleum alpinum L.Alpine Timothy
Phleum pratense L.Timothy
Phlox austromontana Covillemountain phlox
Phlox condensata (A. Gray) E.E. NelsonDwarf Phlox
Phlox diffusa Benth.spreading phlox
Phlox dispersa Sharsm.High Sierra Phlox
Phlox pulvinata (Wherry) CronquistCushion Phlox
Phlox speciosa Purshshowy phlox
Phlox stansburyi (Torr.) A. Hellercold-desert phlox
Phoenicaulis cheiranthoides Nutt.wallflower phoenicaulis
Phoenix canariensis hort. ex ChabaudCanary Island date palm
Pholisma arenarium Nutt. ex Hook.desert christmas tree
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 juniperinum Engelm. ex A. GrayJuniper Mistletoe
Phoradendron leucarpum (Raf.) Reveal & M.C. Johnst.Oak Mistletoe
Phragmites australis (Cav.) Trin. ex Steud.Eurasian Common Reed
Phyla lanceolata (Michx.) GreeneLanceleaf Fogfruit
Phyla nodiflora (L.) Greeneturkey tangle fogfruit
Phyllodoce breweri (A. Gray) A. Hellerpurple mountainheath
Phyllostachys aurea Carrière ex A. Rivière & C. Rivièregolden bamboo
Phyllostachys bambusoides Siebold & Zucc.Japanese timber bamboo
Physalis acutifolia (Miers) Sandw.Sharpleaf Groundcherry
Physalis angulata L.Cutleaf Groundcherry
Physalis crassifolia Benth.yellow nightshade groundcherry
Physalis philadelphica Lam.Mexican Groundcherry
Physalis pubescens L.Husk Tomato
Physocarpus capitatus (Pursh) KuntzePacific ninebark
Phytolacca americana L.American Pokeweed
Pickeringia montana Nutt. ex Torr. & A. Graychaparral pea
Pilularia americana A. BraunAmerican pillwort
Pinus albicaulis Engelm.Whitebark Pine
Pinus attenuata Lemmonknobcone pine
Pinus balfouriana Balf.Foxtail Pine
Pinus brutia Ten.Calabrian Pine
Pinus contorta Douglas ex LoudonLodgepole Pine
Pinus coulteri D. DonCoulter pine
Pinus flexilis JamesLimber Pine
Pinus halepensis Mill.aleppo pine
Pinus jeffreyi Balf.Jeffrey Pine
Pinus lambertiana DouglasSugar 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 sabiniana Douglas ex DouglasCalifornia foothill pine
Piperia colemanii R. Morgan & GlicensteinColeman's piperia
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
Piptatherum miliaceum (L.) Coss.smilograss
Pistacia atlantica Desf.Mt. Atlas Mastic Tree
Pistacia chinensis BungeChinese Pistache
Pisum sativum L.Garden Pea
Pittosporum tobira (Thunb.) W.T. AitonJapanese cheesewood
Pittosporum undulatum Vent.Australian cheesewood
Pityopus californica (Eastw.) Copeland f.California pinefoot
Plagiobothrys acanthocarpus (Piper) I.M. Johnst.adobe popcornflower
Plagiobothrys arizonicus (A. Gray) Greene ex A. GrayArizona popcornflower
Plagiobothrys austiniae (Greene) I.M. Johnst.Austin's popcornflower
Plagiobothrys canescens Benth.valley popcornflower
Plagiobothrys collinus (Phil.) I.M. Johnst.Cooper's popcornflower
Plagiobothrys distantiflorus (Piper) I.M. Johnst. ex M. PeckCalifornia Popcornflower
Plagiobothrys fulvus (Hook. & Arn.) I.M. Johnst.fulvous popcornflower
Plagiobothrys glyptocarpus (Piper) I.M. Johnst.sculptured popcornflower
Plagiobothrys greenei (A. Gray) I.M. Johnst.Greene's popcornflower
Plagiobothrys hispidus A. GrayCascade Popcornflower
Plagiobothrys humistratus (Greene) I.M. Johnst.dwarf popcornflower
Plagiobothrys hystriculus (Piper) I.M. Johnst.bearded popcornflower
Plagiobothrys infectivus I.M. Johnst.dye popcornflower
Plagiobothrys jonesii A. GrayMojave popcornflower
Plagiobothrys leptocladus (Greene) I.M. Johnst.finebranched popcornflower
Plagiobothrys nothofulvus (A. Gray) A. Grayrusty popcornflower
Plagiobothrys scriptus (Greene) I.M. Johnst.scribe popcornflower
Plagiobothrys shastensis Greene ex A. GrayShasta popcornflower
Plagiobothrys stipitatus (Greene) I.M. Johnst.stalked popcornflower
Plagiobothrys tenellus (Nutt. ex Hook.) A. GrayPacific popcornflower
Plagiobothrys tener (Greene) I.M. Johnst.slender popcornflower
Plagiobothrys torreyi (A. Gray) A. GrayTorrey's Popcornflower
Plagiobothrys trachycarpus (A. Gray) I.M. Johnst.roughfruit popcornflower
Plagiobothrys uncinatus J.T. HowellSalinas Valley popcornflower
Plagiobothrys undulatus (Piper) I.M. Johnst.artist's popcornflower
Planodes virginicum (L.) GreeneVirginia Winged Rockcress
Plantago erecta Morrisdotseed plantain
Plantago eriopoda Torr.redwool plantain
Plantago firma Kunze ex Walp.Chilean plantain
Plantago lanceolata L.Narrowleaf Plantain
Plantago major L.Common Plantain
Plantago maritima L.goose tongue
Plantago ovata Forssk.desert Indianwheat
Plantago pusilla Nutt.Dwarf Plantain
Plantago subnuda Pilg.tall coastal plantain
Plantago virginica L.Virginia Plantain
Platanthera elegans Lindl.Hillside Rein Orchid
Platanthera sparsiflora (S. Watson) Schltr.sparse-flowered bog orchid
Platanthera yosemitensis Colwell, Sheviak & P.E. MooreYosemite Bog Orchid
Platanus ×hispanica Mill. ex Münchh.London Planetree
Platanus racemosa Nutt.California sycamore
Platystemon californicus Benth.Creamcups
Platystigma lineare Benth.Narrowleaf Queen Poppy
Plectritis ciliosa (Greene) Jeps.longspur seablush
Plectritis congesta (Lindl.) DC.shortspur seablush
Plectritis macrocera Torr. & A. GrayLonghorn Plectritis
Pleiacanthus spinosus (Nutt.) Rydb.Thorn Skeletonweed
Pleuricospora fimbriolata A. Grayfringed pinesap
Pleuropogon californicus (Nees) Benth. ex Vaseyannual semaphoregrass
Pluchea odorata (L.) Cass.sweetscent
Pluchea sericea (Nutt.) CovilleArrowweed
Poa annua L.annual bluegrass
Poa bigelovii Vasey & Scribn.Bigelow's bluegrass
Poa bolanderi VaseyBolander's bluegrass
Poa bulbosa L.bulbous bluegrass
Poa compressa L.Canada 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 palustris L.Fowl Bluegrass
Poa pringlei Scribn.Pringle's Bluegrass
Poa secunda J. PreslSandberg Bluegrass
Poa sierrae J.T. HowellSierra Bluegrass
Poa stebbinsii SorengStebbin's Bluegrass
Poa tenerrima Scribn.Delicate Bluegrass
Poa trivialis L.Rough Bluegrass
Podistera nevadensis (A. Gray) S. WatsonNevada Podistera
Pogogyne floribunda JokerstProfuseflower Mesamint
Pogogyne serpylloides (Torr.) A. Graythymeleaf mesamint
Pogogyne ziziphoroides Benth.Sacramento mesamint
Polanisia dodecandra (L.) DC.redwhisker clammyweed
Polemonium californicum Eastw.moving polemonium
Polemonium eximium GreeneSkypilot
Polemonium micranthum Benth.annual polemonium
Polemonium occidentale Greenewestern polemonium
Polemonium pulcherrimum Hook.Jacob's-ladder
Polycarpon depressum Nutt.California manyseed
Polycarpon tetraphyllum (L.) L.fourleaf manyseed
Polygonum argyrocoleon Steud. ex Kunzesilversheath knotweed
Polygonum bidwelliae S. WatsonBidwell's Knotweed
Polygonum bolanderi W.H. BrewerBolander's knotweed
Polygonum californicum Meisn.California knotweed
Polygonum douglasii GreeneDouglas' knotweed
Polygonum marinense T.R. Mert. & P.H. RavenMarin knotweed
Polygonum minimum S. Watsonbroadleaf knotweed
Polygonum parryi GreeneParry's knotweed
Polygonum patulum M. Bieb.Bellard's smartweed
Polygonum pensylvanicum L.Pennsylvania Smartweed
Polygonum ramosissimum Michx.Bushy Knotweed
Polygonum shastense W.H. BrewerShasta knotweed
Polypodium californicum Kaulf.California polypody
Polypodium calirhiza S. Whitmore & A.R. Sm.nested polypody
Polypodium glycyrrhiza D.C. Eatonlicorice fern
Polypodium hesperium Maxonwestern polypody
Polypogon australis Brongn.Chilean rabbitsfoot grass
Polypogon elongatus Kunthstreambank rabbitsfoot grass
Polypogon imberbis (Phil.) Johowbeardless 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
Polystichum californicum (D.C. Eaton) DielsCalifornia swordfern
Polystichum imbricans (D.C. Eaton) D.H. Wagnernarrowleaf swordfern
Polystichum lemmonii Underw.Lemmon's hollyfern
Polystichum lonchitis (L.) Rothnorthern hollyfern
Polystichum munitum (Kaulf.) C. Preslwestern swordfern
Pontederia cordata L.Pickerelweed
Pontederia crassipes Mart.Common Water Hyacinth
Pontederia vaginalis Burm.f.Heartshape False Pickerelweed
Populus alba L.White Poplar
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
Porterella carnosula (Hook. & Arn.) Torr.Fleshy Porterella
Portulaca oleracea L.Common Purslane
Potamogeton alpinus Balbisalpine pondweed
Potamogeton amplifolius Tuck.largeleaf pondweed
Potamogeton crispus L.Curly Pondweed
Potamogeton diversifolius Raf.waterthread pondweed
Potamogeton epihydrus Raf.ribbonleaf pondweed
Potamogeton foliosus Raf.Leafy Pondweed
Potamogeton gramineus L.variableleaf 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
Potamogeton zosteriformis Fernaldflatstem pondweed
Potentilla anglica LaichardingEnglish cinquefoil
Potentilla biennis Greenebiennial cinquefoil
Potentilla bolanderi (A.Gray) GreeneBorder Horkelia
Potentilla campestris (M.E.Jones) Jeps.Field Mousetail
Potentilla congdonis (Rydb.) Mosyakin & ShiyanCongdon's False Horkelia
Potentilla daucifolia GreeneCarrotleaf Horkelia
Potentilla drummondii Lehm.Drummond's cinquefoil
Potentilla flabellifolia Hook. ex Torr. & A. Grayhigh mountain cinquefoil
Potentilla gracilis Douglas ex Hook.slender cinquefoil
Potentilla grayi S. WatsonGray's Cinquefoil
Potentilla lycopodioides (A.Gray) Baill. ex J.T.HowellClubmoss Mousetail
Potentilla millefolia Rydb.Cutleaf Cinquefoil
Potentilla muirii (A.Gray) GreeneGranite Mousetail
Potentilla norvegica L.Norwegian cinquefoil
Potentilla nubigena GreeneDwarf Mousetail
Potentilla parryi (Greene) GreeneParry Horkelia
Potentilla pensylvanica L.Pennsylvania cinquefoil
Potentilla pseudosericea Rydb.Silky Cinquefoil
Potentilla purpurascens (S.Watson) GreenePurple False Horkelia
Potentilla recta L.sulphur cinquefoil
Potentilla reptans L.creeping cinquefoil
Potentilla saxosa Lemmon & S.A.Lemmon ex GreeneRock Mousetail
Potentilla sericoleuca (Rydb.) J.T.HowellPlumas Mousetail
Potentilla shockleyi (S.Watson) Jeps.Sky Mousetail
Potentilla tularensis J.T.HowellKern Plateau Horkelia
Potentilla unguiculata (A.Gray) Hook.f.Yosemite Mousetail
Potentilla wheeleri S. WatsonKern cinquefoil
Prenanthella exigua (A. Gray) Rydb.brightwhite
Primula fragrans A.R.Mast & RevealScented Shootingstar
Primula subalpina (Eastw.) A.R.Mast & RevealSierra Shootingstar
Primula suffrutescens A. GraySierra Primrose
Proboscidea louisianica (Mill.) Thell.Ram's Horn
Prosartes hookeri Torr.drops-of-gold
Prosopis glandulosa Torr.Honey Mesquite
Prosopis pubescens Benth.screwbean mesquite
Prosopis velutina Wootonvelvet mesquite
Prunella vulgaris L.Common Selfheal
Prunus andersonii A. GrayDesert Peach
Prunus armeniaca L.apricot
Prunus caroliniana AitonCarolina Laurelcherry
Prunus cerasifera Ehrh.cherry plum
Prunus domestica L.European plum
Prunus dulcis (Mill.) D.A. Webbsweet almond
Prunus emarginata (Douglas ex Hook.) D. Dietr.bitter cherry
Prunus fasciculata (Torr.) A. Graydesert almond
Prunus ilicifolia (Nutt. ex Hook. & Arn.) D. Dietr.hollyleaf cherry
Prunus lusitanica L.Portugal laurel
Prunus persica (L.) BatschPeach
Prunus subcordata Benth.Klamath plum
Prunus virginiana L.Chokecherry
Psathyrotes annua (Nutt.) A. Grayannual psathyrotes
Psathyrotes ramosissima (Torr.) A. Grayvelvet turtleback
Pseudobahia bahiifolia (Benth.) Rydb.Hartweg's Golden Sunburst
Pseudobahia heermannii (Durand) Rydb.foothill sunburst
Pseudobahia peirsonii MunzSan Joaquin Adobe Sunburst
Pseudognaphalium biolettii Anderb.two-color rabbit-tobacco
Pseudognaphalium californicum (DC.) Anderb.ladies' tobacco
Pseudognaphalium canescens (DC.) W.A. WeberWright's cudweed
Pseudognaphalium macounii (Greene) KarteszMacoun's cudweed
Pseudognaphalium ramosissimum (Nutt.) Anderb.pink cudweed
Pseudognaphalium stramineum (Kunth) Anderb.Cottonbatting Plant
Pseudoroegneria spicata (Pursh) Á. LöveBluebunch Wheatgrass
Pseudostellaria jamesiana (Torr.) W.A. Weber & R.L. Hartm.tuber starwort
Pseudotsuga macrocarpa (Vasey) Mayrbigcone Douglas-fir
Pseudotsuga menziesii (Mirb.) FrancoDouglas Fir
Psilocarphus brevissimus Nutt.short woollyheads
Psilocarphus oregonus Nutt.Oregon woollyheads
Psilocarphus tenellus Nutt.slender woollyheads
Psorothamnus arborescens (Torr. ex A. Gray) BarnebyMojave indigobush
Psorothamnus fremontii (Torr. ex A. Gray) BarnebyFremont's dalea
Ptelea crenulata GreeneCalifornia hoptree
Pteridium aquilinum (L.) Kuhnwestern brackenfern
Pteris cretica L.Cretan brake
Pterocarya stenoptera C. DC.Chinese wingnut
Pterospora andromedea Nutt.woodland pinedrops
Pterostegia drymarioides Fisch. & C.A. Mey.woodland pterostegia
Ptilagrostiella kingii (Bol.) RomascSierra False Needlegrass
Puccinellia distans (Jacq.) Parl.weeping alkaligrass
Puccinellia lemmonii (Vasey) Scribn.Lemmon's alkaligrass
Puccinellia nuttalliana (Schult.) Hitchc.Nuttall's Alkaligrass
Puccinellia parishii Hitchc.bog alkaligrass
Puccinellia simplex Scribn.California alkaligrass
Pulsatilla occidentalis (S. Watson) Freynwhite pasqueflower
Punica granatum L.pomegranate
Purshia glandulosa Currandesert bitterbrush
Purshia tridentata (Pursh) DC.Antelope Bitterbrush
Pycnanthemum californicum Torr. ex DurandSierra mint
Pyracantha angustifolia (Franch.) C.K. Schneid.narrowleaf firethorn
Pyracantha crenulata (D. Don) Roem.Nepalese firethorn
Pyracantha fortuneana (Maxim.) LiChinese firethorn
Pyracantha koidzumii (Hayata) RehderFormosa firethorn
Pyrola asarifolia Michx.Liverleaf Wintergreen
Pyrola minor L.snowline wintergreen
Pyrola picta Sm.whiteveined wintergreen
Pyrrocoma apargioides (A. Gray) GreeneAlpineflames
Pyrrocoma lucida (D.D. Keck) Kartesz & GandhiSticky Goldenweed
Pyrrocoma racemosa (Nutt.) Torr. & A. Grayclustered goldenweed
Pyrrocoma uniflora (Hook.) GreenePlantain Goldenweed
Pyrus calleryana Decne.Callery Pear
Pyrus communis L.Common Pear
Quercus ×alvordiana Eastw.Alvord Oak
Quercus agrifolia NéeCalifornia live oak
Quercus berberidifolia Liebm.Scrub Oak
Quercus chrysolepis Liebm.Canyon Live Oak
Quercus cornelius-mulleri Nixon & SteeleMuller oak
Quercus douglasii Hook. & Arn.blue oak
Quercus dumosa Nutt.coastal sage scrub oak
Quercus durata Jeps.leather oak
Quercus garryana Douglas ex Hook.Oregon White Oak
Quercus ilex L.holly oak
Quercus john-tuckeri Nixon & C.H. Mull.Tucker oak
Quercus kelloggii NewberryCalifornia Black Oak
Quercus lobata Néevalley oak
Quercus palmeri Engelm.Palmer oak
Quercus parvula Greenecoast oak
Quercus sadleriana R. Br. terDeer Oak
Quercus vacciniifolia Kellogghuckleberry oak
Quercus wislizeni A. DC.interior live oak
Rafinesquia californica Nutt.California plumeseed
Rafinesquia neomexicana A. GrayNew Mexico plumeseed
Raillardella argentea (A. Gray) A. GraySilky Raillardella
Raillardella scaposa (A. Gray) A. GrayStem Raillardella
Ranunculus alismifolius Geyer ex Benth.plantainleaf buttercup
Ranunculus aquatilis L.white water crowfoot
Ranunculus arvensis L.corn buttercup
Ranunculus bonariensis Poir.Carter's Buttercup
Ranunculus californicus Benth.California buttercup
Ranunculus canus Benth.Sacramento Valley buttercup
Ranunculus cymbalaria PurshAlkali Buttercup
Ranunculus eschscholtzii Schltdl.Eschscholtz's Buttercup
Ranunculus flammula L.greater creeping spearwort
Ranunculus glaberrimus Hook.sagebrush buttercup
Ranunculus hebecarpus Hook. & Arn.delicate buttercup
Ranunculus lobbii (Hiern.) A. GrayLobb's buttercup
Ranunculus longirostris Godr.Longbeak Buttercup
Ranunculus muricatus L.spinyfruit buttercup
Ranunculus occidentalis Nutt.western buttercup
Ranunculus orthorhynchus Hook.straightbeak buttercup
Ranunculus populago Greenepopular buttercup
Ranunculus pusillus Poir.low spearwort
Ranunculus repens L.creeping buttercup
Ranunculus sardous Crantzhairy buttercup
Ranunculus sceleratus L.cursed buttercup
Ranunculus trichophyllus Chaixthreadleaf crowfoot
Ranunculus uncinatus D. Don ex G. Donwoodland buttercup
Raphanus raphanistrum L.wild radish
Raphanus sativus L.cultivated radish
Ravenella sharsmithiae (Morin) MorinMt. Hamilton Bellflower
Reseda alba L.white upright mignonette
Reseda luteola L.weld
Rhamnus alnifolia L'Hér.alderleaf buckthorn
Rhamnus crocea Nutt.Redberry Buckthorn
Rhamnus ilicifolia Kellogghollyleaf redberry
Rhodiola integrifolia Raf.ledge stonecrop
Rhododendron columbianum (Piper) HarmajaWestern Labrador Tea
Rhododendron occidentale (Torr. & A. Gray) A. Graywestern azalea
Rhus aromatica AitonFragrant Sumac
Rhus ovata S. Watsonsugar sumac
Rhus trilobata Nutt.Skunkbush Sumac
Rhynchospora alba (L.) VahlWhite Beaksedge
Rhynchospora californica GaleCalifornia beaksedge
Rhynchospora capitellata (Michx.) VahlBrownish Beaksedge
Ribes amarum McClatchiebitter gooseberry
Ribes aureum PurshGolden Currant
Ribes binominatum A. HellerGround Gooseberry
Ribes californicum Hook. & Arn.hillside gooseberry
Ribes cereum Douglaswax currant
Ribes divaricatum DouglasSpreading Gooseberry
Ribes inerme Rydb.whitestem gooseberry
Ribes lacustre (Pers.) Poir.prickly currant
Ribes lasianthum GreeneAlpine Gooseberry
Ribes lobbii A. GrayGummy Gooseberry
Ribes malvaceum Sm.chaparral currant
Ribes menziesii Purshcanyon gooseberry
Ribes montigenum McClatchiegooseberry currant
Ribes nevadense KelloggSierra currant
Ribes quercetorum Greenerock gooseberry
Ribes roezlii RegelSierra gooseberry
Ribes roezlii var. cruentum (Greene) RehderShinyleaf Currant
Ribes sanguineum Purshredflower currant
Ribes tularense (Coville) FeddeTulare Gooseberry
Ribes velutinum Greenedesert gooseberry
Ribes victoris GreeneVictor's gooseberry
Ribes viscosissimum Purshsticky currant
Ricinus communis L.castorbean
Rigiopappus leptocladus A. Graywireweed
Robinia hispida L.Bristly Locust
Robinia pseudoacacia L.Black Locust
Romanzoffia californica GreeneCalifornia mistmaiden
Romulea rosea (L.) Eckl.rosy sandcrocus
Rorippa curvipes Greenebluntleaf yellowcress
Rorippa curvisiliqua (Hook.) Besser ex Brittoncurvepod yellowcress
Rorippa palustris (L.) Besserbog yellowcress
Rorippa sinuata (Nutt.) Hitchc.spreading yellowcress
Rorippa subumbellata RollinsLake Tahoe Yellowcress
Rorippa tenerrima GreeneModoc yellowcress
Rosa bridgesii Crép.pygmy rose
Rosa californica Cham. & Schltdl.California wildrose
Rosa canina L.dog rose
Rosa gymnocarpa Nutt.dwarf rose
Rosa multiflora Thunb.Multiflora Rose
Rosa pisocarpa A. GrayCluster Rose
Rosa rubiginosa L.sweetbriar rose
Rosa spithamea S. Watsonground rose
Rosa woodsii Lindl.Woods' Rose
Rostraria cristata (L.) TzvelevMediterranean hairgrass
Rotala indica (Willd.) KoehneIndian toothcup
Rotala ramosior (L.) Koehnelowland rotala
Rottboellia cochinchinensis (Lour.) W.D. Claytonitchgrass
Rubus glaucifolius KelloggSan Diego raspberry
Rubus laciniatus Willd.cutleaf blackberry
Rubus leucodermis Douglas ex Torr. & A. Graywhitebark raspberry
Rubus parviflorus Nutt.thimbleberry
Rubus pensilvanicus Poir.Pennsylvania Blackberry
Rubus ulmifolius Schottelmleaf blackberry
Rubus ursinus Cham. & Schltdl.California Blackberry
Rudbeckia californica A. GrayCalifornia Coneflower
Rudbeckia hirta L.Black-eyed Susan
Rudbeckia occidentalis Nutt.western coneflower
Rumex acetosella L.common sheep sorrel

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Article Status: ✓ = complete

Range map status: ∅ = No map,
= Our research
, accurate to lv (1,2,3,4) ecoregions,
= tentative, excludes Canada & Mexico
ERA = auto-generated from ERA data.

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

Progress

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Range Map
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Map to L2
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Map to L3
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