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3157 Plants Found

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Ordered by scientific name.

Scientific NameCommon NameMap‡
Prunus virginiana L.Chokecherry
Psathyrostachys juncea (Fisch.) NevskiRussian wildrye
Psathyrotes annua (Nutt.) A. Grayannual psathyrotes
Pseudognaphalium canescens (DC.) W.A. WeberWright's 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 menziesii (Mirb.) FrancoDouglas Fir
Psilocarphus brevissimus Nutt.short woollyheads
Psilocarphus elatior (A. Gray) A. Graymeadow woollyheads
Psilocarphus oregonus Nutt.Oregon woollyheads
Psilocarphus tenellus Nutt.slender woollyheads
Psilostrophe bakeri GreeneBaker's Paperflower
Psorothamnus kingii (S. Watson) BarnebyKing's Dalea
Psorothamnus polydenius (Torr. ex S. Watson) Rydb.Nevada dalea
Pteridium aquilinum (L.) Kuhnwestern brackenfern
Pterospora andromedea Nutt.woodland pinedrops
Puccinellia distans (Jacq.) Parl.weeping alkaligrass
Puccinellia fasciculata (Torr.) E.P. Bicknellsaltmarsh alkaligrass
Puccinellia lemmonii (Vasey) Scribn.Lemmon's alkaligrass
Puccinellia nuttalliana (Schult.) Hitchc.Nuttall's Alkaligrass
Puccinellia simplex Scribn.California alkaligrass
Pueraria montana (Lour.) Merr.Kudzu
Pulsatilla occidentalis (S. Watson) Freynwhite pasqueflower
Purshia glandulosa Currandesert bitterbrush
Purshia stansburiana (Torr.) HenricksonStansbury Cliffrose
Purshia tridentata (Pursh) DC.Antelope Bitterbrush
Pycnanthemum californicum Torr. ex DurandSierra mint
Pyrola asarifolia Michx.Liverleaf Wintergreen
Pyrola chlorantha Sw.Greenflowered Wintergreen
Pyrola minor L.snowline wintergreen
Pyrola picta Sm.whiteveined wintergreen
Pyrrocoma apargioides (A. Gray) GreeneAlpineflames
Pyrrocoma carthamoides Hook.largeflower goldenweed
Pyrrocoma hirta (A. Gray) Greenetacky goldenweed
Pyrrocoma howellii (A.Gray) GreeneNarrowleaf Goldenhead
Pyrrocoma lanceolata (Hook.) Greenelanceleaf goldenweed
Pyrrocoma lucida (D.D. Keck) Kartesz & GandhiSticky Goldenweed
Pyrrocoma racemosa (Nutt.) Torr. & A. Grayclustered goldenweed
Pyrrocoma radiata Nutt.Ray Goldenweed
Pyrrocoma uniflora (Hook.) GreenePlantain Goldenweed
Quercus chrysolepis Liebm.Canyon Live Oak
Quercus gambelii Nutt.Gambel Oak
Quercus garryana Douglas ex Hook.Oregon White Oak
Quercus kelloggii NewberryCalifornia Black Oak
Quercus vacciniifolia Kellogghuckleberry 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 abortivus L.Small-Flowered Buttercup
Ranunculus acriformis A. Graysharpleaf buttercup
Ranunculus acris L.tall buttercup
Ranunculus adoneus A. GrayAlpine Buttercup
Ranunculus alismifolius Geyer ex Benth.plantainleaf buttercup
Ranunculus aquatilis L.white water crowfoot
Ranunculus arvensis L.corn buttercup
Ranunculus californicus Benth.California buttercup
Ranunculus canus Benth.Sacramento Valley buttercup
Ranunculus cymbalaria PurshAlkali Buttercup
Ranunculus eschscholtzii Schltdl.Eschscholtz's Buttercup
Ranunculus flabellaris Raf.Yellow Water Buttercup
Ranunculus flammula L.greater creeping spearwort
Ranunculus glaberrimus Hook.sagebrush buttercup
Ranunculus gmelinii DC.Gmelin's buttercup
Ranunculus gormanii GreeneGorman's buttercup
Ranunculus hebecarpus Hook. & Arn.delicate buttercup
Ranunculus inamoenus GreeneGraceful Buttercup
Ranunculus jovis A. NelsonUtah Buttercup
Ranunculus longirostris Godr.Longbeak Buttercup
Ranunculus macounii BrittonMacoun's buttercup
Ranunculus occidentalis Nutt.western buttercup
Ranunculus oresterus L.D. BensonBlue Mountain Buttercup
Ranunculus orthorhynchus Hook.straightbeak buttercup
Ranunculus pedatifidus Sm.surefoot buttercup
Ranunculus pensylvanicus L. f.Pennsylvania buttercup
Ranunculus populago Greenepopular buttercup
Ranunculus repens L.creeping buttercup
Ranunculus sceleratus L.cursed buttercup
Ranunculus testiculatus CrantzCurveseed Butterwort
Ranunculus trichophyllus Chaixthreadleaf crowfoot
Ranunculus triternatus A. GrayObscure Buttercup
Ranunculus uncinatus D. Don ex G. Donwoodland buttercup
Raphanus raphanistrum L.wild radish
Raphanus sativus L.cultivated radish
Ratibida columnifera (Nutt.) Wooton & Standl.Upright Prairie Coneflower
Reynoutria sachalinensis (F.Schmidt) NakaiGiant Knotweed
Rhamnus alnifolia L'Hér.alderleaf buckthorn
Rhinotropis cornuta (Kellogg) J.R.AbbottSierra Milkwort
Rhinotropis intermontana (T.Wendt) J.R.AbbottIntermountain Milkwort
Rhinotropis subspinosa (S.Watson) J.R.AbbottSpiny Milkwort
Rhodiola integrifolia Raf.ledge stonecrop
Rhododendron albiflorum Hook.Cascade azalea
Rhododendron columbianum (Piper) HarmajaWestern Labrador Tea
Rhododendron macrophyllum D. Don ex G. DonPacific rhododendron
Rhus aromatica AitonFragrant Sumac
Rhus glabra L.Smooth Sumac
Rhus trilobata Nutt.Skunkbush Sumac
Rhysopterus plurijugus J.M.Coult. & RoseWrinklewing Springparsley
Ribes aureum PurshGolden Currant
Ribes cereum Douglaswax currant
Ribes erythrocarpum Coville & LeibergCrater Lake Currant
Ribes hudsonianum RichardsonNorthern Black Currant
Ribes inerme Rydb.whitestem gooseberry
Ribes lacustre (Pers.) Poir.prickly currant
Ribes lasianthum GreeneAlpine Gooseberry
Ribes laxiflorum Purshtrailing black currant
Ribes montigenum McClatchiegooseberry currant
Ribes nevadense KelloggSierra currant
Ribes niveum Lindl.snow currant
Ribes oxyacanthoides L.Canadian gooseberry
Ribes roezlii RegelSierra gooseberry
Ribes roezlii var. cruentum (Greene) RehderShinyleaf Currant
Ribes velutinum Greenedesert gooseberry
Ribes viscosissimum Purshsticky currant
Rigiopappus leptocladus A. Graywireweed
Robinia hispida L.Bristly Locust
Robinia pseudoacacia L.Black Locust
Roemeria argemone (L.) C.Morales, R.Mend. & Romero GarcíaLong Pricklyhead Poppy
Rorippa alpina (S. Watson) Rydb.Alpine Yellowcress
Rorippa austriaca (Crantz) BesserAustrian yellowcress
Rorippa columbiae (Suksd. ex B.L. Rob.) Suksd. ex HowellColumbian yellowcress
Rorippa curvipes Greenebluntleaf yellowcress
Rorippa curvisiliqua (Hook.) Besser ex Brittoncurvepod yellowcress
Rorippa palustris (L.) Besserbog yellowcress
Rorippa sinuata (Nutt.) Hitchc.spreading yellowcress
Rorippa sphaerocarpa (A. Gray) Brittonroundfruit yellowcress
Rorippa subumbellata RollinsLake Tahoe Yellowcress
Rorippa sylvestris (L.) BesserCreeping Yellowcress
Rorippa tenerrima GreeneModoc yellowcress
Rosa californica Cham. & Schltdl.California wildrose
Rosa canina L.dog rose
Rosa gymnocarpa Nutt.dwarf rose
Rosa nutkana C. PreslNootka Rose
Rosa pisocarpa A. GrayCluster Rose
Rosa rubiginosa L.sweetbriar rose
Rosa woodsii Lindl.Woods' Rose
Rostraria cristata (L.) TzvelevMediterranean hairgrass
Rotala ramosior (L.) Koehnelowland rotala
Rubus lasiococcus A. Grayroughfruit berry
Rubus leucodermis Douglas ex Torr. & A. Graywhitebark raspberry
Rubus parviflorus Nutt.thimbleberry
Rubus strigosus Michx.American Red Raspberry
Rubus ursinus Cham. & Schltdl.California Blackberry
Rudbeckia occidentalis Nutt.western coneflower
Rumex acetosella L.Common Sheep Sorrel
Rumex conglomeratus Murrayclustered dock
Rumex crispus L.curly dock
Rumex hymenosepalus Torr.canaigre dock
Rumex obtusifolius L.Bitter Dock
Rumex occidentalis S. WatsonWestern Dock
Rumex patientia L.Patience Dock
Rumex paucifolius Nutt.alpine sheep sorrel
Rumex pulcher L.fiddle dock
Rumex salicifolius Weinm.Willow Dock
Rumex stenophyllus Ledeb.narrowleaf dock
Rumex venosus PurshVeiny Dock
Ruppia cirrhosa (Petagna) Grandespiral ditchgrass
Sabulina rubella (Wahlenb.) Dillenb. & KadereitBeautiful Sandwort
Sagina decumbens (Elliott) Torr. & A. Graytrailing pearlwort
Sagina procumbens L.Birdeye Pearlwort
Sagina saginoides (L.) Karst.arctic pearlwort
Sagina subulata (Sw.) C. Preslawl-leaf pearlwort
Sagittaria cuneata Sheldonarumleaf arrowhead
Sagittaria latifolia Willd.Broadleaf Arrowhead
Sairocarpus kingii (S. Watson) D.A. SuttonLeast Snapdragon
Sairocarpus vexillocalyculatus (Kellogg) D.A. Suttonwiry snapdragon
Salicornia rubra A. Nelsonred swampfire
Salix alba L.White Willow
Salix amygdaloides Anderssonpeachleaf willow
Salix barclayi AnderssonBarclay's Willow
Salix bebbiana Sarg.Bebb Willow
Salix boothii DornBooth's willow
Salix brachycarpa Nutt.Shortfruit Willow
Salix candida Flueggé ex Willd.sageleaf willow
Salix commutata Bebbundergreen willow
Salix discolor Muhl.American Pussy Willow
Salix drummondiana Barratt ex Hook.Drummond's willow
Salix eastwoodiae Cockerell ex A. Hellermountain willow
Salix exigua Nutt.narrowleaf willow
Salix geyeriana AnderssonGeyer willow
Salix glauca L.grayleaf willow
Salix gooddingii C.R. BallGoodding's Willow
Salix jepsonii C.K. Schneid.Jepson's willow
Salix laevigata Bebbred willow
Salix lasiolepis Benth.arroyo willow
Salix lemmonii BebbLemmon's Willow
Salix ligulifolia (C.R. Ball) C.R. Ball ex C.K. Schneid.Strapleaf Willow
Salix lutea Nutt.yellow willow
Salix melanopsis Nutt.dusky willow
Salix monochroma C.R. Ballonecolor willow
Salix nivalis Hook.snow willow
Salix orestera C.K. Schneid.Sierra Willow
Salix pentandra L.Laurel Willow
Salix petrophila Rydb.alpine willow
Salix planifolia PurshDiamondleaf Willow
Salix prolixa AnderssonMacKenzie's willow
Salix scouleriana Barratt ex Hook.Scouler's willow
Salix sitchensis Sanson ex Bong.Sitka willow
Salix tweedyi (Bebb ex Rose) C.R. BallTweedy's willow
Salix wolfii BebbWolf's Willow
Salsola paulsenii Litv.barbwire Russian thistle
Salsola tragus L.prickly Russian thistle
Salvia aethiopis L.Mediterranean sage
Salvia azurea Michx. ex Lam.Azure Blue Sage
Salvia columbariae Benth.chia
Salvia dorrii (Kellogg) Abramspurple sage
Salvia sclarea L.Clary Sage
Sambucus racemosa L.Red Elderberry
Sanguisorba annua (Nutt. ex Hook.) Nutt. ex Torr. & A. GrayPrairie Burnet
Sanicula graveolens Poepp. ex DC.northern sanicle
Sanicula tuberosa Torr.turkey pea
Saponaria officinalis L.bouncingbet
Sarcobatus baileyi CovilleBailey's Greasewood
Sarcobatus vermiculatus (Hook.) Torr.Greasewood
Sarcocornia utahensis (Tidestr.) A.J. ScottUtah swampfire
Sarcodes sanguinea Torr.snowplant
Saxifraga adscendens L.wedgeleaf saxifrage
Saxifraga bronchialis L.Yellowdot Saxifrage
Saxifraga caespitosa L.tufted alpine saxifrage
Saxifraga cernua L.Nodding Saxifrage
Saxifraga hyperborea R. Br.Pygmy Saxifrage
Scandix pecten-veneris L.Shepherd's-needle
Schedonnardus paniculatus (Nutt.) Trel.tumblegrass
Scheuchzeria palustris L.rannoch-rush
Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. LöveHardstem Bulrush
Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Kellerchairmaker's bulrush
Schoenoplectus heterochaetus (Chase) Sojákslender bulrush
Schoenoplectus pungens (Vahl) Pallacommon threesquare
Schoenoplectus subterminalis (Torr.) Sojákswaying bulrush
Schoenoplectus tabernaemontani (C.C. Gmel.) Pallasoftstem bulrush
Scirpus congdonii BrittonCongdon's bulrush
Scirpus microcarpus J. Presl & C. Preslpanicled bulrush
Scirpus nevadensis S. WatsonNevada bulrush
Scirpus pallidus (Britton) FernaldCloaked Bulrush
Scleranthus annuus L.German knotgrass
Sclerocactus pubispinus (Engelm.) L.D. BensonGreat Basin Fishhook Cactus
Sclerochloa dura (L.) P. Beauv.common hardgrass
Sclerolinon digynum (A. Gray) C.M. Rogersnorthwestern yellowflax
Scolochloa festucacea (Willd.) Linkcommon rivergrass
Scribneria bolanderi (Thurb.) Hack.Scribner's grass
Scrophularia californica Cham. & Schltdl.California figwort
Scrophularia desertorum (Munz) R.J. ShawDesert Figwort
Scrophularia lanceolata Purshlanceleaf figwort
Scutellaria angustifolia Purshnarrowleaf skullcap
Scutellaria antirrhinoides Benth.nose skullcap
Scutellaria galericulata L.marsh skullcap
Scutellaria nana A. GrayDwarf Skullcap
Scutellaria tuberosa Benth.Danny's skullcap
Secale cereale L.Cereal Rye
Securigera varia (L.) Lassencrownvetch
Sedum debile S. WatsonOrpine Stonecrop
Sedum lanceolatum Torr.spearleaf stonecrop
Sedum leibergii BrittonLeiberg stonecrop
Sedum oregonense (S. Watson) M. PeckCream Stonecrop
Sedum spathulifolium Hook.broadleaf stonecrop
Sedum stenopetalum Purshwormleaf stonecrop
Selaginella densa Rydb.lesser spikemoss
Selaginella selaginoides (L.) P. Beauv. ex Mart. & Schrankclub spikemoss
Selaginella wallacei Hieron.Wallace's spikemoss
Selaginella watsonii Underw.Watson's spikemoss
Senecio amplectens A. GrayShowy Alpine Ragwort
Senecio aronicoides DC.rayless ragwort
Senecio clarkianus A. GrayClark's Ragwort
Senecio crassulus A. Graythickleaf ragwort
Senecio eremophilus Richardsondesert ragwort
Senecio ertterae T.M. BarkleyErtter's Ragwort
Senecio fremontii Torr. & A. Graydwarf mountain ragwort
Senecio hydrophiloides Rydb.tall groundsel
Senecio hydrophilus Nutt.water ragwort
Senecio integerrimus Nutt.lambstongue ragwort
Senecio scorzonella GreeneSierra Ragwort
Senecio serra Hook.tall ragwort
Senecio spartioides Torr. & A. Graybroom-like ragwort
Senecio sphaerocephalus Greeneballhead ragwort
Senecio triangularis Hook.arrowleaf ragwort
Senecio vulgaris L.Common Groundsel
Sesuvium verrucosum Raf.verrucose seapurslane
Setaria italica (L.) P. Beauv.Foxtail Millet
Setaria pumila (Poir.) Roem. & Schult.yellow foxtail
Setaria verticillata (L.) P. Beauv.hooked bristlegrass
Setaria viridis (L.) P. Beauv.green bristlegrass
Shepherdia argentea (Pursh) Nutt.Silver Buffaloberry
Shepherdia canadensis (L.) Nutt.Russet Buffaloberry
Sibbaldia procumbens L.Creeping Sibbaldia
Sidalcea asprella Greenedwarf checkerbloom
Sidalcea candida A. GrayWhite Checkerbloom
Sidalcea glaucescens Greenewaxy checkerbloom
Sidalcea multifida GreeneCutleaf Checkerbloom
Sidalcea neomexicana A. Graysalt spring checkerbloom
Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. GrayOregon checkerbloom
Silene acaulis (L.) Jacq.moss campion
Silene antirrhina L.sleepy silene
Silene bernardina S. WatsonPalmer's catchfly
Silene bridgesii Rohrb.Bridges' Catchfly
Silene conoidea L.weed silene
Silene dichotoma Ehrh.forked catchfly
Silene douglasii Hook.Douglas's catchfly
Silene drummondii Hook.Drummond's campion
Silene invisa C.L. Hitchc. & MaguireRed Fir Catchfly
Silene kingii (S. Watson) BocquetKing's Campion
Silene laciniata Cav.cardinal catchfly
Silene laciniata subsp. californica (Durand) J.K.MortonIndian Pink
Silene latifolia Poir.bladder campion
Silene lemmonii S. WatsonLemmon's catchfly
Silene menziesii Hook.Menzies' campion
Silene nachlingerae TiehmNevada Catchfly
Silene noctiflora L.nightflowering silene
Silene nuda (S. Watson) C.L. Hitchc. & MaguireWestern Fringed Catchfly
Silene occidentalis S. WatsonWestern Catchfly
Silene oregana S. WatsonOregon silene
Silene parryi (S. Watson) C.L. Hitchc. & MaguireParry's silene
Silene repens Patrin ex Pers.Pink Campion
Silene sargentii S. WatsonSargent's Catchfly
Silene scaposa B.L. Rob.Blue Mountain catchfly
Silene scouleri Hook.Simple Campion
Silene suksdorfii B.L. Rob.Suksdorf's silene
Silene verecunda S. WatsonSan Francisco campion
Silene vulgaris (Moench) Garckemaidenstears
Silybum marianum (L.) Gaertn.blessed milkthistle
Sinapis alba L.white mustard
Sinapis arvensis L.charlock mustard
Sisymbrium altissimum L.tall tumblemustard
Sisymbrium linifolium (Nutt.) Nutt.Flaxleaf Plainsmustard
Sisymbrium loeselii L.small tumbleweed mustard
Sisymbrium officinale (L.) Scop.hedgemustard
Sisymbrium orientale L.Indian hedgemustard
Sisyrinchium bellum S. WatsonWestern Blue-eyed Grass
Sisyrinchium halophilum GreeneNevada Blue-Eyed Grass
Sisyrinchium idahoense E.P. BicknellIdaho blue-eyed grass
Sium suave WalterHemlock Waterparsnip
Smelowskia ovalis M.E. Jonesalpine false candytuft
Solanum carolinense L.Carolina Horsenettle
Solanum dulcamara L.Bittersweet Nightshade
Solanum elaeagnifolium Cav.Silverleaf Nightshade
Solanum interius Rydb.Inland Nightshade
Solanum parishii A. HellerParish's nightshade
Solanum physalifolium Rusbyhoe nightshade
Solanum rostratum DunalBuffalobur Nightshade
Solanum triflorum Nutt.cutleaf nightshade
Solidago lepida DC.Western Canada Goldenrod
Solidago missouriensis Nutt.Missouri goldenrod
Solidago multiradiata AitonRocky Mountain goldenrod
Solidago nana Nutt.Baby Goldenrod
Solidago simplex KunthMt. Albert goldenrod
Solidago spectabilis (D.C. Eaton) A. GrayNevada Goldenrod
Solidago velutina DC.Threenerve Goldenrod
Sonchus arvensis L.field sowthistle
Sonchus asper (L.) Hillspiny sowthistle
Sonchus oleraceus L.common sowthistle
Sorbus californica GreeneCalifornia mountain ash
Sorbus scopulina GreeneGreene's mountain ash
Sorbus sitchensis M. Roem.western mountain ash
Sorghum bicolor (L.) MoenchSorghum
Sorghum halepense (L.) Pers.Johnsongrass
Sparganium angustifolium Michx.narrowleaf bur-reed
Sparganium emersum RehmannEuropean bur-reed
Sparganium eurycarpum Engelm.broadfruit bur-reed
Sparganium natans L.Small Bur-reed
Spartina gracilis Trin.alkali cordgrass
Spartina pectinata Bosc ex LinkPrairie Cordgrass
Spergularia diandra (Guss.) Held. & Sart.alkali sandspurry
Spergularia rubra (L.) J. Presl & C. PreslRed Sandspurry
Sphaeralcea ambigua A. Graydesert globemallow
Sphaeralcea coccinea (Nutt.) Rydb.scarlet globemallow
Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb.gooseberryleaf globemallow
Sphaeralcea munroana (Douglas) SpachMunro's globemallow
Sphaeralcea parvifolia A. Nelsonsmall-leaf globemallow
Sphaerophysa salsula (Pall.) DC.alkali swainsonpea
Sphenopholis intermedia (Rydb.) Rydb.slender wedgescale
Sphenopholis obtusata (Michx.) Scribn.Prairie Wedgescale
Sphenosciadium capitellatum A. Graywoollyhead parsnip
Spiraea douglasii Hook.rose spirea
Spiraea lucida Douglas ex Greeneshinyleaf spirea
Spiraea splendens Baumann ex K. Kochrose meadowsweet
Spiranthes diluvialis SheviakUte Lady's Tresses
Spiranthes porrifolia Lindl.creamy lady's tresses
Spiranthes romanzoffiana Cham.hooded lady's tresses
Spirodela polyrhiza (L.) Schleid.Common Duckmeat
Sporobolus airoides (Torr.) Torr.Alkali Sacaton
Sporobolus cryptandrus (Torr.) A. Graysand dropseed
Sporobolus flexuosus (Thurb. ex Vasey) Rydb.mesa dropseed
Stachys ajugoides Benth.bugle hedgenettle
Stachys arvensis (L.) L.staggerweed
Stachys chamissonis Benth.coastal hedgenettle
Stachys pilosa Nutt.hairy hedgenettle
Stachys rigida Nutt. ex Benth.rough hedgenettle
Stanleya confertiflora (B.L. Rob.) HowellOregon Princesplume
Stanleya pinnata (Pursh) Brittondesert princesplume
Stanleya viridiflora Nutt.Green Princesplume
Stellaria borealis Bigelowboreal starwort
Stellaria calycantha (Ledeb.) Bong.northern starwort
Stellaria crassifolia Ehrh.fleshy starwort
Stellaria crispa Cham. & Schltdl.curled starwort
Stellaria graminea L.grass-like starwort
Stellaria longifolia Muhl. ex Willd.longleaf starwort
Stellaria longipes Goldielongstalk starwort
Stellaria media (L.) Vill.common chickweed
Stellaria nitens Nutt.Shiny Chickweed
Stellaria obtusa Engelm.Rocky Mountain chickweed
Stellaria umbellata Turcz. ex Kar. & Kir.umbrella starwort
Stenotus acaulis (Nutt.) Nutt.Stemless Mock Goldenweed
Stenotus lanuginosus (A. Gray) Greenewoolly mock goldenweed
Stephanomeria exigua Nutt.Small Wirelettuce
Stephanomeria lactucina A. Graylettuce wirelettuce
Stephanomeria malheurensis GottliebMalheur Wirelettuce
Stephanomeria paniculata Nutt.tufted wirelettuce
Stephanomeria pauciflora (Torr.) A. Nelsonbrownplume wirelettuce
Stephanomeria runcinata Nutt.Desert Wirelettuce
Stephanomeria tenuifolia (Torr.) H.M.HallLesser Wirelettuce
Stephanomeria virgata Benth.rod wirelettuce
Streptanthella longirostris (S. Watson) Rydb.longbeak streptanthella
Streptanthus barnebyi (Rollins & P.K.Holmgren) Al-ShehbazBlack Rock Wild Cabbage
Streptanthus cordatus Nutt.Heartleaf Twistflower
Streptanthus crassicaulis Torr.Thickstem Wild Cabbage
Streptanthus major (M.E.Jones) Jeps.Slender Wild Cabbage
Streptanthus pilosus (S.Watson) Jeps.Hairy Wild Cabbage
Streptanthus tortuosus Kelloggshieldplant
Streptopus amplexifolius (L.) DC.claspleaf twistedstalk
Stuckenia filiformis (Pers.) BörnerFineleaf Pondweed
Stuckenia pectinata (L.) BörnerSago Pondweed
Stuckenia striata (Ruiz & Pav.) Holubbroadleaf pondweed
Stuckenia vaginata (Turcz.) HolubSheathed Pondweed
Stylocline psilocarphoides M. PeckBaretwig Neststraw
Suaeda calceoliformis (Hook.) Moq.Pursh Seepweed
Suaeda linifolia Pall.Pin-leaf Seepweed
Suaeda nigra (Raf.) J.F.Macbr.Mojave Seablite
Subularia aquatica L.waterawlwort
Swertia perennis L.felwort
Symphoricarpos albus (L.) S.F. BlakeCommon Snowberry
Symphoricarpos longiflorus A. Graydesert snowberry
Symphoricarpos mollis Nutt.creeping snowberry
Symphoricarpos occidentalis Hook.Western Snowberry
Symphoricarpos oreophilus A. Graymountain snowberry
Symphoricarpos rotundifolius A. Grayroundleaf snowberry
Symphyotrichum ascendens (Lindl.) G.L. NesomWestern Aster
Symphyotrichum campestre (Nutt.) G.L. Nesomwestern meadow aster
Symphyotrichum ciliatum (Ledeb.) G.L. NesomRayless Alkali Aster
Symphyotrichum eatonii (A. Gray) G.L. NesomEaton's aster
Symphyotrichum ericoides (L.) G.L. NesomWhite Heath Aster
Symphyotrichum falcatum (Lindl.) G.L. Nesomwhite prairie aster
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesomalpine leafybract aster
Symphyotrichum frondosum (Nutt.) G.L. Nesomshort-rayed alkali aster
Symphyotrichum hendersonii (Fernald) G.L. NesomLyall Aster
Symphyotrichum laeve (L.) Á. Löve & D. LöveSmooth Blue Aster
Symphyotrichum lanceolatum (Willd.) G.L. NesomWhite Panicled Aster
Symphyotrichum spathulatum (Lindl.) G.L. Nesomwestern mountain aster
Symphyotrichum subspicatum (Nees) G.L. NesomDouglas aster
Symphytum officinale L.common comfrey
Synthyris missurica (Raf.) Pennelltailed kittentails
Synthyris pinnatifida S. Watsonfeatherleaf kittentails
Syringa vulgaris L.common lilac
Taeniatherum caput-medusae (L.) NevskiMedusahead
Tamarix chinensis Lour.Five-stamen Tamarisk
Tamarix gallica L.French tamarisk
Tamarix parviflora DC.smallflower tamarisk
Tanacetum balsamita L.costmary
Tanacetum parthenium (L.) Sch. Bip.feverfew
Tanacetum vulgare L.common tansy
Taraxacum officinale F.H. Wigg.common dandelion
Taraxia tanacetifolia (Torr. & A.Gray) PiperTansyleaf Evening Primrose
Taxus brevifolia Nutt.Pacific Yew
Tetradymia canescens DC.spineless horsebrush
Tetradymia glabrata Torr. & A. GrayLittleleaf Horsebrush
Tetradymia nuttallii Torr. & A. GrayNuttall's Horsebrush
Tetradymia spinosa Hook. & Arn.Shortspine Horsebrush
Tetradymia tetrameres (S.F. Blake) StrotherFourpart Horsebrush
Tetragonia tetragonoides (Pall.) KuntzeNew Zealand Spinach
Tetraneuris acaulis (Pursh) Greenestemless four-nerve daisy
Teucrium canadense L.Canada germander
Thalictrum alpinum L.Alpine Meadow-Rue
Thalictrum fendleri Engelm. ex A. GrayFendler's meadow-rue
Thalictrum occidentale A. Graywestern meadow-rue
Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey.Fewflower Meadow-Rue
Thalictrum venulosum Trel.Veiny Meadow-Rue
Thelypodiopsis vermicularis (S.L. Welsh & Reveal) RollinsGreat Basin Tumblemustard
Thelypodium brachycarpum Torr.shortpod thelypody
Thelypodium crispum Greene ex PaysonCrisped Thelypody
Thelypodium flexuosum B.L. Rob.Nodding Thelypody
Thelypodium howellii S. WatsonHowell's Thelypody
Thelypodium integrifolium (Nutt.) Endl. ex Walp.entireleaved thelypody
Thelypodium laciniatum (Hook.) Endl. ex Walp.cutleaf thelypody
Thelypodium milleflorum A. Nelsonmanyflower thelypody
Thelypodium paniculatum A. NelsonNorthwestern Thelypody
Thelypodium sagittatum (Nutt. ex Torr. & A. Gray) Endl. ex Walp.Arrow Thelypody
Thermopsis californica S. WatsonCalifornia goldenbanner
Thermopsis gracilis Howellslender goldenbanner
Thermopsis montana Nutt.Mountain Goldenbanner
Thinopyrum intermedium (Host) Barkworth & D.R. Deweyintermediate wheatgrass
Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wangtall wheatgrass
Thlaspi arvense L.field pennycress
Thuja plicata Donn ex D. DonWestern Redcedar
Thysanocarpus curvipes Hook.sand fringepod
Tiarella trifoliata L.threeleaf foamflower
Tiquilia nuttallii (Hook.) A.T. RichardsonNuttall's crinklemat
Tiquilia plicata (Torr.) A.T. Richardsonfanleaf crinklemat
Toiyabea eximia (H.M.Hall) G.L.NesomLake Tahoe Serpentweed
Tomostima reptans (Lam.) Al-Shehbaz, M.Koch & Jordon-ThadenCarolina Draba
Tonestus lyallii (A. Gray) A. NelsonLyall's goldenweed
Torreyochloa erecta (Hitchc.) Churchspiked false mannagrass

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

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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