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3831 Plants Found

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Ordered by scientific name.

Scientific NameCommon NameMap‡
Ranunculus acris L.tall buttercup
Ranunculus alismifolius Geyer ex Benth.plantainleaf buttercup
Ranunculus aquatilis L.white water crowfoot
Ranunculus arvensis L.corn buttercup
Ranunculus austro-oreganus L.D.BensonSouthern Oregon Buttercup
Ranunculus bulbosus L.St. Anthony's turnip
Ranunculus californicus Benth.California buttercup
Ranunculus canus Benth.Sacramento Valley buttercup
Ranunculus cymbalaria PurshAlkali Buttercup
Ranunculus eschscholtzii Schltdl.Eschscholtz's Buttercup
Ranunculus ficaria L.Lesser Celandine
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 lobbii (Hiern.) A. GrayLobb's buttercup
Ranunculus longirostris Godr.Longbeak Buttercup
Ranunculus macounii BrittonMacoun's buttercup
Ranunculus muricatus L.spinyfruit buttercup
Ranunculus occidentalis Nutt.western buttercup
Ranunculus orthorhynchus Hook.straightbeak buttercup
Ranunculus parviflorus L.smallflower buttercup
Ranunculus pensylvanicus L. f.Pennsylvania buttercup
Ranunculus populago Greenepopular buttercup
Ranunculus repens L.creeping buttercup
Ranunculus sardous Crantzhairy buttercup
Ranunculus sceleratus L.cursed buttercup
Ranunculus suksdorfii A. GraySuksdorf's 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
Rapistrum rugosum (L.) All.Annual Bastard Cabbage
Reseda alba L.white upright mignonette
Reseda lutea L.yellow mignonette
Reseda luteola L.weld
Reynoutria sachalinensis (F.Schmidt) NakaiGiant Knotweed
Rhamnus alnifolia L'Hér.alderleaf buckthorn
Rhamnus cathartica L.Common Buckthorn
Rhamnus ilicifolia Kellogghollyleaf redberry
Rhinanthus minor L.little yellow rattle
Rhinotropis californica (Nutt.) J.R.AbbottCalifornia Milkwort
Rhinotropis cornuta (Kellogg) J.R.AbbottSierra Milkwort
Rhodiola integrifolia Raf.ledge stonecrop
Rhododendron albiflorum Hook.Cascade azalea
Rhododendron columbianum (Piper) HarmajaWestern Labrador Tea
Rhododendron groenlandicum (Oeder) Kron & JuddBog Labrador Tea
Rhododendron macrophyllum D. Don ex G. DonPacific rhododendron
Rhododendron occidentale (Torr. & A. Gray) A. Graywestern azalea
Rhus aromatica AitonFragrant Sumac
Rhus glabra L.Smooth Sumac
Rhus trilobata Nutt.Skunkbush Sumac
Rhynchospora alba (L.) VahlWhite Beaksedge
Ribes acerifolium Howellmapleleaf currant
Ribes aureum PurshGolden Currant
Ribes binominatum A. HellerGround Gooseberry
Ribes bracteosum Douglas ex Hook.stink currant
Ribes cereum Douglaswax currant
Ribes divaricatum DouglasSpreading Gooseberry
Ribes erythrocarpum Coville & LeibergCrater Lake Currant
Ribes hudsonianum RichardsonNorthern Black Currant
Ribes inerme Rydb.whitestem gooseberry
Ribes lacustre (Pers.) Poir.prickly currant
Ribes laxiflorum Purshtrailing black currant
Ribes lobbii A. GrayGummy Gooseberry
Ribes marshallii GreeneHupa Gooseberry
Ribes menziesii Purshcanyon gooseberry
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 rubrum L.cultivated currant
Ribes sanguineum Purshredflower currant
Ribes triste Pall.red currant
Ribes velutinum Greenedesert gooseberry
Ribes viscosissimum Purshsticky currant
Ribes watsonianum Koehnespring gooseberry
Ricinus communis L.castorbean
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
Romanzoffia californica GreeneCalifornia mistmaiden
Romanzoffia sitchensis Bong.Sitka Mistmaiden
Romanzoffia thompsonii MarttalaThompson's Mistmaiden
Romanzoffia tracyi Jeps.Tracy's mistmaiden
Romneya coulteri Harv.Coulter's Matilija poppy
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 indica (L.) Hiern.Variableleaf Yellowcress
Rorippa palustris (L.) Besserbog yellowcress
Rorippa sinuata (Nutt.) Hitchc.spreading yellowcress
Rorippa sylvestris (L.) BesserCreeping 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 nutkana C. PreslNootka Rose
Rosa pisocarpa A. GrayCluster Rose
Rosa rubiginosa L.sweetbriar rose
Rosa rugosa Thunb.rugosa rose
Rosa spithamea S. Watsonground rose
Rosa woodsii Lindl.Woods' Rose
Rostraria cristata (L.) TzvelevMediterranean hairgrass
Rotala ramosior (L.) Koehnelowland rotala
Rubus glaucifolius KelloggSan Diego raspberry
Rubus laciniatus Willd.cutleaf blackberry
Rubus lasiococcus A. Grayroughfruit berry
Rubus leucodermis Douglas ex Torr. & A. Graywhitebark raspberry
Rubus macrophyllus Weihe & Neeslargeleaf blackberry
Rubus nivalis Douglas ex Hook.snow raspberry
Rubus parviflorus Nutt.thimbleberry
Rubus pedatus Sm.strawberryleaf raspberry
Rubus pubescens Raf.dwarf red blackberry
Rubus spectabilis Purshsalmonberry
Rubus strigosus Michx.American Red Raspberry
Rubus ulmifolius Schottelmleaf blackberry
Rubus ursinus Cham. & Schltdl.California Blackberry
Rubus vestitus WeiheEuropean blackberry
Rudbeckia alpicola PiperShowy Coneflower
Rudbeckia glaucescens Eastw.Waxy Coneflower
Rudbeckia hirta L.Black-eyed Susan
Rudbeckia klamathensis P. Cox & UrbatschKlamath Coneflower
Rudbeckia laciniata L.Cutleaf Coneflower
Rudbeckia occidentalis Nutt.western coneflower
Rumex acetosa L.Garden Sorrel
Rumex acetosella L.Common Sheep Sorrel
Rumex conglomeratus Murrayclustered dock
Rumex crispus L.curly dock
Rumex dentatus L.toothed 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 sanguineus L.redvein dock
Rumex stenophyllus Ledeb.narrowleaf dock
Rumex venosus PurshVeiny Dock
Rupertia physodes (Douglas ex Hook.) J. GrimesForest Scurfpea
Ruppia maritima L.widgeongrass
Sabulina howellii (S.Watson) Dillenb. & KadereitHowell's Stitchwort
Sabulina rubella (Wahlenb.) Dillenb. & KadereitBeautiful Sandwort
Sabulina stolonifera (T.W.Nelson & J.P.Nelson) Dillenb. & KadereitStolon Sandwort
Sagina apetala Ard.annual pearlwort
Sagina decumbens (Elliott) Torr. & A. Graytrailing pearlwort
Sagina japonica (Sw.) OhwiJapanese pearlwort
Sagina maxima A. Graystickystem pearlwort
Sagina procumbens L.Birdeye Pearlwort
Sagina saginoides (L.) Karst.arctic pearlwort
Sagittaria calycina Engelm.Hooded Arrowhead
Sagittaria cuneata Sheldonarumleaf arrowhead
Sagittaria latifolia Willd.Broadleaf Arrowhead
Sagittaria longiloba Engelm. ex J.G. Sm.longbarb arrowhead
Sagittaria platyphylla (Engelm.) J.G. Sm.delta arrowhead
Sairocarpus cornutus (Benth.) D.A. Suttonspurred snapdragon
Sairocarpus vexillocalyculatus (Kellogg) D.A. Suttonwiry snapdragon
Salicornia depressa Standl.Virginia glasswort
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 cascadensis Cockerellcascade willow
Salix commutata Bebbundergreen willow
Salix delnortensis C.K. Schneid.Del Norte Willow
Salix drummondiana Barratt ex Hook.Drummond's willow
Salix eastwoodiae Cockerell ex A. Hellermountain willow
Salix exigua Nutt.narrowleaf willow
Salix farriae C.R. BallFarr's willow
Salix geyeriana AnderssonGeyer willow
Salix gooddingii C.R. BallGoodding's Willow
Salix hookeriana Barratt ex Hook.dune 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 pedicellaris Purshbog willow
Salix planifolia PurshDiamondleaf Willow
Salix prolixa AnderssonMacKenzie's willow
Salix scouleriana Barratt ex Hook.Scouler's willow
Salix sessilifolia Nutt.northwest sandbar willow
Salix sitchensis Sanson ex Bong.Sitka willow
Salsola tragus L.prickly Russian thistle
Salvia aethiopis L.Mediterranean sage
Salvia dorrii (Kellogg) Abramspurple sage
Salvia pratensis L.introduced sage
Salvia reflexa Hornem.Lanceleaf Sage
Salvia sclarea L.Clary Sage
Salvia sonomensis Greenecreeping sage
Salvia virgata Jacq.wand sage
Sambucus racemosa L.Red Elderberry
Sanguisorba annua (Nutt. ex Hook.) Nutt. ex Torr. & A. GrayPrairie Burnet
Sanguisorba canadensis L.Canadian burnet
Sanguisorba officinalis L.great burnet
Sanicula arctopoides Hook. & Arn.footsteps of spring
Sanicula bipinnatifida Douglas ex Hook.purple sanicle
Sanicula crassicaulis Poepp. ex DC.Pacific blacksnakeroot
Sanicula graveolens Poepp. ex DC.northern sanicle
Sanicula tuberosa Torr.turkey pea
Santolina chamaecyparissus L.lavender cotton
Saponaria ocymoides L.rock soapwort
Saponaria officinalis L.bouncingbet
Sarcobatus vermiculatus (Hook.) Torr.Greasewood
Sarcodes sanguinea Torr.snowplant
Sarracenia purpurea L.purple pitcherplant
Saussurea americana D.C. EatonAmerican saw-wort
Saxifraga bronchialis L.Yellowdot Saxifrage
Saxifraga caespitosa L.tufted alpine saxifrage
Saxifraga hyperborea R. Br.Pygmy Saxifrage
Saxifraga mertensiana Bong.wood saxifrage
Saxifraga oppositifolia L.purple mountain saxifrage
Saxifraga sibthorpii Boiss.Yellow Saxifrage
Saxifraga tridactylites L.Rueleaf Saxifrage
Saxifragopsis fragarioides (Greene) SmallStrawberry Saxifrage
Scabiosa atropurpurea L.Mourningbride
Scandix pecten-veneris L.Shepherd's-needle
Schedonnardus paniculatus (Nutt.) Trel.tumblegrass
Scheuchzeria palustris L.rannoch-rush
Schoenoplectiella mucronata (L.) J. Jung & H.K. Choibog bulrush
Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. LöveHardstem Bulrush
Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Kellerchairmaker's bulrush
Schoenoplectus californicus (C.A. Mey.) PallaCalifornia Bulrush
Schoenoplectus heterochaetus (Chase) Sojákslender bulrush
Schoenoplectus pungens (Vahl) Pallacommon threesquare
Schoenoplectus subterminalis (Torr.) Sojákswaying bulrush
Schoenoplectus tabernaemontani (C.C. Gmel.) Pallasoftstem bulrush
Schoenoplectus triqueter (L.) PallaStreambank Bulrush
Scirpus congdonii BrittonCongdon's bulrush
Scirpus cyperinus (L.) KunthWoolgrass
Scirpus microcarpus J. Presl & C. Preslpanicled bulrush
Scirpus nevadensis S. WatsonNevada bulrush
Scirpus pallidus (Britton) FernaldCloaked Bulrush
Scirpus pendulus Muhl.Rufous Bulrush
Scleranthus annuus L.German knotgrass
Sclerochloa dura (L.) P. Beauv.common hardgrass
Sclerolinon digynum (A. Gray) C.M. Rogersnorthwestern yellowflax
Scoliopus hallii S. WatsonOregon Fetid Adderstongue
Scribneria bolanderi (Thurb.) Hack.Scribner's grass
Scrophularia californica Cham. & Schltdl.California figwort
Scrophularia desertorum (Munz) R.J. ShawDesert Figwort
Scrophularia lanceolata Purshlanceleaf figwort
Scrophularia nodosa L.woodland figwort
Scrophularia oregana PennellOregon figwort
Scutellaria angustifolia Purshnarrowleaf skullcap
Scutellaria antirrhinoides Benth.nose skullcap
Scutellaria californica A. GrayCalifornia skullcap
Scutellaria galericulata L.marsh skullcap
Scutellaria lateriflora L.blue skullcap
Scutellaria nana A. GrayDwarf Skullcap
Scutellaria siphocampyloides VatkeGrayleaf Skullcap
Scutellaria tuberosa Benth.Danny's skullcap
Secale cereale L.Cereal Rye
Securigera varia (L.) Lassencrownvetch
Sedella pumila (Benth.) Britton & RoseSierra mock stonecrop
Sedum acre L.goldmoss stonecrop
Sedum album L.white stonecrop
Sedum divergens S. WatsonPacific stonecrop
Sedum lanceolatum Torr.spearleaf stonecrop
Sedum laxum (Britton) A. BergerRoseflower Stonecrop
Sedum leibergii BrittonLeiberg stonecrop
Sedum oblanceolatum R.T. ClausenOblongleaf Stonecrop
Sedum obtusatum A. GraySierra stonecrop
Sedum oreganum Nutt.Oregon stonecrop
Sedum oregonense (S. Watson) M. PeckCream Stonecrop
Sedum radiatum S. WatsonCoast Range stonecrop
Sedum rupicola G.N. Jonescurvedleaf stonecrop
Sedum spathulifolium Hook.broadleaf stonecrop
Sedum stenopetalum Purshwormleaf stonecrop
Selaginella densa Rydb.lesser spikemoss
Selaginella douglasii (Hook. & Grev.) SpringDouglas' spikemoss
Selaginella oregana D.C. EatonOregon spikemoss
Selaginella wallacei Hieron.Wallace's spikemoss
Senecio aronicoides DC.rayless ragwort
Senecio cineraria DC.dusty miller
Senecio fremontii Torr. & A. Graydwarf mountain ragwort
Senecio hydrophiloides Rydb.tall groundsel
Senecio hydrophilus Nutt.water ragwort
Senecio integerrimus Nutt.lambstongue ragwort
Senecio serra Hook.tall ragwort
Senecio sphaerocephalus Greeneballhead ragwort
Senecio sylvaticus L.woodland ragwort
Senecio triangularis Hook.arrowleaf ragwort
Senecio viscosus L.sticky ragwort
Senecio vulgaris L.Common Groundsel
Sequoia sempervirens (Lamb. ex D. Don) Endl.Coast Redwood
Sericocarpus oregonensis Nutt.Oregon Whitetop Aster
Sericocarpus rigidus Lindl.Columbian whitetop aster
Sesuvium verrucosum Raf.verrucose seapurslane
Setaria faberi Herrm.Giant Foxtail
Setaria italica (L.) P. Beauv.Foxtail Millet
Setaria parviflora (Poir.) Kerguélenmarsh bristlegrass
Setaria pumila (Poir.) Roem. & Schult.yellow foxtail
Setaria verticillata (L.) P. Beauv.hooked bristlegrass
Setaria viridis (L.) P. Beauv.green bristlegrass
Shepherdia canadensis (L.) Nutt.Russet Buffaloberry
Sherardia arvensis L.Blue Fieldmadder
Sibbaldia procumbens L.Creeping Sibbaldia
Sidalcea asprella Greenedwarf checkerbloom
Sidalcea asprella subsp. elegans (Greene) HalseDwarf Checkerbloom
Sidalcea campestris Greenemeadow checkerbloom
Sidalcea celata (Jeps.) S.R. HillDwarf Checkerbloom
Sidalcea cusickii PiperCusick's Checkerbloom
Sidalcea diploscypha (Torr. & A. Gray) A. Grayfringed checkerbloom
Sidalcea glaucescens Greenewaxy checkerbloom
Sidalcea hendersonii S. WatsonHenderson's checkerbloom
Sidalcea hirtipes C.L. Hitchc.bristlystem checkerbloom
Sidalcea malviflora (DC.) A. Gray ex Benth.dwarf checkerbloom
Sidalcea nelsoniana PiperNelson's 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 dioica (L.) Clairvillered catchfly
Silene douglasii Hook.Douglas's catchfly
Silene gallica L.common catchfly
Silene grayi S. WatsonGray's Catchfly
Silene greenei (S.Watson ex B.L.Rob.) HowellRed Mountain Catchfly
Silene hookeri Nutt.Hooker's Silene
Silene invisa C.L. Hitchc. & MaguireRed Fir Catchfly
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 marmorensis Kruckeb.Marble Mountain Catchfly
Silene menziesii Hook.Menzies' campion
Silene noctiflora L.nightflowering silene
Silene oregana S. WatsonOregon silene
Silene parryi (S. Watson) C.L. Hitchc. & MaguireParry's silene
Silene pendula L.Nodding Catchfly
Silene scaposa B.L. Rob.Blue Mountain catchfly
Silene scouleri Hook.Simple Campion
Silene seelyi Morton & J.W. Thomp.Seely's catchfly
Silene suksdorfii B.L. Rob.Suksdorf's silene
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 californicum (Ker Gawl.) Aitongolden blue-eyed grass
Sisyrinchium elmeri GreeneElmer's Blue-eyed Grass
Sisyrinchium halophilum GreeneNevada Blue-Eyed Grass
Sisyrinchium hitchcockii Douglass M. Hend.Hitchcock's Blue-eyed Grass
Sisyrinchium idahoense E.P. BicknellIdaho blue-eyed grass
Sisyrinchium sarmentosum Suksd. ex GreeneMountain Blue-Eyed Grass
Sium suave WalterHemlock Waterparsnip
Smelowskia ovalis M.E. Jonesalpine false candytuft
Smilax californica (A. DC.) A. GrayCalifornia greenbrier
Smilax glauca Waltercat greenbrier
Smilax jamesii G. WallaceEnglish Peak Greenbrier
Smithiastrum wilkinsianum (Greene) MorinWilkins' Bellflower
Solanum americanum Mill.American Black Nightshade
Solanum aviculare G. Forst.New Zealand Nightshade
Solanum douglasii DunalGreenspot Nightshade
Solanum dulcamara L.Bittersweet Nightshade
Solanum elaeagnifolium Cav.Silverleaf Nightshade
Solanum furcatum Dunal ex Poir.forked nightshade
Solanum lycopersicum L.Garden Tomato
Solanum nigrum L.black nightshade
Solanum parishii A. HellerParish's nightshade
Solanum physalifolium Rusbyhoe nightshade
Solanum rostratum DunalBuffalobur Nightshade
Solanum sisymbriifolium Lam.Sticky Nightshade
Solanum triflorum Nutt.cutleaf nightshade
Solanum tuberosum L.Cultivated Potato
Solanum umbelliferum Eschsch.bluewitch nightshade
Solanum villosum (L.) Mill.hairy nightshade
Solanum xanti A. Graychaparral nightshade
Solidago lepida DC.Western Canada Goldenrod
Solidago missouriensis Nutt.Missouri goldenrod
Solidago multiradiata AitonRocky Mountain goldenrod
Solidago simplex KunthMt. Albert goldenrod
Solidago spectabilis (D.C. Eaton) A. GrayNevada Goldenrod
Solidago velutina DC.Threenerve Goldenrod
Soliva sessilis Ruiz & Pav.field burrweed
Sonchus arvensis L.field sowthistle
Sonchus asper (L.) Hillspiny sowthistle
Sonchus oleraceus L.common sowthistle
Sorbaria kirilowii (Regel) Maxim.giant false spiraea
Sorbus aucuparia L.European mountain ash
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 alterniflora Loisel.Smooth Cordgrass
Spartina anglica C.E. Hubbardcommon cordgrass
Spartina gracilis Trin.alkali cordgrass
Spartina patens (Aiton) Muhl.Saltmeadow Cordgrass
Spartina pectinata Bosc ex LinkPrairie Cordgrass
Spartium junceum L.Spanish broom
Spergula arvensis L.corn spurry
Spergularia canadensis (Pers.) G. DonCanadian sandspurry
Spergularia diandra (Guss.) Held. & Sart.alkali sandspurry
Spergularia macrotheca (Hornem.) Heynh.sticky sandspurry
Spergularia rubra (L.) J. Presl & C. PreslRed Sandspurry
Spergularia villosa (Pers.) Camb.hairy sandspurry
Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb.gooseberryleaf globemallow
Sphaeralcea munroana (Douglas) SpachMunro's 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 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 compositus (Poir.) Merr.Composite Dropseed
Sporobolus cryptandrus (Torr.) A. Graysand dropseed
Sporobolus indicus (L.) R. Br.Small Smutgrass
Sporobolus neglectus Nashpuffsheath dropseed
Stachys ajugoides Benth.bugle hedgenettle
Stachys arvensis (L.) L.staggerweed
Stachys byzantina K. Kochwoolly hedgenettle
Stachys chamissonis Benth.coastal hedgenettle
Stachys mexicana Benth.Mexican hedgenettle
Stachys pilosa Nutt.hairy hedgenettle
Stachys pycnantha Benth.shortspike hedgenettle
Stachys rigida Nutt. ex Benth.rough hedgenettle
Stachys stricta GreeneSonoma hedgenettle
Staphylea bolanderi A. GraySierra Bladdernut
Stellaria alsine Grimmbog chickweed
Stellaria borealis Bigelowboreal starwort
Stellaria calycantha (Ledeb.) Bong.northern starwort
Stellaria crispa Cham. & Schltdl.curled starwort
Stellaria graminea L.grass-like starwort
Stellaria humifusa Rottb.saltmarsh 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 lanuginosus (A. Gray) Greenewoolly mock goldenweed
Stephanomeria elata Nutt.Santa Barbara wirelettuce
Stephanomeria exigua Nutt.Small Wirelettuce
Stephanomeria lactucina A. Graylettuce wirelettuce
Stephanomeria paniculata Nutt.tufted wirelettuce
Stephanomeria tenuifolia (Torr.) H.M.HallLesser Wirelettuce
Stephanomeria virgata Benth.rod wirelettuce
Streptanthella longirostris (S. Watson) Rydb.longbeak streptanthella
Streptanthus barbatus S. WatsonPacific Jewelflower
Streptanthus breweri A. GrayBrewer's jewelflower
Streptanthus howellii S. WatsonHowell's Jewelflower
Streptanthus lasiophyllus (Hook. & Arn.) HooverCalifornia Mustard
Streptanthus pilosus (S.Watson) Jeps.Hairy Wild Cabbage
Streptanthus tortuosus Kelloggshieldplant
Streptopus amplexifolius (L.) DC.claspleaf twistedstalk
Streptopus lanceolatus (Aiton) Revealtwistedstalk
Streptopus streptopoides (Ledeb.) Frye & Riggsmall twistedstalk
Stuckenia filiformis (Pers.) BörnerFineleaf Pondweed
Stuckenia pectinata (L.) BörnerSago Pondweed
Stuckenia vaginata (Turcz.) HolubSheathed Pondweed
Suaeda calceoliformis (Hook.) Moq.Pursh Seepweed
Suaeda nigra (Raf.) J.F.Macbr.Mojave Seablite
Subularia aquatica L.waterawlwort
Suksdorfia violacea A. Grayviolet suksdorfia
Sullivantia oregana S. WatsonOregon Coolwort
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
Symphyotrichum ascendens (Lindl.) G.L. NesomWestern Aster
Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Lövenorthern bog aster
Symphyotrichum campestre (Nutt.) G.L. Nesomwestern meadow aster

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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 Introduced but Eliminated Native or Not Present Introduced or Not Present Native or Introduced Expanded 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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