Home » Search: All Plants in Northwestern Forested Mountains

8729 Plants Found

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Ordered by scientific name.

Scientific NameCommon NameMap‡
Saussurea nuda Ledeb.Nutty Saw-wort
Saussurea weberi HulténWeber's Saw-wort
Saxifraga adscendens L.wedgeleaf saxifrage
Saxifraga bronchialis L.Yellowdot Saxifrage
Saxifraga caespitosa L.tufted alpine saxifrage
Saxifraga cernua L.Nodding Saxifrage
Saxifraga chrysantha A. GrayGoldbloom Saxifrage
Saxifraga flagellaris Willd. ex Sternb.Whiplash Saxifrage
Saxifraga hirculus L.Yellow Marsh Saxifrage
Saxifraga hyperborea R. Br.Pygmy Saxifrage
Saxifraga mertensiana Bong.wood saxifrage
Saxifraga oppositifolia L.purple mountain saxifrage
Saxifraga serpyllifolia PurshThymeleaf Saxifrage
Saxifraga sibthorpii Boiss.Yellow Saxifrage
Saxifraga tridactylites L.Rueleaf Saxifrage
Saxifragopsis fragarioides (Greene) SmallStrawberry Saxifrage
Scabiosa atropurpurea L.Mourningbride
Scabrethia scabra (Hook.) W.A. WeberBadlands Mule-Ears
Scandix pecten-veneris L.Shepherd's-needle
Schedonnardus paniculatus (Nutt.) Trel.tumblegrass
Scheuchzeria palustris L.rannoch-rush
Schinus molle L.Peruvian peppertree
Schismus arabicus NeesArabian schismus
Schismus barbatus (Loefl. ex L.) Thell.common Mediterranean grass
Schizachne purpurascens (Torr.) Swallenfalse melic
Schizachyrium sanguineum (Retz.) Alstoncrimson bluestem
Schizachyrium scoparium (Michx.) NashLittle Bluestem
Schkuhria multiflora Hook. & Arn.manyflower false threadleaf
Schkuhria pinnata (Lam.) Kuntze ex Thell.pinnate false threadleaf
Schoenoplectiella mucronata (L.) J. Jung & H.K. Choibog bulrush
Schoenoplectiella saximontana (Fernald) LyeRocky Mountain 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
Schoenus nigricans L.Black Bogrush
Scirpus atrocinctus Fernaldblackgirdle bulrush
Scirpus atrovirens Willd.green bulrush
Scirpus congdonii BrittonCongdon's bulrush
Scirpus cyperinus (L.) KunthWoolgrass
Scirpus diffusus SchuylerUmbrella Bulrush
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
Sclerocactus brevispinus K.D. Heil & J.M. PorterPariette Cactus
Sclerocactus glaucus (J.A. Purpus ex K. Schum.) L.D. BensonColorado Hookless Cactus
Sclerocactus mesae-verdae (Boissev. & C. Davidson) L.D. BensonMesa Verde Fishhook Cactus
Sclerocactus papyracanthus (Engelm.) N.P. Taylorpaperspine fishhook cactus
Sclerocactus parviflorus Clover & JotterSmallflower Fishhook Cactus
Sclerocactus polyancistrus (Engelm. & J.M. Bigelow) Britton & RoseRedspined Fishhook Cactus
Sclerocactus pubispinus (Engelm.) L.D. BensonGreat Basin Fishhook Cactus
Sclerocactus spinosior (Engelm.) Woodruff & L.D. BensonDesert Valley Fishhook Cactus
Sclerocactus wetlandicus HochstätterUinta Basin Hookless Cactus
Sclerocactus whipplei (Engelm. & J.M. Bigelow) Britton & RoseWhipple's Fishhook Cactus
Sclerocactus wrightiae L.D. BensonWright's Fishhook Cactus
Sclerochloa dura (L.) P. Beauv.common hardgrass
Sclerolinon digynum (A. Gray) C.M. Rogersnorthwestern yellowflax
Scleropogon brevifolius Phil.burrograss
Scoliopus bigelovii Torr.California fetid adderstongue
Scoliopus hallii S. WatsonOregon Fetid Adderstongue
Scolochloa festucacea (Willd.) Linkcommon rivergrass
Scopulophila rixfordii (Brandegee) Munz & I.M. Johnst.Rixford's Rockwort
Scorzonera hispanica L.black salsify
Scorzonera laciniata L.cutleaf vipergrass
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 montana Wootonmountain figwort
Scrophularia nodosa L.woodland figwort
Scrophularia oregana PennellOregon figwort
Scutellaria angustifolia Purshnarrowleaf skullcap
Scutellaria antirrhinoides Benth.nose skullcap
Scutellaria bolanderi A. GraySierra skullcap
Scutellaria brittonii PorterBritton's Skullcap
Scutellaria californica A. GrayCalifornia skullcap
Scutellaria galericulata L.marsh skullcap
Scutellaria lateriflora L.blue skullcap
Scutellaria nana A. GrayDwarf Skullcap
Scutellaria resinosa Torr.Sticky Skullcap
Scutellaria sapphirina (Barneby) OlmsteadWhite Pine Skullcap
Scutellaria siphocampyloides VatkeGrayleaf Skullcap
Scutellaria tuberosa Benth.Danny's skullcap
Secale cereale L.Cereal Rye
Securigera varia (L.) Lassencrownvetch
Sedella leiocarpa H. Sharsm.Lake County Mock Stonecrop
Sedella pentandra H. Sharsm.Mt. Hamilton mock stonecrop
Sedella pumila (Benth.) Britton & RoseSierra mock stonecrop
Sedum acre L.goldmoss stonecrop
Sedum albomarginatum R.T. ClausenFeather River Stonecrop
Sedum album L.white stonecrop
Sedum borschii (R.T. Clausen) R.T. ClausenBorsch Stonecrop
Sedum cockerellii BrittonCockerell's stonecrop
Sedum debile S. WatsonOrpine Stonecrop
Sedum divergens S. WatsonPacific stonecrop
Sedum hispanicum L.Spanish stonecrop
Sedum lanceolatum Torr.spearleaf stonecrop
Sedum laxum (Britton) A. BergerRoseflower Stonecrop
Sedum leibergii BrittonLeiberg stonecrop
Sedum moranii R.T. ClausenRogue River Stonecrop
Sedum niveum DavidsonDavidson's 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
Sedum valens BjörkIdaho Stonecrop
Sedum wrightii A. GrayWright's stonecrop
Selaginella asprella Maxonbluish spikemoss
Selaginella bigelovii Underw.bushy spikemoss
Selaginella densa Rydb.lesser spikemoss
Selaginella douglasii (Hook. & Grev.) SpringDouglas' spikemoss
Selaginella hansenii Hieron.Hansen's spikemoss
Selaginella kraussiana (Kunze) A. BraunKrauss' spikemoss
Selaginella leucobryoides MaxonMojave Spikemoss
Selaginella mutica D.C. Eaton ex Underw.bluntleaf spikemoss
Selaginella oregana D.C. EatonOregon spikemoss
Selaginella peruviana (Milde) Hieron.Peruvian spikemoss
Selaginella rupestris (L.) Springnorthern selaginella
Selaginella selaginoides (L.) P. Beauv. ex Mart. & Schrankclub spikemoss
Selaginella sibirica (Milde) Hieron.Siberian Spikemoss
Selaginella underwoodii Hieron.Underwood's spikemoss
Selaginella utahensis FlowersUtah Spikemoss
Selaginella wallacei Hieron.Wallace's spikemoss
Selaginella watsonii Underw.Watson's spikemoss
Selaginella weatherbiana R. TryonWeatherby's Spikemoss
Sempervivum tectorum L.common houseleek
Senecio actinella GreeneFlagstaff ragwort
Senecio amplectens A. GrayShowy Alpine Ragwort
Senecio aphanactis Greenechaparral ragwort
Senecio aronicoides DC.rayless ragwort
Senecio astephanus GreeneSan Gabriel ragwort
Senecio atratus GreeneTall Blacktip Ragwort
Senecio bigelovii A. Graynodding ragwort
Senecio californicus DC.California ragwort
Senecio cineraria DC.dusty miller
Senecio clarkianus A. GrayClark's Ragwort
Senecio crassulus A. Graythickleaf ragwort
Senecio elmeri PiperElmer's ragwort
Senecio eremophilus Richardsondesert ragwort
Senecio ertterae T.M. BarkleyErtter's Ragwort
Senecio flaccidus Less.threadleaf ragwort
Senecio fremontii Torr. & A. Graydwarf mountain ragwort
Senecio hydrophiloides Rydb.tall groundsel
Senecio hydrophilus Nutt.water ragwort
Senecio integerrimus Nutt.lambstongue ragwort
Senecio lugens Richardsonsmall blacktip ragwort
Senecio megacephalus Nutt.rocky ragwort
Senecio mohavensis A. GrayMojave ragwort
Senecio neowebsteri S.F. BlakeOlympic Mountain ragwort
Senecio pattersonensis HooverMono Ragwort
Senecio pudicus GreeneBashful Ragwort
Senecio rapifolius Nutt.Openwoods Ragwort
Senecio riddellii Torr. & A. GrayRiddell's ragwort
Senecio scorzonella GreeneSierra Ragwort
Senecio serra Hook.tall ragwort
Senecio sheldonensis A.E. PorsildMt. Sheldon Ragwort
Senecio soldanella A. GrayColorado Ragwort
Senecio spartioides Torr. & A. Graybroom-like ragwort
Senecio sphaerocephalus Greeneballhead ragwort
Senecio sylvaticus L.woodland ragwort
Senecio taraxacoides (A. Gray) GreeneDandelion Ragwort
Senecio triangularis Hook.arrowleaf ragwort
Senecio viscosus L.sticky ragwort
Senecio vulgaris L.Common Groundsel
Senecio wootonii GreeneWooton's ragwort
Senega alba (Nutt.) J.F.B.Pastore & J.R.AbbottWhite Milkwort
Senega officinalis SpachSeneca Snakeroot
Senega sanguinea (L.) J.F.B.Pastore & J.R.AbbottField Milkwort
Senega verticillata (L.) J.F.B.Pastore & J.R.AbbottWhorled Milkwort
Senegalia greggii (A. Gray) Britton & RoseCatclaw Acacia
Senna armata (S. Watson) Irwin & Barnebydesertsenna
Senna artemisioides (Gaudich. ex DC.) Randellsilver senna
Senna bauhinioides (A. Gray) Irwin & Barnebytwinleaf senna
Senna obtusifolia (L.) Irwin & BarnebyJava-Bean
Senna roemeriana (Scheele) Irwin & Barnebytwoleaf senna
Sequoia sempervirens (Lamb. ex D. Don) Endl.Coast Redwood
Sequoiadendron giganteum (Lindl.) J. BuchholzGiant Sequoia
Sericocarpus oregonensis Nutt.Oregon Whitetop Aster
Sericocarpus rigidus Lindl.Columbian whitetop aster
Sesamum trilobum (Bernh.) Byng & Christenh.Wild Foxglove
Sesbania herbacea (Mill.) McVaughBigpod Sesbania
Sesbania punicea (Cav.) Benth.rattlebox
Sesuvium verrucosum Raf.verrucose seapurslane
Setaria adhaerens (Forssk.) Chiov.bur bristlegrass
Setaria faberi Herrm.Giant Foxtail
Setaria grisebachii Fourn.Grisebach's bristlegrass
Setaria italica (L.) P. Beauv.Foxtail Millet
Setaria leucopila (Scribn. & Merr.) K. Schum.streambed bristlegrass
Setaria macrostachya KunthLarge-Spike Bristlegrass
Setaria parviflora (Poir.) Kerguélenmarsh bristlegrass
Setaria pumila (Poir.) Roem. & Schult.yellow foxtail
Setaria sphacelata (Schumach.) Stapf & C.E. Hubb. ex M.B. MossAfrican bristlegrass
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
Shepherdia rotundifolia Parryroundleaf buffaloberry
Sherardia arvensis L.Blue Fieldmadder
Shinnersoseris rostrata (A. Gray) S. Tombbeaked skeletonweed
Shoshonea pulvinata Evert & ConstanceShoshone Carrot
Sibara deserti (M.E. Jones) RollinsDesert Winged Rockcress
Sibbaldia procumbens L.Creeping Sibbaldia
Sida neomexicana A. GrayNew Mexico fanpetals
Sida rhombifolia L.Cuban jute
Sida spinosa L.Prickly Fanpetals
Sidalcea asprella Greenedwarf checkerbloom
Sidalcea asprella subsp. elegans (Greene) HalseDwarf Checkerbloom
Sidalcea calycosa M.E. Jonesannual checkerbloom
Sidalcea campestris Greenemeadow checkerbloom
Sidalcea candida A. GrayWhite Checkerbloom
Sidalcea celata (Jeps.) S.R. HillDwarf Checkerbloom
Sidalcea covillei GreeneOwens Valley sidalcea
Sidalcea cusickii PiperCusick's Checkerbloom
Sidalcea diploscypha (Torr. & A. Gray) A. Grayfringed checkerbloom
Sidalcea gigantea G. Clifton, R.E. Buck, & S.R. HillGiant Checkerbloom
Sidalcea glaucescens Greenewaxy checkerbloom
Sidalcea hartwegii A. Gray ex Benth.valley checkerbloom
Sidalcea hendersonii S. WatsonHenderson's checkerbloom
Sidalcea hickmanii Greenechaparral checkerbloom
Sidalcea hirsuta A. Gray ex Benth.hairy checkerbloom
Sidalcea hirtipes C.L. Hitchc.bristlystem checkerbloom
Sidalcea keckii WigginsKeck's checkerbloom
Sidalcea malachroides (Hook. & Arn.) A. Graymapleleaf checkerbloom
Sidalcea malviflora (DC.) A. Gray ex Benth.dwarf checkerbloom
Sidalcea multifida GreeneCutleaf Checkerbloom
Sidalcea nelsoniana PiperNelson's checkerbloom
Sidalcea neomexicana A. Graysalt spring checkerbloom
Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. GrayOregon checkerbloom
Sidalcea ranunculacea GreeneMarsh Checkerbloom
Sidalcea reptans GreeneSierra Checkerbloom
Sidalcea robusta A. Heller ex RoushButte County Checkerbloom
Sidalcea sparsifolia (C.L. Hitchc.) S.R. Hilldwarf checkerbloom
Sidalcea stipularis J.T. Howell & TrueScadden Flat Checkerbloom
Sideritis montana L.Mountain Ironwort
Silene acaulis (L.) Jacq.moss campion
Silene antirrhina L.sleepy silene
Silene aperta GreeneNaked Catchfly
Silene bernardina S. WatsonPalmer's catchfly
Silene bridgesii Rohrb.Bridges' Catchfly
Silene chalcedonica (L.) E.H.L.KrauseMaltese-cross
Silene conoidea L.weed silene
Silene coronaria (L.) Clairv.Rose Campion
Silene csereii Baumg.Balkan catchfly
Silene dichotoma Ehrh.forked catchfly
Silene dioica (L.) Clairvillered catchfly
Silene douglasii Hook.Douglas's catchfly
Silene drummondii Hook.Drummond's campion
Silene flos-cuculi (L.) Greuter & BurdetRagged Robin
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 involucrata (Cham. & Schltdl.) BocquetArctic 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 marmorensis Kruckeb.Marble Mountain Catchfly
Silene menziesii Hook.Menzies' campion
Silene nachlingerae TiehmNevada Catchfly
Silene nivea (Nutt.) Muhl. ex OtthEvening Campion
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 parishii S. WatsonParish's Catchfly
Silene parryi (S. Watson) C.L. Hitchc. & MaguireParry's silene
Silene pendula L.Nodding Catchfly
Silene petersonii MaguirePlateau Catchfly
Silene plankii C.L. Hitchc. & MaguirePlank's catchfly
Silene repens Patrin ex Pers.Pink Campion
Silene salmonacea T.W. Nelson, J.P. Nelson & S.A. ErwinKlamath Mountain Catchfly
Silene sargentii S. WatsonSargent's Catchfly
Silene scaposa B.L. Rob.Blue Mountain catchfly
Silene scouleri Hook.Simple Campion
Silene seelyi Morton & J.W. Thomp.Seely's catchfly
Silene spaldingii S. WatsonSpalding's silene
Silene suksdorfii B.L. Rob.Suksdorf's silene
Silene uralensis (Rupr.) BocquetApetalous Catchfly
Silene verecunda S. WatsonSan Francisco campion
Silene vulgaris (Moench) Garckemaidenstears
Silphium integrifolium Michx.wholeleaf rosinweed
Silphium laciniatum L.compassplant
Silybum marianum (L.) Gaertn.blessed milkthistle
Simmondsia chinensis (Link) C.K. Schneid.jojoba
Sinapis alba L.white mustard
Sinapis arvensis L.charlock mustard
Sisymbrium altissimum L.tall tumblemustard
Sisymbrium austriacum Jacq.Jeweled Rocket
Sisymbrium irio L.London rocket
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 demissum Greenestiff blue-eyed grass
Sisyrinchium elmeri GreeneElmer's Blue-eyed Grass
Sisyrinchium funereum E.P. BicknellFuneral Mountain 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 littorale GreeneAlaska blue-eyed grass
Sisyrinchium montanum Greenestrict blue-eyed grass
Sisyrinchium pallidum Cholewa & Douglass M. Hend.Pale Blue-eyed Grass
Sisyrinchium radicatum E.P. BicknellBigroot Blue-Eyed Grass
Sisyrinchium sarmentosum Suksd. ex GreeneMountain Blue-Eyed Grass
Sisyrinchium septentrionale E.P. Bicknellnorthern 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 bulbocastanum DunalOrnamental Nightshade
Solanum carolinense L.Carolina Horsenettle
Solanum dimidiatum Raf.Western Horsenettle
Solanum douglasii DunalGreenspot Nightshade
Solanum dulcamara L.Bittersweet Nightshade
Solanum elaeagnifolium Cav.Silverleaf Nightshade
Solanum furcatum Dunal ex Poir.forked nightshade
Solanum heterodoxum Dunalmelonleaf nightshade
Solanum interius Rydb.Inland Nightshade
Solanum jamesii Torr.wild potato
Solanum lanceolatum Cav.orangeberry nightshade
Solanum lycopersicum L.Garden Tomato
Solanum marginatum L. f.purple African nightshade
Solanum nigrum L.black nightshade
Solanum parishii A. HellerParish's nightshade
Solanum physalifolium Rusbyhoe nightshade
Solanum rostratum DunalBuffalobur Nightshade
Solanum scabrum Mill.Garden-Huckleberry
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
Soleirolia soleirolii (Req.) Dandymother of thousands
Solidago altissima L.Tall Goldenrod
Solidago canadensis L.Canada Goldenrod
Solidago gigantea AitonGiant Goldenrod
Solidago guiradonis A. GrayGuirado goldenrod
Solidago lepida DC.Western Goldenrod
Solidago missouriensis Nutt.Missouri goldenrod
Solidago mollis Bartlettvelvety goldenrod
Solidago multiradiata AitonRocky Mountain goldenrod
Solidago nana Nutt.Baby Goldenrod
Solidago nemoralis AitonGray Goldenrod
Solidago petiolaris Aitondowny ragged goldenrod
Solidago ptarmicoides (Torr. & A.Gray) B.BoivinPrairie Goldenrod
Solidago riddellii FrankRiddell's Goldenrod
Solidago rigida L.Stiff Goldenrod
Solidago simplex KunthMt. Albert goldenrod
Solidago speciosa Nutt.showy goldenrod
Solidago spectabilis (D.C. Eaton) A. GrayNevada Goldenrod
Solidago velutina DC.Threenerve Goldenrod
Solidago wrightii A. GrayWright's Goldenrod
Soliva sessilis Ruiz & Pav.field burrweed
Sonchus arvensis L.field sowthistle
Sonchus asper (L.) Hillspiny sowthistle
Sonchus oleraceus L.common sowthistle
Sonchus tenerrimus L.slender sowthistle
Sophora leachiana M. PeckWestern Necklacepod
Sophora nuttalliana B.L. Turnersilky sophora
Sophora stenophylla A. Grayfringeleaf necklacepod
Sorbaria kirilowii (Regel) Maxim.giant false spiraea
Sorbaria sorbifolia (L.) A. Braunfalse 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
Sorghastrum nutans (L.) NashYellow Indiangrass
Sorghum bicolor (L.) MoenchSorghum
Sorghum halepense (L.) Pers.Johnsongrass
Sparaxis tricolor (Schneev.) Ker Gawl.Wandflower
Sparganium angustifolium Michx.narrowleaf bur-reed
Sparganium emersum RehmannEuropean bur-reed
Sparganium eurycarpum Engelm.broadfruit bur-reed
Sparganium fluctuans (Engelm. ex Morong) B.L. Rob.floating bur-reed
Sparganium hyperboreum Beurling ex Laest.Northern Bur-reed
Sparganium natans L.Small Bur-reed
Spartina alterniflora Loisel.Smooth Cordgrass
Spartina anglica C.E. Hubbardcommon cordgrass
Spartina cynosuroides (L.) Rothbig cordgrass
Spartina densiflora Brongn.denseflower cordgrass
Spartina foliosa Trin.California 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 echinosperma (Celak.) Asch. & Graebn.bristleseed sandspurry
Spergularia macrotheca (Hornem.) Heynh.sticky sandspurry
Spergularia rubra (L.) J. Presl & C. PreslRed Sandspurry
Spergularia villosa (Pers.) Camb.hairy sandspurry
Spermolepis divaricata (Walter) Raf. ex Ser.Roughfruit Scaleseed
Sphaeralcea ambigua A. Graydesert globemallow
Sphaeralcea angustifolia (Cav.) G. Doncopper globemallow
Sphaeralcea caespitosa M.E. JonesTufted Globemallow
Sphaeralcea coccinea (Nutt.) Rydb.scarlet globemallow
Sphaeralcea digitata (Greene) Rydb.juniper globemallow
Sphaeralcea emoryi Torr. ex A. GrayEmory's globemallow
Sphaeralcea fendleri A. GrayFendler's Globemallow
Sphaeralcea gierischii N.D. Atwood & S.L. WelshGierisch's Globemallow
Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb.gooseberryleaf globemallow
Sphaeralcea hastulata A. Grayspear globemallow
Sphaeralcea incana Torr. ex A. Graygray globemallow
Sphaeralcea janeae (S.L. Welsh) S.L. WelshJane's Globemallow
Sphaeralcea laxa Wooton & Standl.caliche globemallow
Sphaeralcea leptophylla (A. Gray) Rydb.Scaly Globemallow
Sphaeralcea munroana (Douglas) SpachMunro's globemallow
Sphaeralcea parvifolia A. Nelsonsmall-leaf globemallow
Sphaeralcea psoraloides S.L. WelshPsoralea Globemallow
Sphaeralcea rusbyi A. GrayRusby'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
Spinacia oleracea L.Spinach
Spiraea douglasii Hook.rose spirea
Spiraea lucida Douglas ex Greeneshinyleaf spirea
Spiraea splendens Baumann ex K. Kochrose meadowsweet
Spiraea stevenii (C.K. Schneid.) Rydb.Beauverd Spirea
Spiranthes diluvialis SheviakUte Lady's Tresses
Spiranthes magnicamporum SheviakGreat Plains 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 arenicola P.M.PetersonGiant Sandreed
Sporobolus clandestinus (Biehler) Hitchc.rough dropseed
Sporobolus compositus (Poir.) Merr.Composite Dropseed
Sporobolus contractus Hitchc.spike dropseed
Sporobolus creber De NardiSlender Dropseed
Sporobolus cryptandrus (Torr.) A. Graysand dropseed
Sporobolus flexuosus (Thurb. ex Vasey) Rydb.mesa dropseed
Sporobolus giganteus Nashgiant dropseed
Sporobolus heterolepis (A. Gray) A. GrayPrairie Dropseed
Sporobolus indicus (L.) R. Br.Small Smutgrass
Sporobolus nealleyi Vaseygyp dropseed
Sporobolus neglectus Nashpuffsheath dropseed
Sporobolus pyramidatus (Lam.) Hitchc.Madagascar Dropseed
Sporobolus texanus VaseyTexas dropseed
Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Woodpoverty dropseed
Sporobolus wrightii Munro ex Scribn.big sacaton
Stachys ajugoides Benth.bugle hedgenettle
Stachys albens A. Graywhitestem hedgenettle
Stachys arvensis (L.) L.staggerweed
Stachys bergii G. Mulligan & D. MunroBerg's Hedgenettle
Stachys bullata Benth.California hedgenettle
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 rothrockii A. GrayRothrock's Hedgenettle
Stachys stricta GreeneSonoma hedgenettle
Stanleya albescens M.E. JonesWhite Princesplume
Stanleya confertiflora (B.L. Rob.) HowellOregon Princesplume
Stanleya elata M.E. JonesPanamint Princesplume
Stanleya pinnata (Pursh) Brittondesert princesplume
Stanleya tomentosa ParryWoolly Princesplume
Stanleya viridiflora Nutt.Green Princesplume
Staphylea bolanderi A. GraySierra Bladdernut
Stellaria alsine Grimmbog chickweed
Stellaria americana (Porter ex B.L. Rob.) Standl.American Chickweed
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 humifusa Rottb.saltmarsh starwort
Stellaria irrigua BungeColorado Starwort
Stellaria littoralis Torr.beach 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
Stenaria nigricans (Lam.) TerrellDiamond-flowers
Stenogonum flexum (M.E. Jones) Reveal & J.T. HowellBent Two-Whorl Buckwheat

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

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