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2189 Plants Found

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Ordered by scientific name.

Scientific NameCommon NameMap‡
Phegopteris connectilis (Michx.) Wattlong beechfern
Philadelphus lewisii PurshLewis' mock orange
Phleum alpinum L.Alpine Timothy
Phleum pratense L.Timothy
Phlox diffusa Benth.spreading phlox
Phlox hendersonii (E.E. Nelson) CronquistHenderson's phlox
Phlox longifolia Nutt.longleaf phlox
Photinia davidiana (Decne.) CardotChinese photinia
Photinia villosa (Thunb.) DC.Oriental Photinia
Phragmites australis (Cav.) Trin. ex Steud.Eurasian Common Reed
Phyllodoce empetriformis (Sm.) D. Donpink mountainheath
Phyllodoce glanduliflora (Hook.) Covilleyellow mountainheath
Phyllospadix scouleri Hook.Scouler's surfgrass
Phyllospadix serrulatus Rupr. ex Asch.toothed surfgrass
Phyllospadix torreyi S. WatsonTorrey's surfgrass
Physalis longifolia Nutt.Longleaf Groundcherry
Physalis philadelphica Lam.Mexican Groundcherry
Physocarpus capitatus (Pursh) KuntzePacific ninebark
Physostegia parviflora Nutt. ex A. GrayWestern False Dragonhead
Phytolacca americana L.American Pokeweed
Picea engelmannii Parry ex Engelm.Engelmann Spruce
Picea sitchensis (Bong.) CarrièreSitka spruce
Picris hieracioides L.Hawkweed Oxtongue
Pilosella aurantiaca (L.) F.W.Schultz & Sch.Bip.Fox-and-Cubs
Pilosella lactucella (Wallr.) P.D.Sell & C.WestEuropean Hawkweed
Pilosella piloselloides (Vill.) SojákTall Hawkweed
Pimpinella major (L.) Huds.hollowstem burnet saxifrage
Pinguicula macroceras LinkCalifornia butterwort
Pinus albicaulis Engelm.Whitebark Pine
Pinus contorta Douglas ex LoudonLodgepole Pine
Pinus monticola Douglas ex D. DonWestern White Pine
Pinus ponderosa Lawson & C. LawsonPonderosa Pine
Piperia elongata Rydb.denseflower rein orchid
Piperia transversa Suksd.royal rein orchid
Piperia unalascensis (Spreng.) Rydb.slender-spire orchid
Piptatheropsis exigua (Thurb.) Romasch., P.M. Peterson & R.J. SorengLittle Ricegrass
Pityopus californica (Eastw.) Copeland f.California pinefoot
Plagiobothrys figuratus (Piper) I.M. Johnst. ex M. Peckfragrant popcornflower
Plagiobothrys leptocladus (Greene) I.M. Johnst.finebranched popcornflower
Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnst.Scouler's popcornflower
Plantago arenaria Waldst. & Kit.sand plantain
Plantago aristata Michx.Largebracted Plantain
Plantago bigelovii A. GrayCoast Plantain
Plantago coronopus L.Buckhorn Plantain
Plantago lanceolata L.Narrowleaf Plantain
Plantago macrocarpa Cham. & Schltdl.seashore plantain
Plantago major L.Common Plantain
Plantago maritima L.goose tongue
Plantago patagonica Jacq.Woolly Plantain
Plantago subnuda Pilg.tall coastal plantain
Platanthera aquilonis Sheviaknorthern green orchid
Platanthera chorisiana (Cham.) Rchb.Chimissso's orchid
Platanthera elegans Lindl.Hillside Rein Orchid
Platanthera huronensis (Nutt.) Lindl.Huron green orchid
Platanthera obtusata (Banks ex Pursh) Lindl.bluntleaved orchid
Platanthera orbiculata (Pursh) Lindl.lesser roundleaved orchid
Platanthera sparsiflora (S. Watson) Schltr.sparse-flowered bog orchid
Platanthera stricta Lindl.slender bog orchid
Plectritis congesta (Lindl.) DC.shortspur seablush
Pleuricospora fimbriolata A. Grayfringed pinesap
Pleuropogon refractus (A. Gray) Benth. ex Vaseynodding semaphoregrass
Poa abbreviata R. Br.short bluegrass
Poa alpina L.Alpine Bluegrass
Poa annua L.annual bluegrass
Poa arctica R. Br.arctic bluegrass
Poa bolanderi VaseyBolander's bluegrass
Poa bulbosa L.bulbous bluegrass
Poa compressa L.Canada bluegrass
Poa confinis Vaseycoastline bluegrass
Poa fendleriana (Steud.) Vaseymuttongrass
Poa glauca VahlGlaucous Bluegrass
Poa howellii Vasey & Scribn.Howell's bluegrass
Poa laxiflora Buckleylooseflower bluegrass
Poa leptocoma Trin.marsh bluegrass
Poa lettermanii VaseyLetterman's bluegrass
Poa macrantha Vaseyseashore bluegrass
Poa marcida Hitchc.withered bluegrass
Poa nervosa (Hook.) VaseyWheeler bluegrass
Poa palustris L.Fowl Bluegrass
Poa paucispicula Scribn. & Merr.Alaska bluegrass
Poa secunda J. PreslSandberg Bluegrass
Poa stenantha Trin.northern bluegrass
Poa suksdorfii (Beal) Vasey ex Piperwestern bluegrass
Poa trivialis L.Rough Bluegrass
Polemonium californicum Eastw.moving polemonium
Polemonium carneum A. Grayroyal Jacob's-ladder
Polemonium elegans Greeneelegant Jacob's-ladder
Polemonium pulcherrimum Hook.Jacob's-ladder
Polygala vulgaris L.common milkwort
Polygonum achoreum S.F. Blakeleathery knotweed
Polygonum douglasii GreeneDouglas' knotweed
Polygonum erectum L.Erect Knotweed
Polygonum fowleri B.L. Rob.Fowler's knotweed
Polygonum minimum S. Watsonbroadleaf knotweed
Polygonum paronychia Cham. & Schltdl.beach knotweed
Polygonum patulum M. Bieb.Bellard's smartweed
Polygonum ramosissimum Michx.Bushy Knotweed
Polypodium amorphum Suksd.irregular polypody
Polypodium glycyrrhiza D.C. Eatonlicorice fern
Polypodium hesperium Maxonwestern polypody
Polypodium scouleri Hook. & Grev.leathery polypody
Polypogon interruptus Kunthditch rabbitsfoot grass
Polypogon monspeliensis (L.) Desf.annual rabbitsfoot grass
Polypogon viridis (Gouan) Breistr.beardless rabbitsfoot grass
Polystichum andersonii HopkinsAnderson's hollyfern
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 crassipes Mart.Common Water Hyacinth
Populus alba L.White Poplar
Populus balsamifera L.Balsam Poplar
Populus nigra L.Lombardy poplar
Populus tremuloides Michx.Quaking Aspen
Portulaca oleracea L.Common Purslane
Potamogeton alpinus Balbisalpine pondweed
Potamogeton amplifolius Tuck.largeleaf pondweed
Potamogeton crispus L.Curly Pondweed
Potamogeton epihydrus Raf.ribbonleaf pondweed
Potamogeton foliosus Raf.Leafy Pondweed
Potamogeton friesii Rupr.Fries' pondweed
Potamogeton gramineus L.variableleaf pondweed
Potamogeton natans L.floating pondweed
Potamogeton nodosus Poir.longleaf pondweed
Potamogeton obtusifolius Mert. & W.D.J. Kochbluntleaf pondweed
Potamogeton praelongus Wulfenwhitestem pondweed
Potamogeton pusillus L.small pondweed
Potamogeton richardsonii (Benn.) Rydb.Richardson's pondweed
Potamogeton robbinsii OakesRobbins' Pondweed
Potamogeton zosteriformis Fernaldflatstem pondweed
Potentilla biennis Greenebiennial cinquefoil
Potentilla drummondii Lehm.Drummond's cinquefoil
Potentilla flabellifolia Hook. ex Torr. & A. Grayhigh mountain cinquefoil
Potentilla gracilis Douglas ex Hook.slender cinquefoil
Potentilla inclinata Vill.ashy cinquefoil
Potentilla nivea L.Snow Cinquefoil
Potentilla norvegica L.Norwegian cinquefoil
Potentilla pulcherrima Lehm.beautiful cinquefoil
Potentilla recta L.sulphur cinquefoil
Potentilla villosa Pall. ex Purshvillous cinquefoil
Proboscidea louisianica (Mill.) Thell.Ram's Horn
Prosartes hookeri Torr.drops-of-gold
Prosartes smithii "(Hook.) Utechlargeflower fairybells
Prunella vulgaris L.Common Selfheal
Prunus americana MarshallAmerican Plum
Prunus cerasifera Ehrh.cherry plum
Prunus cerasus L.sour cherry
Prunus domestica L.European plum
Prunus emarginata (Douglas ex Hook.) D. Dietr.bitter cherry
Prunus laurocerasus L.cherry laurel
Prunus lusitanica L.Portugal laurel
Prunus serotina Ehrh.Black Cherry
Prunus spinosa L.blackthorn
Prunus virginiana L.Chokecherry
Pseudofumaria lutea (L.) Borkh.rock fumewort
Pseudognaphalium canescens (DC.) W.A. WeberWright's cudweed
Pseudognaphalium macounii (Greene) KarteszMacoun's cudweed
Pseudognaphalium stramineum (Kunth) Anderb.Cottonbatting Plant
Pseudoroegneria spicata (Pursh) Á. LöveBluebunch Wheatgrass
Pseudotsuga menziesii (Mirb.) FrancoDouglas Fir
Psilocarphus elatior (A. Gray) A. Graymeadow woollyheads
Psilocarphus tenellus Nutt.slender woollyheads
Pteridium aquilinum (L.) Kuhnwestern brackenfern
Pterospora andromedea Nutt.woodland pinedrops
Puccinellia distans (Jacq.) Parl.weeping alkaligrass
Puccinellia maritima (Huds.) Parl.seaside alkaligrass
Puccinellia nuttalliana (Schult.) Hitchc.Nuttall's Alkaligrass
Puccinellia pumila (Vasey) Hitchc.dwarf alkaligrass
Pulmonaria officinalis L.common lungwort
Pulsatilla occidentalis (S. Watson) Freynwhite pasqueflower
Pyracantha coccinea M. Roem.scarlet firethorn
Pyrola asarifolia Michx.Liverleaf Wintergreen
Pyrola chlorantha Sw.Greenflowered Wintergreen
Pyrola minor L.snowline wintergreen
Pyrola picta Sm.whiteveined wintergreen
Pyrrocoma hirta (A. Gray) Greenetacky goldenweed
Pyrus communis L.Common Pear
Quercus cerris L.European Turkey Oak
Quercus garryana Douglas ex Hook.Oregon White Oak
Quercus robur L.English Oak
Quercus rubra L.Northern Red Oak
Rainiera stricta (Greene) Greenefalse silverback
Ranunculus acriformis A. Graysharpleaf buttercup
Ranunculus acris L.tall buttercup
Ranunculus alismifolius Geyer ex Benth.plantainleaf buttercup
Ranunculus aquatilis L.white water crowfoot
Ranunculus bulbosus L.St. Anthony's turnip
Ranunculus californicus Benth.California buttercup
Ranunculus cymbalaria PurshAlkali Buttercup
Ranunculus eschscholtzii Schltdl.Eschscholtz's Buttercup
Ranunculus ficaria L.Lesser Celandine
Ranunculus flammula L.greater creeping spearwort
Ranunculus glaberrimus Hook.sagebrush buttercup
Ranunculus gmelinii DC.Gmelin's 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 pensylvanicus L. f.Pennsylvania buttercup
Ranunculus populago Greenepopular buttercup
Ranunculus recurvatus Poir.blisterwort
Ranunculus repens L.creeping buttercup
Ranunculus sardous Crantzhairy buttercup
Ranunculus sceleratus L.cursed buttercup
Ranunculus suksdorfii A. GraySuksdorf's buttercup
Ranunculus trichophyllus Chaixthreadleaf crowfoot
Ranunculus uncinatus D. Don ex G. Donwoodland buttercup
Raphanus raphanistrum L.wild radish
Raphanus sativus L.cultivated radish
Reseda alba L.white upright mignonette
Reseda luteola L.weld
Rhinanthus minor L.little yellow rattle
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
Rhus glabra L.Smooth Sumac
Rhynchospora alba (L.) VahlWhite Beaksedge
Ribes acerifolium Howellmapleleaf currant
Ribes bracteosum Douglas ex Hook.stink currant
Ribes divaricatum DouglasSpreading Gooseberry
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 rubrum L.cultivated currant
Ribes sanguineum Purshredflower currant
Ribes triste Pall.red currant
Ribes viscosissimum Purshsticky currant
Ribes watsonianum Koehnespring gooseberry
Robinia hispida L.Bristly Locust
Robinia pseudoacacia L.Black Locust
Roemeria argemone (L.) C.Morales, R.Mend. & Romero GarcíaLong Pricklyhead Poppy
Romanzoffia tracyi Jeps.Tracy's mistmaiden
Rorippa curvipes Greenebluntleaf yellowcress
Rorippa curvisiliqua (Hook.) Besser ex Brittoncurvepod yellowcress
Rorippa palustris (L.) Besserbog yellowcress
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
Rotala ramosior (L.) Koehnelowland rotala
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 spectabilis Purshsalmonberry
Rubus strigosus Michx.American Red Raspberry
Rubus ulmifolius Schottelmleaf blackberry
Rubus ursinus Cham. & Schltdl.California Blackberry
Rubus vestitus WeiheEuropean blackberry
Rudbeckia hirta L.Black-eyed Susan
Rudbeckia laciniata L.Cutleaf Coneflower
Rudbeckia occidentalis Nutt.western coneflower
Rumex acetosella L.common sheep sorrel
Rumex conglomeratus Murrayclustered dock
Rumex crispus L.curly dock
Rumex obtusifolius L.Bitter Dock
Rumex occidentalis S. WatsonWestern Dock
Rumex salicifolius Weinm.Willow Dock
Rumex sanguineus L.redvein dock
Rupertia physodes (Douglas ex Hook.) J. GrimesForest Scurfpea
Ruppia cirrhosa (Petagna) Grandespiral ditchgrass
Ruppia maritima L.widgeongrass
Sabulina austromontana (S.J.Wolf & Packer) Dillenb. & KadereitColumbian Stitchwort
Sabulina rubella (Wahlenb.) Dillenb. & KadereitBeautiful Sandwort
Sagina apetala Ard.annual pearlwort
Sagina decumbens (Elliott) Torr. & A. Graytrailing pearlwort
Sagina maxima A. Graystickystem pearlwort
Sagina procumbens L.Birdeye Pearlwort
Sagina saginoides (L.) Karst.arctic pearlwort
Sagittaria cuneata Sheldonarumleaf arrowhead
Sagittaria graminea Michx.Grassy Arrowhead
Sagittaria latifolia Willd.Broadleaf Arrowhead
Sagittaria platyphylla (Engelm.) J.G. Sm.delta arrowhead
Sagittaria rigida Purshsessilefruit arrowhead
Salicornia depressa Standl.Virginia glasswort
Salicornia pacifica Standl.Pacific Swampfire
Salicornia rubra A. Nelsonred swampfire
Salix alba L.White Willow
Salix arctica Pall.arctic willow
Salix barclayi AnderssonBarclay's Willow
Salix boothii DornBooth's willow
Salix brachycarpa Nutt.Shortfruit Willow
Salix cascadensis Cockerellcascade willow
Salix commutata Bebbundergreen willow
Salix exigua Nutt.narrowleaf willow
Salix farriae C.R. BallFarr's willow
Salix geyeriana AnderssonGeyer willow
Salix glauca L.grayleaf willow
Salix hookeriana Barratt ex Hook.dune willow
Salix lasiolepis Benth.arroyo willow
Salix melanopsis Nutt.dusky willow
Salix nivalis Hook.snow willow
Salix pedicellaris Purshbog willow
Salix planifolia PurshDiamondleaf Willow
Salix prolixa AnderssonMacKenzie's willow
Salix purpurea L.Purpleosier Willow
Salix scouleriana Barratt ex Hook.Scouler's willow
Salix sessilifolia Nutt.northwest sandbar willow
Salix sitchensis Sanson ex Bong.Sitka willow
Salix tweedyi (Bebb ex Rose) C.R. BallTweedy's willow
Salsola tragus L.prickly Russian thistle
Salvia glutinosa L.sticky sage
Salvia pratensis L.introduced sage
Salvia reflexa Hornem.Lanceleaf Sage
Sambucus racemosa L.Red Elderberry
Sanguisorba annua (Nutt. ex Hook.) Nutt. ex Torr. & A. GrayPrairie Burnet
Sanguisorba canadensis L.Canadian burnet
Sanguisorba menziesii Rydb.Menzies' 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
Saponaria officinalis L.bouncingbet
Sarracenia leucophylla Raf.Crimson Pitcherplant
Sarracenia purpurea L.purple pitcherplant
Saussurea americana D.C. EatonAmerican saw-wort
Saxifraga adscendens L.wedgeleaf saxifrage
Saxifraga bronchialis L.Yellowdot Saxifrage
Saxifraga caespitosa L.tufted alpine saxifrage
Saxifraga mertensiana Bong.wood saxifrage
Saxifraga oppositifolia L.purple mountain saxifrage
Schedonorus pratensis (Huds.) P. Beauv.meadow fescue
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 pungens (Vahl) Pallacommon threesquare
Schoenoplectus subterminalis (Torr.) Sojákswaying bulrush
Schoenoplectus tabernaemontani (C.C. Gmel.) Pallasoftstem bulrush
Scirpus atrocinctus Fernaldblackgirdle bulrush
Scirpus cyperinus (L.) KunthWoolgrass
Scirpus microcarpus J. Presl & C. Preslpanicled bulrush
Scleranthus annuus L.German knotgrass
Scrophularia lanceolata Purshlanceleaf figwort
Scrophularia nodosa L.woodland figwort
Scrophularia oregana PennellOregon figwort
Scutellaria galericulata L.marsh skullcap
Scutellaria lateriflora L.blue skullcap
Secale cereale L.Cereal Rye
Securigera varia (L.) Lassencrownvetch
Sedum acre L.goldmoss stonecrop
Sedum album L.white stonecrop
Sedum divergens S. WatsonPacific stonecrop
Sedum lanceolatum Torr.spearleaf stonecrop
Sedum oreganum Nutt.Oregon 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 cineraria DC.dusty miller
Senecio elmeri PiperElmer's ragwort
Senecio fremontii Torr. & A. Graydwarf mountain ragwort
Senecio integerrimus Nutt.lambstongue ragwort
Senecio lugens Richardsonsmall blacktip ragwort
Senecio neowebsteri S.F. BlakeOlympic Mountain ragwort
Senecio sylvaticus L.woodland ragwort
Senecio triangularis Hook.arrowleaf ragwort
Senecio viscosus L.sticky ragwort
Senecio vulgaris L.Common Groundsel
Sericocarpus rigidus Lindl.Columbian whitetop aster
Setaria faberi Herrm.Giant Foxtail
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
Sidalcea campestris Greenemeadow 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
Silene acaulis (L.) Jacq.moss campion
Silene antirrhina L.sleepy silene
Silene dioica (L.) Clairvillered catchfly
Silene douglasii Hook.Douglas's catchfly
Silene drummondii Hook.Drummond's campion
Silene gallica L.common catchfly
Silene latifolia Poir.bladder campion
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 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 arvensis L.charlock mustard
Sisymbrium altissimum L.tall tumblemustard
Sisymbrium officinale (L.) Scop.hedgemustard
Sisymbrium orientale L.Indian hedgemustard
Sisyrinchium californicum (Ker Gawl.) Aitongolden blue-eyed grass
Sisyrinchium idahoense E.P. BicknellIdaho blue-eyed grass
Sisyrinchium littorale GreeneAlaska blue-eyed grass
Sium suave Walterhemlock waterparsnip
Smelowskia ovalis M.E. Jonesalpine false candytuft
Smilax glauca Waltercat greenbrier
Solanum americanum Mill.American Black Nightshade
Solanum dulcamara L.Bittersweet Nightshade
Solanum lycopersicum L.Garden Tomato
Solanum nigrum L.black nightshade
Solanum physalifolium Rusbyhoe nightshade
Solanum triflorum Nutt.cutleaf nightshade
Solanum villosum (L.) Mill.hairy nightshade
Solidago missouriensis Nutt.Missouri goldenrod
Solidago multiradiata AitonRocky Mountain goldenrod
Solidago simplex KunthMt. Albert goldenrod
Soliva sessilis Ruiz & Pav.field burrweed
Sonchus arvensis L.field sowthistle
Sonchus asper (L.) Hillspiny sowthistle
Sonchus oleraceus L.common sowthistle
Sorbaria sorbifolia (L.) A. Braunfalse spiraea
Sorbus aucuparia L.European mountain ash
Sorbus scopulina GreeneGreene's mountain ash
Sorbus sitchensis M. Roem.western mountain ash
Sorghum bicolor (L.) MoenchSorghum
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 natans L.small bur-reed
Spartina alterniflora Loisel.Smooth Cordgrass
Spartina anglica C.E. Hubbardcommon cordgrass
Spartina densiflora Brongn.denseflower cordgrass
Spartina patens (Aiton) Muhl.Saltmeadow 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
Sphaerophysa salsula (Pall.) DC.alkali swainsonpea
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
Stachys arvensis (L.) L.staggerweed
Stachys chamissonis Benth.coastal hedgenettle
Stachys mexicana Benth.Mexican hedgenettle
Stachys rigida Nutt. ex Benth.rough hedgenettle
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
Streptanthus lasiophyllus (Hook. & Arn.) HooverCalifornia Mustard
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
Suaeda maritima (L.) Dumort.herbaceous seepweed
Subularia aquatica L.waterawlwort
Swertia perennis L.felwort
Symphoricarpos albus (L.) S.F. BlakeCommon Snowberry
Symphoricarpos mollis Nutt.creeping snowberry
Symphoricarpos occidentalis Hook.Western Snowberry
Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Lövenorthern bog aster
Symphyotrichum campestre (Nutt.) G.L. Nesomwestern meadow aster
Symphyotrichum chilense (Nees) G.L. NesomPacific aster
Symphyotrichum eatonii (A. Gray) G.L. NesomEaton's aster
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesomalpine leafybract aster
Symphyotrichum frondosum (Nutt.) G.L. Nesomshort-rayed alkali aster
Symphyotrichum hallii (A. Gray) G.L. NesomHall's aster
Symphyotrichum lanceolatum (Willd.) G.L. NesomWhite Panicled Aster
Symphyotrichum novae-angliae (L.) G.L. NesomNew England Aster
Symphyotrichum pilosum (Willd.) G.L. NesomHairy White Oldfield Aster
Symphyotrichum spathulatum (Lindl.) G.L. Nesomwestern mountain aster
Symphyotrichum subspicatum (Nees) G.L. NesomDouglas aster
Symphytum asperum Lepechinprickly comfrey
Symphytum officinale L.common comfrey
Synthyris pinnatifida S. Watsonfeatherleaf kittentails
Synthyris reniformis (Douglas ex Benth.) Benth.snowqueen
Synthyris schizantha Piperfringepetal kittentails
Tamarix parviflora DC.smallflower tamarisk
Tanacetum balsamita L.costmary
Tanacetum bipinnatum (L.) Sch. Bip.Lake Huron Tansy

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

Progress

Article Complete
1%
Range Map
100%
Map to L2
2%
Map to L3
2%

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