Index / States / Oregon / Washington
§1County listing — Oregon
Washington County
Oregon
- FIPS
- 41067
- Taxa recorded
- 1,527
- State
- Oregon
Filter
Showing 1,351–1,400 of 1,527.
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Spiraea douglasii Hook. Native SPDOrose spirea · Rosaceae -
Spiraea lucida Douglas ex Greene Native SPLU5shinyleaf spirea · Rosaceae -
Spirodela polyrrhiza (L.) Schleid. Native SPPOcommon duckmeat · Lemnaceae -
Sporobolus cryptandrus (Torr.) A. Gray Native SPCRsand dropseed · Poaceae -
Stachys chamissonis Benth. Native STCHcoastal hedgenettle · Lamiaceae - Stachys chamissonis Benth. var. cooleyae (A. Heller) G. Mulligan & D. Munro Native STCHC3coastal hedgenettle · Lamiaceae
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Stachys mexicana Benth. Native STMEMexican hedgenettle · Lamiaceae -
Stachys pilosa Nutt. Native STPI6hairy hedgenettle · Lamiaceae - Stachys pilosa Nutt. var. pilosa Native STPIP5hairy hedgenettle · Lamiaceae
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Stachys rigida Nutt. ex Benth. Native STRIrough hedgenettle · Lamiaceae -
Stanleya confertiflora (B.L. Rob.) Howell Native STCO2Oregon princesplume · Brassicaceae -
Stanleya pinnata (Pursh) Britton Native STPIdesert princesplume · Brassicaceae - Stanleya pinnata (Pursh) Britton var. pinnata Native STPIPdesert princesplume · Brassicaceae
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Stanleya viridiflora Nutt. Native STVIgreen princesplume · Brassicaceae -
Stellaria borealis Bigelow Native STBO3boreal starwort · Caryophyllaceae - Stellaria borealis Bigelow ssp. sitchana (Steud.) Piper Native STBOSSitka starwort · Caryophyllaceae
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Stellaria crispa Cham. & Schltdl. Native STCR2curled starwort · Caryophyllaceae -
Stellaria longifolia Muhl. ex Willd. Native STLOlongleaf starwort · Caryophyllaceae - Stellaria longifolia Muhl. ex Willd. var. longifolia Native STLOLlongleaf starwort · Caryophyllaceae
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Stellaria media (L.) Vill. Introduced STME2common chickweed · Caryophyllaceae - Stellaria media (L.) Vill. ssp. media Introduced STMEMcommon chickweed · Caryophyllaceae
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Stenotus acaulis (Nutt.) Nutt. Native STACstemless mock goldenweed · Asteraceae -
Stenotus lanuginosus (A. Gray) Greene Native STLA7woolly mock goldenweed · Asteraceae -
Streptopus amplexifolius (L.) DC. Both STAM2claspleaf twistedstalk · Liliaceae -
Symphoricarpos albus (L.) S.F. Blake Native SYALcommon snowberry · Caprifoliaceae - Symphoricarpos albus (L.) S.F. Blake var. laevigatus (Fernald) S.F. Blake Native SYALLcommon snowberry · Caprifoliaceae
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Symphoricarpos oreophilus A. Gray Native SYOR2mountain snowberry · Caprifoliaceae - Symphoricarpos oreophilus A. Gray var. utahensis (Rydb.) A. Nelson Native SYORUUtah snowberry · Caprifoliaceae
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Symphyotrichum spathulatum (Lindl.) G.L. Nesom Native SYSPwestern mountain aster · Asteraceae - Symphyotrichum spathulatum (Lindl.) G.L. Nesom var. spathulatum Native SYSPSwestern mountain aster · Asteraceae
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Symphyotrichum subspicatum (Nees) G.L. Nesom Native SYSU4Douglas aster · Asteraceae - Symphyotrichum subspicatum (Nees) G.L. Nesom var. subspicatum Native SYSUSDouglas aster · Asteraceae
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Symphytum officinale L. Introduced SYOFcommon comfrey · Boraginaceae -
Syringa vulgaris L. Introduced SYVUcommon lilac · Oleaceae -
Taeniatherum caput-medusae (L.) Nevski Introduced TACA8medusahead · Poaceae -
Tanacetum vulgare L. Introduced TAVUcommon tansy · Asteraceae -
Taraxacum officinale F.H. Wigg. Both TAOFcommon dandelion · Asteraceae -
Taxus brevifolia Nutt. Native TABR2Pacific yew · Taxaceae -
Tellima grandiflora (Pursh) Douglas ex Lindl. Native TEGR2bigflower tellima · Saxifragaceae -
Tetradymia canescens DC. Native TECA2spineless horsebrush · Asteraceae -
Teucrium canadense L. Native TECA3Canada germander · Lamiaceae - Teucrium canadense L. var. occidentale (A. Gray) E.M. McClint. & Epling Native TECAOwestern germander · Lamiaceae
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Thalictrum fendleri Engelm. ex A. Gray Native THFEFendler's meadow-rue · Ranunculaceae - Thalictrum fendleri Engelm. ex A. Gray var. polycarpum Torr. Native THFEP2Fendler's meadow-rue · Ranunculaceae
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Thalictrum occidentale A. Gray Native THOCwestern meadow-rue · Ranunculaceae - Thalictrum occidentale A. Gray var. occidentale Native THOCO2western meadow-rue · Ranunculaceae
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Thermopsis gracilis Howell Native THGR6slender goldenbanner · Fabaceae - Thermopsis gracilis Howell var. ovata (B.L. Rob. ex Piper) M. Mendenhall Native THGROslender goldenbanner · Fabaceae
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Thinopyrum intermedium (Host) Barkworth & D.R. Dewey Introduced THIN6intermediate wheatgrass · Poaceae -
Thuja plicata Donn ex D. Don Native THPLwestern redcedar · Cupressaceae