Index / States / Oregon / Washington
§1County listing — Oregon
Washington County
Oregon
- FIPS
- 41067
- Taxa recorded
- 1,527
- State
- Oregon
Filter
Showing 1,301–1,350 of 1,527.
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Senecio hydrophiloides Rydb. Native SEHYtall groundsel · Asteraceae -
Senecio hydrophilus Nutt. Native SEHY2water ragwort · Asteraceae -
Senecio integerrimus Nutt. Native SEIN2lambstongue ragwort · Asteraceae - Senecio integerrimus Nutt. var. exaltatus (Nutt.) Cronquist Native SEINEColumbia ragwort · Asteraceae
- Senecio integerrimus Nutt. var. ochroleucus (A. Gray) Cronquist Native SEINOpaleyellow ragwort · Asteraceae
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Senecio jacobaea L. Introduced SEJAstinking willie · Asteraceae -
Senecio sylvaticus L. Introduced SESYwoodland ragwort · Asteraceae -
Senecio triangularis Hook. Native SETRarrowleaf ragwort · Asteraceae -
Senecio vulgaris L. Introduced SEVUold-man-in-the-Spring · Asteraceae -
Setaria viridis (L.) P. Beauv. Introduced SEVI4green bristlegrass · Poaceae - Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIVgreen bristlegrass · Poaceae
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Sherardia arvensis L. Introduced SHAR2blue fieldmadder · Rubiaceae -
Sidalcea campestris Greene Native SICA2meadow checkerbloom · Malvaceae -
Sidalcea cusickii Piper Native SICUCusick's checkerbloom · Malvaceae -
Sidalcea malviflora (DC.) A. Gray ex Benth. Native SIMA2dwarf checkerbloom · Malvaceae - Sidalcea malviflora (DC.) A. Gray ex Benth. ssp. virgata (Howell) C.L. Hitchc. Native SIMAVdwarf checkerbloom · Malvaceae
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Sidalcea nelsoniana Piper Native SINE2Nelson's checkerbloom · Malvaceae -
Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray Native SIOROregon checkerbloom · Malvaceae - Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray ssp. oregana Native SIOROOregon checkerbloom · Malvaceae
- Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray ssp. oregana var. maxima (M. Peck) C.L. Hitchc. Native SIORM2Oregon checkerbloom · Malvaceae
- Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray ssp. oregana var. procera C.L. Hitchc. Native SIORP2Oregon checkerbloom · Malvaceae
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Silene menziesii Hook. Native SIMEMenzies' campion · Caryophyllaceae - Silene menziesii Hook. ssp. menziesii Native SIMEMMenzies' campion · Caryophyllaceae
- Silene menziesii Hook. ssp. menziesii var. menziesii Native SIMEM2Menzies' campion · Caryophyllaceae
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Silybum marianum (L.) Gaertn. Introduced SIMA3blessed milkthistle · Asteraceae -
Sinapis arvensis L. Introduced SIAR4charlock mustard · Brassicaceae - Sinapis arvensis L. ssp. arvensis Introduced SIARAwild mustard · Brassicaceae
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Sisymbrium altissimum L. Introduced SIAL2tall tumblemustard · Brassicaceae -
Sisymbrium officinale (L.) Scop. Introduced SIOFhedgemustard · Brassicaceae -
Sisyrinchium idahoense E.P. Bicknell Native SIIDIdaho blue-eyed grass · Iridaceae - Sisyrinchium idahoense E.P. Bicknell var. idahoense Native SIIDIIdaho blue-eyed grass · Iridaceae
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Solanum dulcamara L. Introduced SODUclimbing nightshade · Solanaceae - Solanum dulcamara L. var. dulcamara Introduced SODUDclimbing nightshade · Solanaceae
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Solidago canadensis L. Native SOCA6Canada goldenrod · Asteraceae - Solidago canadensis L. var. salebrosa (Piper) M.E. Jones Native SOCASrough Canada goldenrod · Asteraceae
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Solidago gigantea Aiton Native SOGIgiant goldenrod · Asteraceae -
Solidago missouriensis Nutt. Native SOMI2Missouri goldenrod · Asteraceae - Solidago missouriensis Nutt. var. missouriensis Native SOMIMMissouri goldenrod · Asteraceae
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Sonchus arvensis L. Introduced SOAR2field sowthistle · Asteraceae - Sonchus arvensis L. ssp. arvensis Introduced SOARA2field sowthistle · Asteraceae
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Sonchus asper (L.) Hill Introduced SOASspiny sowthistle · Asteraceae -
Sonchus oleraceus L. Introduced SOOLcommon sowthistle · Asteraceae -
Sorbus scopulina Greene Native SOSC2Greene's mountain ash · Rosaceae - Sorbus scopulina Greene var. scopulina Native SOSCSGreene's mountain ash · Rosaceae
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Sparganium emersum Rehmann Native SPEM2European bur-reed · Sparganiaceae -
Spergula arvensis L. Introduced SPARcorn spurry · Caryophyllaceae -
Spergularia rubra (L.) J. Presl & C. Presl Introduced SPRUred sandspurry · Caryophyllaceae -
Sphaeralcea coccinea (Nutt.) Rydb. Native SPCOscarlet globemallow · Malvaceae -
Sphaeralcea munroana (Douglas) Spach Native SPMU2Munro's globemallow · Malvaceae - Sphaeralcea munroana (Douglas) Spach ssp. munroana Native SPMUMMunro's globemallow · Malvaceae