Oregon

• Baker 41001
  1,572 taxa Open ↗
• Benton 41003
  1,855 taxa Open ↗
• Clackamas 41005
  1,485 taxa Open ↗
• Clatsop 41007
  979 taxa Open ↗
• Columbia 41009
  1,183 taxa Open ↗
• Coos 41011
  1,238 taxa Open ↗
• Crook 41013
  1,354 taxa Open ↗
• Curry 41015
  1,738 taxa Open ↗
• Deschutes 41017
  1,482 taxa Open ↗
• Douglas 41019
  2,250 taxa Open ↗

Showing 4,051–4,100 of 4,583 (native).

• 
  Silene drummondii Hook. Native SIDR

  Drummond's campion · Caryophyllaceae 1 county
• 
  Silene drummondii Hook. var. drummondii Native SIDRD

  Drummond's campion · Caryophyllaceae 1 county
• 
  Silene grayi S. Watson Native SIGR3

  Gray's catchfly · Caryophyllaceae 3 counties
• 
  Silene hookeri Nutt. Native SIHO

  Hooker's silene · Caryophyllaceae 11 counties
• 
  Silene hookeri Nutt. ssp. bolanderi (A. Gray) Abrams Native SIHOB

  Bolander's silene · Caryophyllaceae 2 counties
• 
  Silene hookeri Nutt. ssp. hookeri Native SIHOH

  Hooker's silene · Caryophyllaceae 10 counties
• 
  Silene hookeri Nutt. ssp. pulverulenta (M. Peck) C.L. Hitchc. & Maguire Native SIHOP

  Hooker's silene · Caryophyllaceae 2 counties
• 
  Silene lemmonii S. Watson Native SILE2

  Lemmon's catchfly · Caryophyllaceae 3 counties
• 
  Silene menziesii Hook. Native SIME

  Menzies' campion · Caryophyllaceae 28 counties
• 
  Silene menziesii Hook. ssp. menziesii Native SIMEM

  Menzies' campion · Caryophyllaceae 28 counties
• 
  Silene menziesii Hook. ssp. menziesii var. menziesii Native SIMEM2

  Menzies' campion · Caryophyllaceae 22 counties
• 
  Silene menziesii Hook. ssp. menziesii var. viscosa (Greene) C.L. Hitchc. & Maguire Native SIMEV2

  Menzies' campion · Caryophyllaceae 12 counties
• 
  Silene nuda (S. Watson) C.L. Hitchc. & Maguire Native SINU

  western fringed catchfly · Caryophyllaceae 3 counties
• 
  Silene nuda (S. Watson) C.L. Hitchc. & Maguire ssp. insectivora (L.F. Hend.) C.L. Hitchc. & Maguire Native SINUI2

  carnivorous silene · Caryophyllaceae 3 counties
• 
  Silene oregana S. Watson Native SIOR3

  Oregon silene · Caryophyllaceae 19 counties
• 
  Silene parryi (S. Watson) C.L. Hitchc. & Maguire Native SIPA4

  Parry's silene · Caryophyllaceae 3 counties
• 
  Silene scaposa B.L. Rob. Native SISC

  Blue Mountain catchfly · Caryophyllaceae 14 counties
• 
  Silene scaposa B.L. Rob. var. lobata C.L. Hitchc. & Maguire Native SISCL

  Lost River silene · Caryophyllaceae 3 counties
• 
  Silene scaposa B.L. Rob. var. scaposa Native SISCS

  Blue Mountain catchfly · Caryophyllaceae 9 counties
• 
  Silene scouleri Hook. Native SISC7

  simple campion · Caryophyllaceae 19 counties
• 
  Silene scouleri Hook. ssp. scouleri Native SISCS2

  simple campion · Caryophyllaceae 18 counties
• 
  Silene spaldingii S. Watson Native SISP2

  Spalding's silene · Caryophyllaceae 2 counties
• 
  Silene suksdorfii B.L. Rob. Native SISU

  Suksdorf's silene · Caryophyllaceae 6 counties
• 
  Sisyrinchium bellum S. Watson Native SIBE

  western blue-eyed grass · Iridaceae 17 counties
• 
  Sisyrinchium californicum (Ker Gawl.) Aiton Native SICA8

  golden blue-eyed grass · Iridaceae 8 counties
• 
  Sisyrinchium halophilum Greene Native SIHA2

  Nevada blue-eyed grass · Iridaceae 2 counties
• 
  Sisyrinchium hitchcockii Douglass M. Hend. Native SIHI4

  Hitchcock's blue-eyed grass · Iridaceae 3 counties
• 
  Sisyrinchium idahoense E.P. Bicknell Native SIID

  Idaho blue-eyed grass · Iridaceae 28 counties
• 
  Sisyrinchium idahoense E.P. Bicknell var. idahoense Native SIIDI

  Idaho blue-eyed grass · Iridaceae 21 counties
• 
  Sisyrinchium idahoense E.P. Bicknell var. occidentale (E.P. Bicknell) Douglass M. Hend. Native SIIDO

  Idaho blue-eyed grass · Iridaceae 8 counties
• 
  Sisyrinchium sarmentosum Suksd. ex Greene Native SISA4

  mountain blue-eyed grass · Iridaceae 4 counties
• 
  Sium suave Walter Native SISU2

  hemlock waterparsnip · Apiaceae 12 counties
• 
  Smelowskia calycina (Stephan ex Willd.) C.A. Mey. Native SMCA

  alpine smelowskia · Brassicaceae 2 counties
• 
  Smelowskia calycina (Stephan ex Willd.) C.A. Mey. var. americana (Regel & Herder) Drury & Rollins Native SMCAA

  American false candytuft · Brassicaceae 2 counties
• 
  Smelowskia ovalis M.E. Jones Native SMOV

  alpine false candytuft · Brassicaceae 2 counties
• 
  Smelowskia ovalis M.E. Jones var. ovalis Native SMOVO

  alpine false candytuft · Brassicaceae 2 counties
• 
  Smilax californica (A. DC.) A. Gray Native SMCA2

  California greenbrier · Smilacaceae 3 counties
• 
  Solanum americanum Mill. Native SOAM

  American black nightshade · Solanaceae 12 counties
• 
  Solanum carolinense L. Native SOCA3

  Carolina horsenettle · Solanaceae 4 counties
• 
  Solanum carolinense L. var. carolinense Native SOCAC4

  Carolina horsenettle · Solanaceae 4 counties
• 
  Solanum elaeagnifolium Cav. Native SOEL

  silverleaf nightshade · Solanaceae 1 county
• 
  Solanum parishii A. Heller Native SOPA

  Parish's nightshade · Solanaceae 3 counties
• 
  Solanum rostratum Dunal Native SORO

  buffalobur nightshade · Solanaceae 16 counties
• 
  Solanum triflorum Nutt. Native SOTR

  cutleaf nightshade · Solanaceae 14 counties
• 
  Solanum umbelliferum Eschsch. Native SOUM

  bluewitch nightshade · Solanaceae 2 counties
• 
  Solanum umbelliferum Eschsch. var. umbelliferum Native SOUMU

  bluewitch nightshade · Solanaceae 2 counties
• ⚘
  Solidago californica Nutt. Native SOCA5

  California goldenrod · Asteraceae 5 counties
• 
  Solidago canadensis L. Native SOCA6

  Canada goldenrod · Asteraceae 33 counties
• 
  Solidago canadensis L. var. salebrosa (Piper) M.E. Jones Native SOCAS

  rough Canada goldenrod · Asteraceae 33 counties
• 
  Solidago gigantea Aiton Native SOGI

  giant goldenrod · Asteraceae 12 counties