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 751–800 of 901 (introduced).

• 
  Setaria italica (L.) P. Beauv. Introduced SEIT

  foxtail millet · Poaceae 2 counties
• 
  Setaria nigrirostris (Nees) T. Dur. & Schinz Introduced SENI2

  black bristlegrass · Poaceae 1 county
• 
  Setaria verticillata (L.) P. Beauv. Introduced SEVE3

  hooked bristlegrass · Poaceae 3 counties
• 
  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae 22 counties
• 
  Setaria viridis (L.) P. Beauv. var. major (Gaudin) Pospichal Introduced SEVIM

  green bristlegrass · Poaceae 1 county
• 
  Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIV

  green bristlegrass · Poaceae 19 counties
• 
  Sherardia arvensis L. Introduced SHAR2

  blue fieldmadder · Rubiaceae 18 counties
• 
  Silene armeria L. Introduced SIAR

  sweet William silene · Caryophyllaceae 6 counties
• 
  Silene conoidea L. Introduced SICO4

  weed silene · Caryophyllaceae 5 counties
• 
  Silene dichotoma Ehrh. Introduced SIDI2

  forked catchfly · Caryophyllaceae 6 counties
• 
  Silene dioica (L.) Clairville Introduced SIDI4

  red catchfly · Caryophyllaceae 2 counties
• 
  Silene gallica L. Introduced SIGA

  common catchfly · Caryophyllaceae 8 counties
• 
  Silene noctiflora L. Introduced SINO

  nightflowering silene · Caryophyllaceae 11 counties
• 
  Silene vulgaris (Moench) Garcke Introduced SIVU

  maidenstears · Caryophyllaceae 20 counties
• 
  Silybum marianum (L.) Gaertn. Introduced SIMA3

  blessed milkthistle · Asteraceae 13 counties
• 
  Sinapis alba L. Introduced SIAL5

  white mustard · Brassicaceae 1 county
• 
  Sinapis arvensis L. Introduced SIAR4

  charlock mustard · Brassicaceae 10 counties
• 
  Sinapis arvensis L. ssp. arvensis Introduced SIARA

  wild mustard · Brassicaceae 10 counties
• 
  Sisymbrium altissimum L. Introduced SIAL2

  tall tumblemustard · Brassicaceae 28 counties
• 
  Sisymbrium loeselii L. Introduced SILO3

  small tumbleweed mustard · Brassicaceae 3 counties
• 
  Sisymbrium officinale (L.) Scop. Introduced SIOF

  hedgemustard · Brassicaceae 17 counties
• 
  Sisymbrium orientale L. Introduced SIOR4

  Indian hedgemustard · Brassicaceae 1 county
• 
  Solanum aviculare G. Forst. Introduced SOAV

  New Zealand nightshade · Solanaceae 4 counties
• 
  Solanum dulcamara L. Introduced SODU

  climbing nightshade · Solanaceae 31 counties
• 
  Solanum dulcamara L. var. dulcamara Introduced SODUD

  climbing nightshade · Solanaceae 30 counties
• 
  Solanum furcatum Dunal ex Poir. Introduced SOFU4

  forked nightshade · Solanaceae 1 county
• 
  Solanum lycopersicum L. Introduced SOLY2

  garden tomato · Solanaceae 1 county
• 
  Solanum lycopersicum L. var. lycopersicum Introduced SOLYL

  garden tomato · Solanaceae 1 county
• 
  Solanum nigrum L. Introduced SONI

  black nightshade · Solanaceae 9 counties
• 
  Solanum physalifolium Rusby Introduced SOPH

  hoe nightshade · Solanaceae 22 counties
• 
  Solanum sisymbriifolium Lam. Introduced SOSI

  sticky nightshade · Solanaceae 1 county
• 
  Soliva sessilis Ruiz & Pav. Introduced SOSE2

  field burrweed · Asteraceae 7 counties
• 
  Sonchus arvensis L. Introduced SOAR2

  field sowthistle · Asteraceae 16 counties
• 
  Sonchus arvensis L. ssp. arvensis Introduced SOARA2

  field sowthistle · Asteraceae 14 counties
• 
  Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman Introduced SOARU

  moist sowthistle · Asteraceae 2 counties
• 
  Sonchus asper (L.) Hill Introduced SOAS

  spiny sowthistle · Asteraceae 25 counties
• 
  Sonchus oleraceus L. Introduced SOOL

  common sowthistle · Asteraceae 21 counties
• 
  Sorbaria kirilowii (Regel) Maxim. Introduced SOKI

  giant false spiraea · Rosaceae 1 county
• 
  Sorbus aucuparia L. Introduced SOAU

  European mountain ash · Rosaceae 10 counties
• ⚘
  Sorghum almum Parodi Introduced SOAL

  Columbus grass · Poaceae 1 county
• 
  Sorghum bicolor (L.) Moench Introduced SOBI2

  sorghum · Poaceae 7 counties
• 
  Sorghum bicolor (L.) Moench ssp. drummondii (Nees ex Steud.) de Wet & Harlan Introduced SOBID

  Sudangrass · Poaceae 1 county
• 
  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae 13 counties
• 
  Spartina densiflora Brongn. Introduced SPDE2

  denseflower cordgrass · Poaceae 1 county
• 
  Spartium junceum L. Introduced SPJU2

  Spanish broom · Fabaceae 5 counties
• 
  Spergula arvensis L. Introduced SPAR

  corn spurry · Caryophyllaceae 20 counties
• 
  Spergularia bocconii (Scheele) Foucaud ex Merino Introduced SPBO

  Boccone's sandspurry · Caryophyllaceae 1 county
• 
  Spergularia diandra (Guss.) Held. & Sart. Introduced SPDI

  alkali sandspurry · Caryophyllaceae 9 counties
• 
  Spergularia maritima (All.) Chiov. Introduced SPMA10

  media sandspurry · Caryophyllaceae 3 counties
• 
  Spergularia rubra (L.) J. Presl & C. Presl Introduced SPRU

  red sandspurry · Caryophyllaceae 26 counties