Powder River County

Showing 51–87 of 87 (introduced).

• 
  Logfia arvensis (L.) Holub Introduced LOAR5

  field cottonrose · Asteraceae
• 
  Lycium barbarum L. Introduced LYBA4

  matrimony vine · Solanaceae
• 
  Marrubium vulgare L. Introduced MAVU

  horehound · Lamiaceae
• 
  Melilotus officinalis (L.) Lam. Introduced MEOF

  sweetclover · Fabaceae
• 
  Nepeta cataria L. Introduced NECA2

  catnip · Lamiaceae
• 
  Phleum pratense L. Introduced PHPR3

  timothy · Poaceae
• 
  Plantago major L. Introduced PLMA2

  common plantain · Plantaginaceae
• 
  Poa bulbosa L. Introduced POBU

  bulbous bluegrass · Poaceae
• 
  Poa compressa L. Introduced POCO

  Canada bluegrass · Poaceae
• 
  Polygonum arenastrum Jord. ex Boreau Introduced POAR11

  oval-leaf knotweed · Polygonaceae
• 
  Polygonum aviculare L. Introduced POAV

  prostrate knotweed · Polygonaceae
• 
  Rumex crispus L. Introduced RUCR

  curly dock · Polygonaceae
• 
  Rumex crispus L. ssp. crispus Introduced RUCRC

  curly dock · Polygonaceae
• 
  Rumex stenophyllus Ledeb. Introduced RUST4

  narrowleaf dock · Polygonaceae
• 
  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae
• 
  Senecio vulgaris L. Introduced SEVU

  old-man-in-the-Spring · Asteraceae
• 
  Setaria viridis (L.) P. Beauv. Introduced SEVI4

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

  green bristlegrass · Poaceae
• 
  Sinapis arvensis L. Introduced SIAR4

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

  wild mustard · Brassicaceae
• 
  Sisymbrium altissimum L. Introduced SIAL2

  tall tumblemustard · Brassicaceae
• 
  Sisymbrium loeselii L. Introduced SILO3

  small tumbleweed mustard · Brassicaceae
• 
  Solanum dulcamara L. Introduced SODU

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

  climbing nightshade · Solanaceae
• 
  Sonchus arvensis L. Introduced SOAR2

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

  moist sowthistle · Asteraceae
• 
  Stellaria media (L.) Vill. Introduced STME2

  common chickweed · Caryophyllaceae
• 
  Stellaria media (L.) Vill. ssp. media Introduced STMEM

  common chickweed · Caryophyllaceae
• 
  Tanacetum vulgare L. Introduced TAVU

  common tansy · Asteraceae
• 
  Taraxacum laevigatum (Willd.) DC. Introduced TALA2

  rock dandelion · Asteraceae
• 
  Thinopyrum intermedium (Host) Barkworth & D.R. Dewey Introduced THIN6

  intermediate wheatgrass · Poaceae
• 
  Thlaspi arvense L. Introduced THAR5

  field pennycress · Brassicaceae
• 
  Tragopogon dubius Scop. Introduced TRDU

  yellow salsify · Asteraceae
• 
  Trifolium pratense L. Introduced TRPR2

  red clover · Fabaceae
• 
  Trifolium repens L. Introduced TRRE3

  white clover · Fabaceae
• 
  Vaccaria hispanica (Mill.) Rauschert Introduced VAHI2

  cow soapwort · Caryophyllaceae
• 
  Verbascum thapsus L. Introduced VETH

  common mullein · Scrophulariaceae