Montana

• Beaverhead 30001
  755 taxa Open ↗
• Big Horn 30003
  565 taxa Open ↗
• Blaine 30005
  333 taxa Open ↗
• Broadwater 30007
  359 taxa Open ↗
• Carbon 30009
  749 taxa Open ↗
• Carter 30011
  454 taxa Open ↗
• Cascade 30013
  768 taxa Open ↗
• Chouteau 30015
  423 taxa Open ↗
• Custer 30017
  458 taxa Open ↗
• Daniels 30019
  384 taxa Open ↗

Showing 351–400 of 465 (introduced).

• 
  Rumex longifolius DC. Introduced RULO2

  dooryard dock · Polygonaceae 1 county
• 
  Rumex obtusifolius L. Introduced RUOB

  bitter dock · Polygonaceae 3 counties
• 
  Rumex patientia L. Introduced RUPA5

  patience dock · Polygonaceae 8 counties
• 
  Rumex sanguineus L. Introduced RUSA2

  redvein dock · Polygonaceae 1 county
• 
  Rumex stenophyllus Ledeb. Introduced RUST4

  narrowleaf dock · Polygonaceae 11 counties
• 
  Sagina procumbens L. Introduced SAPR

  birdeye pearlwort · Caryophyllaceae 2 counties
• 
  Salix alba L. Introduced SAAL2

  white willow · Salicaceae 5 counties
• ⚘
  Salix fragilis L. Introduced SAFR

  crack willow · Salicaceae 5 counties
• 
  Salix pentandra L. Introduced SAPE4

  laurel willow · Salicaceae 3 counties
• 
  Salsola collina Pall. Introduced SACO8

  slender Russian thistle · Chenopodiaceae 4 counties
• 
  Salsola tragus L. Introduced SATR12

  prickly Russian thistle · Chenopodiaceae 51 counties
• 
  Salvia pratensis L. Introduced SAPR2

  introduced sage · Lamiaceae 2 counties
• 
  Salvia sclarea L. Introduced SASC2

  Europe sage · Lamiaceae 1 county
• ⚘
  Salvia ×sylvestris L. (pro sp.) [nemorosa × pratensis] Introduced SASY

  woodland sage · Lamiaceae 18 counties
• 
  Sanguisorba minor Scop. Introduced SAMI3

  small burnet · Rosaceae 10 counties
• 
  Sanguisorba minor Scop. ssp. balearica (Bourg. ex Nyman) M. Garm. & C. Navarro Introduced SAMIB2

  small burnet · Rosaceae 10 counties
• 
  Saponaria officinalis L. Introduced SAOF4

  bouncingbet · Caryophyllaceae 15 counties
• 
  Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

  tall fescue · Poaceae 25 counties
• 
  Schedonorus pratensis (Huds.) P. Beauv. Introduced SCPR4

  meadow fescue · Poaceae 21 counties
• 
  Scleranthus annuus L. Introduced SCAN2

  German knotgrass · Caryophyllaceae 7 counties
• 
  Sclerochloa dura (L.) P. Beauv. Introduced SCDU2

  common hardgrass · Poaceae 2 counties
• 
  Scorzonera laciniata L. Introduced SCLA6

  cutleaf vipergrass · Asteraceae 11 counties
• 
  Secale cereale L. Introduced SECE

  cereal rye · Poaceae 12 counties
• 
  Securigera varia (L.) Lassen Introduced SEVA4

  crownvetch · Fabaceae 6 counties
• 
  Sedum acre L. Introduced SEAC

  goldmoss stonecrop · Crassulaceae 5 counties
• 
  Senecio jacobaea L. Introduced SEJA

  stinking willie · Asteraceae 4 counties
• 
  Senecio vulgaris L. Introduced SEVU

  old-man-in-the-Spring · Asteraceae 21 counties
• 
  Setaria italica (L.) P. Beauv. Introduced SEIT

  foxtail millet · Poaceae 1 county
• 
  Setaria verticillata (L.) P. Beauv. Introduced SEVE3

  hooked bristlegrass · Poaceae 6 counties
• 
  Setaria viridis (L.) P. Beauv. Introduced SEVI4

  green bristlegrass · Poaceae 43 counties
• 
  Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIV

  green bristlegrass · Poaceae 43 counties
• 
  Silene conoidea L. Introduced SICO4

  weed silene · Caryophyllaceae 4 counties
• 
  Silene csereii Baumg. Introduced SICS

  Balkan catchfly · Caryophyllaceae 27 counties
• 
  Silene dichotoma Ehrh. Introduced SIDI2

  forked catchfly · Caryophyllaceae 7 counties
• 
  Silene dioica (L.) Clairville Introduced SIDI4

  red catchfly · Caryophyllaceae 1 county
• 
  Silene latifolia Poir. Introduced SILA21

  bladder campion · Caryophyllaceae 33 counties
• 
  Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet Introduced SILAA3

  bladder campion · Caryophyllaceae 32 counties
• 
  Silene noctiflora L. Introduced SINO

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

  maidenstears · Caryophyllaceae 29 counties
• 
  Sinapis alba L. Introduced SIAL5

  white mustard · Brassicaceae 3 counties
• 
  Sinapis arvensis L. Introduced SIAR4

  charlock mustard · Brassicaceae 29 counties
• 
  Sinapis arvensis L. ssp. arvensis Introduced SIARA

  wild mustard · Brassicaceae 29 counties
• 
  Sisymbrium altissimum L. Introduced SIAL2

  tall tumblemustard · Brassicaceae 51 counties
• 
  Sisymbrium loeselii L. Introduced SILO3

  small tumbleweed mustard · Brassicaceae 25 counties
• 
  Sisymbrium officinale (L.) Scop. Introduced SIOF

  hedgemustard · Brassicaceae 6 counties
• 
  Solanum dulcamara L. Introduced SODU

  climbing nightshade · Solanaceae 34 counties
• 
  Solanum dulcamara L. var. dulcamara Introduced SODUD

  climbing nightshade · Solanaceae 34 counties
• 
  Solanum physalifolium Rusby Introduced SOPH

  hoe nightshade · Solanaceae 25 counties
• 
  Sonchus arvensis L. Introduced SOAR2

  field sowthistle · Asteraceae 45 counties
• 
  Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman Introduced SOARU

  moist sowthistle · Asteraceae 17 counties