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 51–100 of 465 (introduced).

• 
  Asperugo procumbens L. Introduced ASPR

  German-madwort · Boraginaceae 41 counties
• 
  Astragalus cicer L. Introduced ASCI4

  chickpea milkvetch · Fabaceae 16 counties
• 
  Astragalus falcatus Lam. Introduced ASFA3

  Russian milkvetch · Fabaceae 2 counties
• 
  Atriplex hortensis L. Introduced ATHO

  garden orache · Chenopodiaceae 23 counties
• 
  Atriplex micrantha Ledeb. Introduced ATMI2

  twoscale saltbush · Chenopodiaceae 13 counties
• 
  Atriplex oblongifolia Waldst. & Kit. Introduced ATOB2

  oblongleaf orache · Chenopodiaceae 1 county
• 
  Atriplex patula L. Introduced ATPA4

  spear saltbush · Chenopodiaceae 15 counties
• 
  Atriplex rosea L. Introduced ATRO

  tumbling saltweed · Chenopodiaceae 18 counties
• 
  Avena fatua L. Introduced AVFA

  wild oat · Poaceae 20 counties
• 
  Avena sativa L. Introduced AVSA

  common oat · Poaceae 5 counties
• 
  Axyris amaranthoides L. Introduced AXAM

  Russian pigweed · Chenopodiaceae 1 county
• 
  Barbarea verna (Mill.) Asch. Introduced BAVE

  early yellowrocket · Brassicaceae 1 county
• 
  Barbarea vulgaris W.T. Aiton Introduced BAVU

  garden yellowrocket · Brassicaceae 11 counties
• 
  Bassia hyssopifolia (Pall.) Kuntz Introduced BAHY

  fivehorn smotherweed · Chenopodiaceae 9 counties
• 
  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae 50 counties
• 
  Bellis perennis L. Introduced BEPE2

  lawndaisy · Asteraceae 4 counties
• 
  Berberis vulgaris L. Introduced BEVU

  common barberry · Berberidaceae 8 counties
• 
  Berteroa incana (L.) DC. Introduced BEIN2

  hoary alyssum · Brassicaceae 25 counties
• 
  Beta vulgaris L. Introduced BEVU2

  common beet · Chenopodiaceae 6 counties
• 
  Borago officinalis L. Introduced BOOF

  common borage · Boraginaceae 9 counties
• 
  Brassica juncea (L.) Czern. Introduced BRJU

  brown mustard · Brassicaceae 13 counties
• 
  Brassica nigra (L.) W.D.J. Koch Introduced BRNI

  black mustard · Brassicaceae 23 counties
• 
  Brassica rapa L. Introduced BRRA

  field mustard · Brassicaceae 13 counties
• 
  Brassica rapa L. var. rapa Introduced BRRAR

  field mustard · Brassicaceae 13 counties
• 
  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae 45 counties
• 
  Bromus briziformis Fisch. & C.A. Mey. Introduced BRBR5

  rattlesnake brome · Poaceae 12 counties
• 
  Bromus hordeaceus L. Introduced BRHO2

  soft brome · Poaceae 14 counties
• 
  Bromus hordeaceus L. ssp. hordeaceus Introduced BRHOH

  soft brome · Poaceae 14 counties
• 
  Bromus inermis Leyss. ssp. inermis Introduced BRINI

  smooth brome · Poaceae 21 counties
• 
  Bromus inermis Leyss. ssp. inermis var. inermis Introduced BRINI2

  smooth brome · Poaceae 21 counties
• 
  Bromus racemosus L. Introduced BRRA2

  bald brome · Poaceae 18 counties
• 
  Bromus secalinus L. Introduced BRSE

  rye brome · Poaceae 9 counties
• 
  Bromus secalinus L. var. secalinus Introduced BRSES

  rye brome · Poaceae 9 counties
• 
  Bromus squarrosus L. Introduced BRSQ2

  corn brome · Poaceae 10 counties
• 
  Bromus tectorum L. Introduced BRTE

  cheatgrass · Poaceae 51 counties
• 
  Bryonia alba L. Introduced BRAL4

  white bryony · Cucurbitaceae 5 counties
• 
  Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

  corn gromwell · Boraginaceae 28 counties
• 
  Butomus umbellatus L. Introduced BUUM

  flowering rush · Butomaceae 2 counties
• 
  Camelina microcarpa Andrz. ex DC. Introduced CAMI2

  littlepod false flax · Brassicaceae 52 counties
• 
  Camelina sativa (L.) Crantz Introduced CASA2

  false flax · Brassicaceae 24 counties
• 
  Camelina sativa (L.) Crantz ssp. sativa Introduced CASAS2

  gold-of-pleasure · Brassicaceae 23 counties
• 
  Campanula glomerata L. Introduced CAGL2

  Dane's blood · Campanulaceae 11 counties
• 
  Campanula medium L. Introduced CAME20

  Canterbury bells · Campanulaceae 1 county
• 
  Campanula rapunculoides L. Introduced CARA

  rampion bellflower · Campanulaceae 43 counties
• 
  Cannabis sativa L. Introduced CASA3

  marijuana · Cannabaceae 8 counties
• 
  Cannabis sativa L. ssp. sativa Introduced CASAS3

  marijuana · Cannabaceae 8 counties
• 
  Cannabis sativa L. ssp. sativa var. sativa Introduced CASAS9

  marijuana · Cannabaceae 8 counties
• 
  Capsella bursa-pastoris (L.) Medik. Introduced CABU2

  shepherd's purse · Brassicaceae 54 counties
• 
  Caragana arborescens Lam. Introduced CAAR18

  Siberian peashrub · Fabaceae 11 counties
• 
  Cardaria chalepensis (L.) Hand.-Maz. Introduced CACH42

  lenspod whitetop · Brassicaceae 11 counties