Colorado

• Adams 08001
  205 taxa Open ↗
• Alamosa 08003
  652 taxa Open ↗
• Arapahoe 08005
  254 taxa Open ↗
• Archuleta 08007
  651 taxa Open ↗
• Baca 08009
  785 taxa Open ↗
• Bent 08011
  267 taxa Open ↗
• Boulder 08013
  1,961 taxa Open ↗
• Broomfield 08014
  0 taxa Open ↗
• Chaffee 08015
  607 taxa Open ↗
• Cheyenne 08017
  694 taxa Open ↗

Showing 51–100 of 434 (introduced).

• 
  Atriplex hortensis L. Introduced ATHO

  garden orache · Chenopodiaceae 9 counties
• 
  Atriplex micrantha Ledeb. Introduced ATMI2

  twoscale saltbush · Chenopodiaceae 10 counties
• 
  Atriplex patula L. Introduced ATPA4

  spear saltbush · Chenopodiaceae 10 counties
• 
  Atriplex rosea L. Introduced ATRO

  tumbling saltweed · Chenopodiaceae 16 counties
• 
  Avena fatua L. Introduced AVFA

  wild oat · Poaceae 5 counties
• 
  Avena sativa L. Introduced AVSA

  common oat · Poaceae 4 counties
• 
  Axyris amaranthoides L. Introduced AXAM

  Russian pigweed · Chenopodiaceae 4 counties
• 
  Barbarea vulgaris W.T. Aiton Introduced BAVU

  garden yellowrocket · Brassicaceae 13 counties
• 
  Bassia hyssopifolia (Pall.) Kuntz Introduced BAHY

  fivehorn smotherweed · Chenopodiaceae 7 counties
• 
  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae 32 counties
• 
  Berberis vulgaris L. Introduced BEVU

  common barberry · Berberidaceae 3 counties
• 
  Berteroa incana (L.) DC. Introduced BEIN2

  hoary alyssum · Brassicaceae 7 counties
• 
  Bothriochloa bladhii (Retz.) S.T. Blake Introduced BOBL

  Caucasian bluestem · Poaceae 2 counties
• 
  Bothriochloa ischaemum (L.) Keng Introduced BOIS

  yellow bluestem · Poaceae 7 counties
• 
  Bothriochloa ischaemum (L.) Keng var. songarica (Rupr. ex Fisch. & C.A. Mey.) Celarier & Harlan Introduced BOISS

  yellow bluestem · Poaceae 7 counties
• 
  Brachypodium distachyon (L.) P. Beauv. Introduced BRDI2

  purple false brome · Poaceae 1 county
• 
  Brassica juncea (L.) Czern. Introduced BRJU

  brown mustard · Brassicaceae 3 counties
• 
  Brassica napus L. Introduced BRNA

  rape · Brassicaceae 5 counties
• 
  Brassica nigra (L.) W.D.J. Koch Introduced BRNI

  black mustard · Brassicaceae 2 counties
• 
  Brassica rapa L. Introduced BRRA

  field mustard · Brassicaceae 3 counties
• 
  Brassica rapa L. var. rapa Introduced BRRAR

  field mustard · Brassicaceae 3 counties
• 
  Briza media L. Introduced BRME

  perennial quakinggrass · Poaceae 1 county
• 
  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae 27 counties
• 
  Bromus briziformis Fisch. & C.A. Mey. Introduced BRBR5

  rattlesnake brome · Poaceae 2 counties
• 
  Bromus catharticus Vahl Introduced BRCA6

  rescuegrass · Poaceae 1 county
• 
  Bromus diandrus Roth Introduced BRDI3

  ripgut brome · Poaceae 1 county
• 
  Bromus diandrus Roth ssp. rigidus (Roth) Lainz Introduced BRDIR

  ripgut brome · Poaceae 1 county
• 
  Bromus hordeaceus L. Introduced BRHO2

  soft brome · Poaceae 1 county
• 
  Bromus hordeaceus L. ssp. hordeaceus Introduced BRHOH

  soft brome · Poaceae 1 county
• 
  Bromus inermis Leyss. ssp. inermis Introduced BRINI

  smooth brome · Poaceae 35 counties
• 
  Bromus inermis Leyss. ssp. inermis var. inermis Introduced BRINI2

  smooth brome · Poaceae 35 counties
• 
  Bromus racemosus L. Introduced BRRA2

  bald brome · Poaceae 4 counties
• 
  Bromus secalinus L. Introduced BRSE

  rye brome · Poaceae 2 counties
• 
  Bromus secalinus L. var. secalinus Introduced BRSES

  rye brome · Poaceae 2 counties
• 
  Bromus squarrosus L. Introduced BRSQ2

  corn brome · Poaceae 4 counties
• 
  Bromus sterilis L. Introduced BRST2

  poverty brome · Poaceae 2 counties
• 
  Bromus tectorum L. Introduced BRTE

  cheatgrass · Poaceae 44 counties
• 
  Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

  corn gromwell · Boraginaceae 1 county
• 
  Camelina microcarpa Andrz. ex DC. Introduced CAMI2

  littlepod false flax · Brassicaceae 33 counties
• 
  Camelina rumelica Velen. Introduced CARU15

  graceful false flax · Brassicaceae 5 counties
• 
  Camelina sativa (L.) Crantz Introduced CASA2

  false flax · Brassicaceae 1 county
• 
  Camelina sativa (L.) Crantz ssp. sativa Introduced CASAS2

  gold-of-pleasure · Brassicaceae 1 county
• 
  Campanula rapunculoides L. Introduced CARA

  rampion bellflower · Campanulaceae 7 counties
• 
  Cannabis sativa L. Introduced CASA3

  marijuana · Cannabaceae 4 counties
• 
  Cannabis sativa L. ssp. sativa Introduced CASAS3

  marijuana · Cannabaceae 4 counties
• 
  Cannabis sativa L. ssp. sativa var. sativa Introduced CASAS9

  marijuana · Cannabaceae 4 counties
• 
  Capsella bursa-pastoris (L.) Medik. Introduced CABU2

  shepherd's purse · Brassicaceae 29 counties
• 
  Caragana arborescens Lam. Introduced CAAR18

  Siberian peashrub · Fabaceae 7 counties
• 
  Caragana aurantiaca Koehne Introduced CAAU10

  dwarf peashrub · Fabaceae 2 counties
• 
  Cardaria chalepensis (L.) Hand.-Maz. Introduced CACH42

  lenspod whitetop · Brassicaceae 18 counties