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 551–600 of 4,111.

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  Atriplex confertifolia (Torr. & Frém.) S. Watson Native ATCO

  shadscale saltbush · Chenopodiaceae 10 counties
• 
  Atriplex corrugata S. Watson Native ATCO4

  mat saltbush · Chenopodiaceae 6 counties
• ⚘
  Atriplex cuneata A. Nelson Native ATCU

  valley saltbush · Chenopodiaceae 1 county
• ⚘
  Atriplex cuneata A. Nelson ssp. cuneata Native ATCUC

  valley saltbush · Chenopodiaceae 1 county
• 
  Atriplex gardneri (Moq.) D. Dietr. Native ATGA

  Gardner's saltbush · Chenopodiaceae 8 counties
• 
  Atriplex graciliflora M.E. Jones Native ATGR

  slenderflower saltbush · Chenopodiaceae 2 counties
• 
  Atriplex hortensis L. Introduced ATHO

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

  twoscale saltbush · Chenopodiaceae 10 counties
• 
  Atriplex obovata Moq. Native ATOB

  mound saltbush · Chenopodiaceae 2 counties
• ⚘
  Atriplex pachypoda Stutz & G.L. Chu Native ATPA8

  thickfoot saltbush · Chenopodiaceae 2 counties
• 
  Atriplex patula L. Introduced ATPA4

  spear saltbush · Chenopodiaceae 10 counties
• 
  Atriplex powellii S. Watson Native ATPO2

  Powell's saltweed · Chenopodiaceae 10 counties
• 
  Atriplex prostrata Bouchér ex DC. Native ATPR

  triangle orache · Chenopodiaceae 3 counties
• 
  Atriplex rosea L. Introduced ATRO

  tumbling saltweed · Chenopodiaceae 16 counties
• 
  Atriplex saccaria S. Watson Native ATSA

  sack saltbush · Chenopodiaceae 4 counties
• 
  Atriplex truncata (Torr. ex S. Watson) A. Gray Native ATTR

  wedgescale saltbush · Chenopodiaceae 6 counties
• 
  Atriplex wolfii S. Watson Native ATWO

  Wolf's saltweed · Chenopodiaceae 4 counties
• ⚘
  Atriplex ×aptera A. Nelson (pro sp.) [canescens × nutallii] Native ATAP

  moundscale · Chenopodiaceae 3 counties
• 
  Avena fatua L. Introduced AVFA

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

  common oat · Poaceae 4 counties
• 
  Avenula hookeri (Scribn.) Holub Native AVHO3

  spikeoat · Poaceae 6 counties
• 
  Axyris amaranthoides L. Introduced AXAM

  Russian pigweed · Chenopodiaceae 4 counties
• 
  Azolla microphylla Kaulf. Native AZMI

  Mexican Mosquito Fern · Azollaceae 3 counties
• 
  Baccharis emoryi A. Gray Native BAEM

  Emory's baccharis · Asteraceae 1 county
• 
  Baccharis salicifolia (Ruiz & Pav.) Pers. Native BASA4

  mule-fat · Asteraceae 1 county
• 
  Baccharis salicina Torr. & A. Gray Native BASA

  willow baccharis · Asteraceae 6 counties
• 
  Baccharis wrightii A. Gray Native BAWR

  Wright's baccharis · Asteraceae 6 counties
• 
  Bacopa rotundifolia (Michx.) Wettst. Native BARO

  disk waterhyssop · Scrophulariaceae 1 county
• 
  Bahia dissecta (A. Gray) Britton Native BADI

  ragleaf bahia · Asteraceae 24 counties
• 
  Balsamorhiza hookeri (Hook.) Nutt. Native BAHO

  Hooker's balsamroot · Asteraceae 2 counties
• 
  Balsamorhiza hookeri (Hook.) Nutt. var. hispidula (Sharp) Cronquist Native BAHOH2

  hairy balsamroot · Asteraceae 2 counties
• 
  Balsamorhiza sagittata (Pursh) Nutt. Native BASA3

  arrowleaf balsamroot · Asteraceae 16 counties
• 
  Barbarea orthoceras Ledeb. Native BAOR

  American yellowrocket · Brassicaceae 14 counties
• 
  Barbarea vulgaris W.T. Aiton Introduced BAVU

  garden yellowrocket · Brassicaceae 13 counties
• 
  Bassia americana (S. Watson) A.J. Scott Native BAAM4

  green molly · Chenopodiaceae 5 counties
• 
  Bassia hyssopifolia (Pall.) Kuntz Introduced BAHY

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

  burningbush · Chenopodiaceae 32 counties
• 
  Beckmannia syzigachne (Steud.) Fernald Native BESY

  American sloughgrass · Poaceae 25 counties
• 
  Berberis fendleri A. Gray Native BEFE

  Colorado barberry · Berberidaceae 9 counties
• 
  Berberis vulgaris L. Introduced BEVU

  common barberry · Berberidaceae 3 counties
• 
  Bergia texana (Hook.) Seub. ex Walp. Native BETE

  Texas bergia · Elatinaceae 4 counties
• 
  Berlandiera lyrata Benth. Native BELY

  lyreleaf greeneyes · Asteraceae 2 counties
• 
  Berteroa incana (L.) DC. Introduced BEIN2

  hoary alyssum · Brassicaceae 7 counties
• 
  Berula erecta (Huds.) Coville Native BEER

  cutleaf waterparsnip · Apiaceae 13 counties
• 
  Besseya alpina (A. Gray) Rydb. Native BEAL

  alpine besseya · Scrophulariaceae 19 counties
• ⚘
  Besseya arizonica Pennell Native BEAR

  Arizona coraldrops · Scrophulariaceae 1 county
• 
  Besseya plantaginea (James) Rydb. Native BEPL

  White River coraldrops · Scrophulariaceae 16 counties
• 
  Besseya ritteriana (Eastw.) Rydb. Native BERI

  Ritter's coraldrops · Scrophulariaceae 8 counties
• 
  Besseya wyomingensis (A. Nelson) Rydb. Native BEWY

  Wyoming besseya · Scrophulariaceae 1 county
• 
  Betula nana L. Native BENA

  dwarf birch · Betulaceae 19 counties