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 451–500 of 3,215.

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  Botrychium multifidum (S.G. Gmel.) Trevis. Native BOMU

  leathery grapefern · Ophioglossaceae 1 county
• 
  Botrychium simplex E. Hitchc. Native BOSI

  little grapefern · Ophioglossaceae 1 county
• 
  Botrychium virginianum (L.) Sw. Native BOVI

  rattlesnake fern · Ophioglossaceae 2 counties
• 
  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae 10 counties
• 
  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae 10 counties
• 
  Bouteloua dactyloides (Nutt.) J.T. Columbus Native BODA2

  buffalograss · Poaceae 7 counties
• 
  Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths Native BOGR2

  blue grama · Poaceae 17 counties
• 
  Boykinia major A. Gray Native BOMA3

  large boykinia · Saxifragaceae 1 county
• 
  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
• 
  Brickellia eupatorioides (L.) Shinners Native BREU

  false boneset · Asteraceae 15 counties
• 
  Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners Native BREUC

  false boneset · Asteraceae 15 counties
• 
  Brickellia grandiflora (Hook.) Nutt. Native BRGR

  tasselflower brickellbush · Asteraceae 9 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 ciliatus L. Native BRCI2

  fringed brome · Poaceae 4 counties
• 
  Bromus ciliatus L. var. ciliatus Native BRCIC3

  fringed brome · Poaceae 1 county
• 
  Bromus ciliatus L. var. richardsonii (Link) B. Boivin Native BRCIR

  fringed brome · Poaceae 1 county
• 
  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. Both BRIN2

  smooth brome · Poaceae 21 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 inermis Leyss. ssp. pumpellianus (Scribn.) Wagnon Native BRINP

  Pumpelly's brome · Poaceae 4 counties
• 
  Bromus inermis Leyss. ssp. pumpellianus (Scribn.) Wagnon var. pumpellianus (Scribn.) C.L. Hitchc. Native BRINP5

  Pumpelly's brome · Poaceae 4 counties
• 
  Bromus latiglumis (Shear) Hitchc. Native BRLA4

  earlyleaf brome · Poaceae 1 county
• 
  Bromus marginatus Nees ex Steud. Native BRMA4

  mountain brome · Poaceae 2 counties
• 
  Bromus porteri (J.M. Coult.) Nash Native BRPO2

  Porter brome · Poaceae 4 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
• 
  Bromus vulgaris (Hook.) Shear Native BRVU

  Columbia brome · Poaceae 1 county
• 
  Bryonia alba L. Introduced BRAL4

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

  corn gromwell · Boraginaceae 28 counties
• 
  Bupleurum americanum J.M. Coult. & Rose Native BUAM2

  American thorow wax · Apiaceae 20 counties
• 
  Butomus umbellatus L. Introduced BUUM

  flowering rush · Butomaceae 2 counties
• 
  Calamagrostis canadensis (Michx.) P. Beauv. Native CACA4

  bluejoint · Poaceae 4 counties
• 
  Calamagrostis canadensis (Michx.) P. Beauv. var. canadensis Native CACAC10

  bluejoint · Poaceae 1 county
• 
  Calamagrostis koelerioides Vasey Native CAKO

  fire reedgrass · Poaceae 1 county
• 
  Calamagrostis montanensis Scribn. ex Vasey Native CAMO

  plains reedgrass · Poaceae 3 counties
• 
  Calamagrostis purpurascens R. Br. Native CAPU

  purple reedgrass · Poaceae 3 counties
• 
  Calamagrostis purpurascens R. Br. var. purpurascens Native CAPUP7

  purple reedgrass · Poaceae 2 counties
• 
  Calamagrostis rubescens Buckley Native CARU

  pinegrass · Poaceae 2 counties
• 
  Calamagrostis scopulorum M.E. Jones Native CASC

  ditch reedgrass · Poaceae 1 county
• 
  Calamagrostis stricta (Timm) Koeler Native CAST36

  slimstem reedgrass · Poaceae 9 counties
• 
  Calamagrostis stricta (Timm) Koeler ssp. inexpansa (A. Gray) C.W. Greene Native CASTI3

  northern reedgrass · Poaceae 5 counties