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 401–450 of 3,215.

• 
  Atriplex argentea Nutt. Native ATAR2

  silverscale saltbush · Chenopodiaceae 23 counties
• 
  Atriplex argentea Nutt. ssp. argentea Native ATARA

  silverscale saltbush · Chenopodiaceae 23 counties
• 
  Atriplex argentea Nutt. ssp. argentea var. argentea Native ATARA2

  silverscale saltbush · Chenopodiaceae 23 counties
• 
  Atriplex canescens (Pursh) Nutt. Native ATCA2

  fourwing saltbush · Chenopodiaceae 9 counties
• 
  Atriplex canescens (Pursh) Nutt. var. canescens Native ATCAC

  fourwing saltbush · Chenopodiaceae 9 counties
• 
  Atriplex confertifolia (Torr. & Frém.) S. Watson Native ATCO

  shadscale saltbush · Chenopodiaceae 16 counties
• 
  Atriplex gardneri (Moq.) D. Dietr. Native ATGA

  Gardner's saltbush · Chenopodiaceae 28 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 powellii S. Watson Native ATPO2

  Powell's saltweed · Chenopodiaceae 2 counties
• 
  Atriplex rosea L. Introduced ATRO

  tumbling saltweed · Chenopodiaceae 18 counties
• 
  Atriplex truncata (Torr. ex S. Watson) A. Gray Native ATTR

  wedgescale saltbush · Chenopodiaceae 2 counties
• ⚘
  Atriplex ×aptera A. Nelson (pro sp.) [canescens × nutallii] Native ATAP

  moundscale · Chenopodiaceae 1 county
• 
  Avena fatua L. Introduced AVFA

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

  common oat · Poaceae 5 counties
• 
  Avenula hookeri (Scribn.) Holub Native AVHO3

  spikeoat · Poaceae 4 counties
• 
  Axyris amaranthoides L. Introduced AXAM

  Russian pigweed · Chenopodiaceae 1 county
• 
  Bacopa rotundifolia (Michx.) Wettst. Native BARO

  disk waterhyssop · Scrophulariaceae 1 county
• 
  Balsamorhiza incana Nutt. Native BAIN

  hoary balsamroot · Asteraceae 10 counties
• 
  Balsamorhiza macrophylla Nutt. Native BAMA4

  cutleaf balsamroot · Asteraceae 1 county
• 
  Balsamorhiza sagittata (Pursh) Nutt. Native BASA3

  arrowleaf balsamroot · Asteraceae 31 counties
• 
  Barbarea orthoceras Ledeb. Native BAOR

  American yellowrocket · Brassicaceae 8 counties
• 
  Barbarea verna (Mill.) Asch. Introduced BAVE

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

  garden yellowrocket · Brassicaceae 11 counties
• 
  Bassia americana (S. Watson) A.J. Scott Native BAAM4

  green molly · Chenopodiaceae 1 county
• 
  Bassia hyssopifolia (Pall.) Kuntz Introduced BAHY

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

  burningbush · Chenopodiaceae 50 counties
• 
  Beckmannia syzigachne (Steud.) Fernald Native BESY

  American sloughgrass · Poaceae 15 counties
• 
  Bellis perennis L. Introduced BEPE2

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

  common barberry · Berberidaceae 8 counties
• 
  Bergia texana (Hook.) Seub. ex Walp. Native BETE

  Texas bergia · Elatinaceae 1 county
• 
  Berteroa incana (L.) DC. Introduced BEIN2

  hoary alyssum · Brassicaceae 25 counties
• 
  Berula erecta (Huds.) Coville Native BEER

  cutleaf waterparsnip · Apiaceae 4 counties
• 
  Besseya rubra (Douglas ex Hook.) Rydb. Native BERU

  red besseya · Scrophulariaceae 4 counties
• 
  Besseya wyomingensis (A. Nelson) Rydb. Native BEWY

  Wyoming besseya · Scrophulariaceae 42 counties
• 
  Beta vulgaris L. Introduced BEVU2

  common beet · Chenopodiaceae 6 counties
• 
  Betula nana L. Native BENA

  dwarf birch · Betulaceae 13 counties
• 
  Betula occidentalis Hook. Native BEOC2

  water birch · Betulaceae 21 counties
• 
  Betula papyrifera Marshall Native BEPA

  paper birch · Betulaceae 7 counties
• 
  Betula papyrifera Marshall var. papyrifera Native BEPAP

  paper birch · Betulaceae 7 counties
• 
  Bidens cernua L. Native BICE

  nodding beggartick · Asteraceae 19 counties
• 
  Bidens tripartita L. Native BITR

  threelobe beggarticks · Asteraceae 2 counties
• 
  Bidens vulgata Greene Native BIVU

  big devils beggartick · Asteraceae 7 counties
• 
  Bolboschoenus fluviatilis (Torr.) Soják Native BOFL3

  river bulrush · Cyperaceae 3 counties
• 
  Bolboschoenus maritimus (L.) Palla Native BOMA7

  cosmopolitan bulrush · Cyperaceae 14 counties
• 
  Borago officinalis L. Introduced BOOF

  common borage · Boraginaceae 9 counties
• 
  Botrychium hesperium (Maxon & R.T. Clausen) W.H. Wagner & Lellinger Native BOHE5

  western moonwort · Ophioglossaceae 1 county
• 
  Botrychium lunaria (L.) Sw. Native BOLU

  common moonwort · Ophioglossaceae 1 county