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 101–150 of 3,215.

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  Alyssum desertorum Stapf var. desertorum Introduced ALDED

  desert madwort · Brassicaceae 35 counties
• 
  Amaranthus albus L. Introduced AMAL

  prostrate pigweed · Amaranthaceae 18 counties
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  Amaranthus arenicola I.M. Johnst. Native AMAR

  sandhill amaranth · Amaranthaceae 1 county
• 
  Amaranthus blitoides S. Watson Introduced AMBL

  mat amaranth · Amaranthaceae 41 counties
• 
  Amaranthus californicus (Moq.) S. Watson Native AMCA

  California amaranth · Amaranthaceae 2 counties
• 
  Amaranthus hybridus L. Native AMHY

  slim amaranth · Amaranthaceae 9 counties
• 
  Amaranthus powellii S. Watson Native AMPO2

  Powell's amaranth · Amaranthaceae 1 county
• 
  Amaranthus powellii S. Watson ssp. powellii Native AMPOP

  Powell's amaranth · Amaranthaceae 1 county
• 
  Amaranthus retroflexus L. Native AMRE

  redroot amaranth · Amaranthaceae 36 counties
• 
  Ambrosia acanthicarpa Hook. Native AMAC2

  flatspine bur ragweed · Asteraceae 4 counties
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  Ambrosia artemisiifolia L. Both AMAR2

  annual ragweed · Asteraceae 12 counties
• 
  Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMARE

  annual ragweed · Asteraceae 12 counties
• 
  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae 13 counties
• 
  Ambrosia tomentosa Nutt. Native AMTO3

  skeletonleaf bur ragweed · Asteraceae 3 counties
• 
  Ambrosia trifida L. Native AMTR

  great ragweed · Asteraceae 15 counties
• 
  Ambrosia trifida L. var. trifida Native AMTRT2

  great ragweed · Asteraceae 14 counties
• 
  Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2

  Saskatoon serviceberry · Rosaceae 34 counties
• 
  Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. alnifolia Native AMALA

  Saskatoon serviceberry · Rosaceae 5 counties
• 
  Amelanchier humilis Wiegand Native AMHU2

  low serviceberry · Rosaceae 2 counties
• ⚘
  Amelanchier pumila (Torr. & A. Gray) Nutt. ex M. Roem. Native AMPU5

  dwarf serviceberry · Rosaceae 2 counties
• 
  Amelanchier sanguinea (Pursh) DC. Native AMSA

  roundleaf serviceberry · Rosaceae 1 county
• 
  Amelanchier sanguinea (Pursh) DC. var. sanguinea Native AMSAS

  roundleaf serviceberry · Rosaceae 1 county
• 
  Amelanchier utahensis Koehne Native AMUT

  Utah serviceberry · Rosaceae 3 counties
• 
  Amelanchier utahensis Koehne var. utahensis Native AMUTU

  Utah serviceberry · Rosaceae 3 counties
• 
  Amerorchis rotundifolia (Banks ex Pursh) Hultén Native AMRO

  roundleaf orchid · Orchidaceae 1 county
• 
  Ammannia robusta Heer & Regel Native AMRO3

  grand redstem · Lythraceae 4 counties
• 
  Amorpha canescens Pursh Native AMCA6

  leadplant · Fabaceae 1 county
• 
  Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. Native AMME

  Menzies' fiddleneck · Boraginaceae 5 counties
• 
  Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. intermedia (Fisch. & C.A. Mey.) Ganders Native AMMEI2

  common fiddleneck · Boraginaceae 5 counties
• 
  Anagallis arvensis L. Introduced ANAR

  scarlet pimpernel · Primulaceae 1 county
• 
  Anagallis arvensis L. ssp. arvensis Introduced ANARA7

  scarlet pimpernel · Primulaceae 1 county
• 
  Anagallis minima (L.) Krause Native ANMI4

  chaffweed · Primulaceae 4 counties
• 
  Anaphalis margaritacea (L.) Benth. Native ANMA

  western pearly everlasting · Asteraceae 22 counties
• 
  Anchusa arvensis (L.) M. Bieb. Introduced ANAR16

  small bugloss · Boraginaceae 4 counties
• 
  Anchusa azurea Mill. Introduced ANAZ

  Italian bugloss · Boraginaceae 2 counties
• 
  Anchusa officinalis L. Introduced ANOF

  common bugloss · Boraginaceae 6 counties
• 
  Andropogon gerardii Vitman Native ANGE

  big bluestem · Poaceae 3 counties
• 
  Andropogon hallii Hack. Native ANHA

  sand bluestem · Poaceae 1 county
• 
  Androsace chamaejasme Wulfen Native ANCH

  sweetflower rockjasmine · Primulaceae 2 counties
• 
  Androsace chamaejasme Wulfen ssp. carinata (Torr.) Hultén Native ANCHC

  sweetflower rockjasmine · Primulaceae 1 county
• 
  Androsace chamaejasme Wulfen ssp. lehmanniana (Spreng.) Hultén Native ANCHL

  Lehmann's rockjasmine · Primulaceae 1 county
• 
  Androsace filiformis Retz. Native ANFI

  filiform rockjasmine · Primulaceae 8 counties
• 
  Androsace occidentalis Pursh Native ANOC2

  western rockjasmine · Primulaceae 17 counties
• 
  Androsace septentrionalis L. Native ANSE4

  pygmyflower rockjasmine · Primulaceae 20 counties
• 
  Androsace septentrionalis L. ssp. puberulenta (Rydb.) G.T. Robbins Native ANSEP2

  pygmyflower rockjasmine · Primulaceae 1 county
• 
  Androsace septentrionalis L. ssp. subulifera (A. Gray) G.T. Robbins Native ANSES4

  pygmyflower rockjasmine · Primulaceae 2 counties
• 
  Anemone canadensis L. Native ANCA8

  Canadian anemone · Ranunculaceae 6 counties
• 
  Anemone cylindrica A. Gray Native ANCY

  candle anemone · Ranunculaceae 18 counties
• 
  Anemone lithophila Rydb. Native ANLI4

  Little Belt Mountain thimbleweed · Ranunculaceae 1 county
• 
  Anemone multifida Poir. Native ANMU

  Pacific anemone · Ranunculaceae 28 counties