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 1–50 of 3,215.

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  Abies grandis (Douglas ex D. Don) Lindl. Native ABGR

  grand fir · Pinaceae 3 counties
• 
  Abies lasiocarpa (Hook.) Nutt. Native ABLA

  subalpine fir · Pinaceae 7 counties
• 
  Abies lasiocarpa (Hook.) Nutt. var. lasiocarpa Native ABLAL

  subalpine fir · Pinaceae 7 counties
• 
  Abronia fragrans Nutt. ex Hook. Native ABFR2

  snowball sand verbena · Nyctaginaceae 5 counties
• 
  Abutilon theophrasti Medik. Introduced ABTH

  velvetleaf · Malvaceae 24 counties
• 
  Acer glabrum Torr. Native ACGL

  Rocky Mountain maple · Aceraceae 25 counties
• 
  Acer glabrum Torr. var. glabrum Native ACGLG2

  Rocky Mountain maple · Aceraceae 2 counties
• 
  Acer grandidentatum Nutt. Native ACGR3

  bigtooth maple · Aceraceae 1 county
• 
  Acer negundo L. Native ACNE2

  boxelder · Aceraceae 26 counties
• 
  Acer negundo L. var. interius (Britton) Sarg. Native ACNEI2

  boxelder · Aceraceae 3 counties
• 
  Acer negundo L. var. violaceum (G. Kirchn.) H. Jaeger Native ACNEV

  boxelder · Aceraceae 1 county
• 
  Acer platanoides L. Introduced ACPL

  Norway maple · Aceraceae 7 counties
• 
  Achillea millefolium L. Both ACMI2

  common yarrow · Asteraceae 55 counties
• 
  Achillea millefolium L. var. alpicola (Rydb.) Garrett Native ACMIA

  common yarrow · Asteraceae 2 counties
• 
  Achillea millefolium L. var. occidentalis DC. Native ACMIO

  western yarrow · Asteraceae 21 counties
• 
  Achillea nobilis L. Introduced ACNO

  noble yarrow · Asteraceae 3 counties
• 
  Achillea ptarmica L. Introduced ACPT

  sneezeweed · Asteraceae 4 counties
• 
  Achillea sibirica Ledeb. Native ACSI

  Siberian yarrow · Asteraceae 1 county
• 
  Achnatherum hymenoides (Roem. & Schult.) Barkworth Native ACHY

  Indian ricegrass · Poaceae 18 counties
• 
  Achnatherum lettermanii (Vasey) Barkworth Native ACLE9

  Letterman's needlegrass · Poaceae 2 counties
• 
  Achnatherum nelsonii (Scribn.) Barkworth Native ACNE9

  Columbia needlegrass · Poaceae 4 counties
• 
  Achnatherum nelsonii (Scribn.) Barkworth ssp. dorei (Barkworth & Maze) Barkworth Native ACNED

  Dore's needlegrass · Poaceae 2 counties
• 
  Achnatherum nelsonii (Scribn.) Barkworth ssp. nelsonii Native ACNEN2

  Columbia needlegrass · Poaceae 4 counties
• 
  Achnatherum occidentale (Thurb.) Barkworth Native ACOC3

  western needlegrass · Poaceae 2 counties
• 
  Achnatherum occidentale (Thurb.) Barkworth ssp. pubescens (Vasey) Barkworth Native ACOCP

  pubescent western needlegrass · Poaceae 2 counties
• 
  Achnatherum pinetorum (M.E. Jones) Barkworth Native ACPI2

  pine needlegrass · Poaceae 1 county
• 
  Achnatherum richardsonii (Link) Barkworth Native ACRI8

  Richardson's needlegrass · Poaceae 3 counties
• 
  Acinos arvensis (Lam.) Dandy Introduced ACAR2

  basil thyme · Lamiaceae 1 county
• 
  Aconitum columbianum Nutt. Native ACCO4

  Columbian monkshood · Ranunculaceae 7 counties
• 
  Aconitum columbianum Nutt. ssp. columbianum Native ACCOC3

  Columbian monkshood · Ranunculaceae 7 counties
• 
  Acroptilon repens (L.) DC. Introduced ACRE3

  hardheads · Asteraceae 56 counties
• 
  Actaea rubra (Aiton) Willd. Native ACRU2

  red baneberry · Ranunculaceae 10 counties
• 
  Actaea rubra (Aiton) Willd. ssp. arguta (Nutt.) Hultén Native ACRUA8

  red baneberry · Ranunculaceae 2 counties
• 
  Actaea rubra (Aiton) Willd. ssp. rubra Native ACRUR2

  red baneberry · Ranunculaceae 1 county
• 
  Adenocaulon bicolor Hook. Native ADBI

  American trailplant · Asteraceae 4 counties
• 
  Adiantum aleuticum (Rupr.) Paris Native ADAL

  Aleutian maidenhair · Pteridaceae 1 county
• 
  Adonis aestivalis L. Introduced ADAE

  summer pheasant's eye · Ranunculaceae 1 county
• 
  Adonis annua L. Introduced ADAN

  blooddrops · Ranunculaceae 2 counties
• 
  Adoxa moschatellina L. Native ADMO

  muskroot · Adoxaceae 3 counties
• 
  Aegilops cylindrica Host Introduced AECY

  jointed goatgrass · Poaceae 12 counties
• 
  Aegopodium podagraria L. Introduced AEPO

  bishop's goutweed · Apiaceae 1 county
• 
  Agastache foeniculum (Pursh) Kuntze Native AGFO

  blue giant hyssop · Lamiaceae 3 counties
• 
  Agastache urticifolia (Benth.) Kuntze Native AGUR

  nettleleaf giant hyssop · Lamiaceae 12 counties
• 
  Agastache urticifolia (Benth.) Kuntze var. urticifolia Native AGURU

  nettleleaf giant hyssop · Lamiaceae 12 counties
• 
  Agoseris aurantiaca (Hook.) Greene Native AGAU2

  orange agoseris · Asteraceae 12 counties
• 
  Agoseris aurantiaca (Hook.) Greene var. aurantiaca Native AGAUA

  orange agoseris · Asteraceae 2 counties
• 
  Agoseris aurantiaca (Hook.) Greene var. purpurea (A. Gray) Cronquist Native AGAUP

  orange agoseris · Asteraceae 2 counties
• 
  Agoseris glauca (Pursh) Raf. Native AGGL

  pale agoseris · Asteraceae 46 counties
• 
  Agoseris glauca (Pursh) Raf. var. dasycephala (Torr. & A. Gray) Jeps. Native AGGLD

  pale agoseris · Asteraceae 4 counties
• 
  Agoseris glauca (Pursh) Raf. var. glauca Native AGGLG

  pale agoseris · Asteraceae 4 counties