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Ecoregions of Montana

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↑Map Legend & Subregion List

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Name	†	Color on Map
Tobacco Plains	○
High Northern Rockies	○
High Idaho Batholith	○
Dry Gneissic-Schistose-Volcanic Hills	○
Big Hole	○
Eastern Batholith	○
Western Beaverhead Mountains	○
Lochsa Uplands	○
Forested Beaverhead Mountains	○
Pioneer-Anaconda Ranges	○
Eastern Pioneer Sedimentary Mountains	○
Elkhorn Mountains-Boulder Batholith	○
Southern Garnet Sedimentary-Volcanic Mountains	○
Deer Lodge-Philipsburg-Avon Grassy Intermontane Hills and Valleys	○
Glaciated Bitterroot Mountains and Canyons	○
Absaroka Volcanic Subalpine Zone	○
Sedimentary Subalpine Zone	○
Barren Mountains	○
Eastern Gravelly Mountains	○
Crazy Mountains	○
Alpine Zone	○
Yellowstone Plateau	○
Dry Mid-elevation Sedimentary Mountains	○
Scattered Eastern Igneous-Core Mountains	○
Rattlesnake-Blackfoot-South Swan-Northern Garnet-Sapphire Mountains	○
Foothill Potholes	○
Big Snowy-Little Belt Carbonate Mountains	○
Bitterroot-Frenchtown Valley	○
Limy Foothill Savanna	○
Townsend-Horseshoe-London Sedimentary Hills	○
Bighorn Basin	○
Crestal Alpine-Subalpine Zone	○
Glaciated Dark Brown Prairie	○
Glaciated Northern Grasslands	○
Coteau Lakes Upland	○
North Central Brown Glaciated Plains	○
Rocky Mountain Front Foothill Potholes	○
Foothill Grassland	○
River Breaks	○
Cherry Patch Moraines	○
Pine Scoria Hills	○
Semiarid Pierre Shale Plains	○
Montana Central Grasslands	○
Non-calcareous Foothill Grassland	○
Shield-Smith Valleys	○
Limy Foothill Grassland	○
Flathead Hills and Mountains	○
Grave Creek Range-Nine Mile Divide	○
Flathead Valley	○
Camas Valley	○
Purcell-Cabinet-North Bitterroot Mountains	○
Clearwater Mountains and Breaks	○
Stillwater-Swan Wooded Valley	○
Clark Fork Valley and Mountains	○
Salish Mountains	○
Coeur d Alene Metasedimentary Zone	○
St. Joe Schist-Gneiss Zone	○
South Clearwater Forested Mountains	○
Centennial Basin	○
Eastern Divide Mountains	○
Flint Creek-Anaconda Mountains	○
Dry Intermontane Sagebrush Valleys	○
Mid-elevation Sedimentary Mountains	○
Gneissic-Schistose Forested Mountains	○
Absaroka-Gallatin Volcanic Mountains	○
Tobacco Root Mountains	○
Granitic Subalpine Zone	○
Paradise Valley	○
Big Belt Forested Highlands	○
Townsend Basin	○
Northern Front	○
Southern Carbonate Front	○
Western Canadian Rockies	○
Forested Buttes	○
Unglaciated Montana High Plains	○
Sagebrush Steppe	○
Collapsed Glacial Outwash	○
Flathead Thrust Faulted Carbonate-Rich Mountains	○
Northern Missouri Coteau	○
Sweetgrass Uplands	○
Milk River Pothole Upland	○
Missouri Plateau	○
Little Missouri Badlands	○
Dense Clay Prairie	○
Missouri Breaks Woodland-Scrubland	○
Judith Basin Grassland	○
Mesic Dissected Plains	○
Pryor-Bighorn Foothills	○

† Status: ✓ = Complete ○ = Needs Image … = Incomplete ∅ = Stub Only

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