| Californian Broadleaf Woodland & Savanna |
| Western Madrean Chaparral |
| Mojave-Sonoran Bajada & Valley Desert Scrub |
| Californian Xeric Chaparral |
| Californian Mesic & Pre-montane Chaparral |
| Intermountain Western Juniper Open Woodland |
| Intermountain Basins Curl-leaf Mountain-mahogany Woodland & Scrub |
| Californian Montane Conifer Forest & Woodland |
| Sierra-Cascade Cold-Dry Subalpine Woodland |
| Rocky Mountain Subalpine Dry-Mesic Spruce - Fir Forest |
| Rocky Mountain-Interior Subalpine-Montane Aspen Forest |
| Central Rocky Mountain Whitebark Pine - Subalpine Larch Forest & Woodland |
| Intermountain Shadscale - Saltbush Scrub |
| Intermountain Montane Sagebrush Steppe |
| Colorado Plateau Blackbrush - Mormon-tea Shrubland |
| Southern Rocky Mountain Mesic-Moist Mixed Conifer Forest |
| Southern Rocky Mountain Dry Mixed Conifer Forest & Woodland |
| Central Rocky Mountain Dry Mixed Conifer Forest & Woodland |
| Central Rocky Mountain Montane-Foothill Shrubland |
| Southern Rocky Mountain Mountain-mahogany - Mixed Foothill Shrubland |
| Southern Rocky Mountain Gambel Oak - Mixed Montane Shrubland |
| Southern Rocky Mountain Montane-Subalpine Grassland |
| Mojave Mid-Elevation Mixed Desert Scrub |
| Western North American Montane Chaparral |
| Intermountain Semi-Desert Steppe & Shrubland |
| Intermountain Semi-Desert Grassland |
| Rocky Mountain-North Pacific Subalpine-Montane Mesic Grassland & Meadow |
| Intermountain Basins Big Sagebrush Steppe |
| Intermountain Basins Big Sagebrush Desert Shrubland |
| Columbia Plateau Scabland Dwarf-shrubland |
| Intermountain Low & Black Sagebrush Steppe & Shrubland |
| Arid West Interior Freshwater Marsh & Wet Meadow |
| North American Desert Alkaline-Saline Wet Scrub |
| North American Desert Alkaline-Saline Marsh & Playa |
| Rocky Mountain Cliff, Scree & Rock Vegetation |
| Southern Vancouverian Cliff, Scree & Rock Vegetation |
| Rocky Mountain & Sierran Alpine Bedrock & Scree |
| Rocky Mountain-Great Basin Montane Riparian Forest |
| Great Basin-Intermountain Shrub & Herb Wash-Arroyo |
| Warm Semi-Desert Shrub & Herb Dry Wash & Colluvial Slope |
| Rocky Mountain-Great Basin Lowland-Foothill Riparian Shrubland |
| Vancouverian-Rocky Mountain Montane Wet Meadow & Marsh |
| Western Montane-Subalpine Riparian & Seep Shrubland |
| North American Warm Desert Riparian Low Bosque & Shrubland |
| Intermountain Basins Cliff, Scree & Badland Sparse Vegetation |
| Rocky Mountain-Sierran Alpine Turf & Fell-field |
| North American Warm Semi-Desert Cliff, Scree & Pavement Sparse Vegetation |
| North American Warm Semi-Desert Dune & Sand Flats |
| Sierra-Cascade Red Fir - Mountain Hemlock Forest |
| Intermountain Open Dune Scrub & Grassland |
| Great Basin Pinyon - Juniper Woodland |
| Colorado Plateau Pinyon - Juniper Woodland |
| Californian Mediterranean Riparian Forest |
| Great Basin-Colorado Plateau Semi-Desert Riparian Forest |
| Southern Rocky Mountain Ponderosa Pine Forest & Woodland |
| Intermountain Utah Juniper Open Woodland |