| Caribbean Lowland Swamp Forest |
| Caribbean Fringe Mangrove |
| South Florida Slash Pine Rockland |
| Southern Mesic Beech - Magnolia - Oak Forest |
| Dry-Mesic Loamy Longleaf Pine Woodland |
| West Gulf Coastal Plain Pine - Oak Forest & Woodland |
| Southern Appalachian Oak Forest & Woodland |
| Appalachian-Northeast Alkaline Forest & Woodland |
| Southern Appalachian-Interior Mesic Forest |
| North-Central Beech - Maple - Basswood Forest |
| Edwards Plateau Dry-Mesic Hardwood Forest |
| Bald-cypress - Tupelo Floodplain Forest |
| Oak - Sweetgum Floodplain Forest |
| Pond-cypress Basin Swamp |
| Southern Coastal Plain Mixed Evergreen Swamp |
| Coastal Plain Wet Flats & Basin Swamp |
| Mid-Atlantic & Northern Coastal Plain Swamp |
| Central Interior-Appalachian Seepage Swamp |
| Acadian-Appalachian Red Spruce Acidic Swamp |
| Laurentian-Acadian Alkaline Swamp |
| Laurentian Subboreal Mesic Balsam Fir - Spruce - Hardwood Forest |
| Great Lakes Alvar |
| Northern Atlantic Acidic Sand Barrens Scrub & Grassland |
| Northern Tallgrass Prairie |
| Great Lakes Dune |
| Tamaulipan Dry Mesquite & Thornscrub |
| Tamaulipan Dry Grassland |
| Southern Rocky Mountain Ponderosa Pine Forest & Woodland |
| Intermountain Utah Juniper Open Woodland |
| Great Basin-Colorado Plateau Semi-Desert Riparian Forest |
| Southwest Warm Desert Riparian Forest |
| Californian Mediterranean Riparian Forest |
| Eastern North American Freshwater Marsh |
| Edwards Plateau Dry Woodland |
| Caribbean Coastal Beach & Dune |
| South Florida Freshwater Marsh & Wet Prairie |
| Hardwood - Loblolly Pine Nonriverine Wet Flatwoods |
| Southern Great Plains Mixedgrass Prairie |
| Great Plains Playa & Rainwater Basin Wetland |
| Northern Great Plains Mesic Mixedgrass Prairie |
| Southern Great Plains Shortgrass Prairie |
| Northern Great Plains Mesic Forest & Woodland |
| Northeastern Great Plains Aspen Woodland |
| Great Plains Cottonwood - Willow Floodplain Forest |
| Xeric Longleaf Pine Woodland |
| Laurentian Pine Barrens |
| Coastal Plain Pitch Pine Barrens |
| Piedmont-Coastal Plain Oak Forest & Woodland |
| Southern Mesic Beech - Oak - Mixed Deciduous Forest |
| South-Central Prairie |
| Southern Coastal Plain Prairie |
| Florida Dry Prairie |
| Florida Xeric Scrub |
| Central Interior Acidic Glade & Barrens |
| Central Interior Alkaline Glade & Barrens |
| Appalachian Mafic Barrens |
| Midwest Prairie Alkaline Fen |
| Central & Southern Appalachian Seep & Seepage Bog |
| Atlantic & Gulf Coastal Plain Seep |
| South Atlantic & Gulf Coast Marsh & Wet Meadow |
| North-Central & Northeastern Seep |
| Wet-Mesic Longleaf Pine Open Woodland |
| Southern Great Plains Oak - Juniper Scrub |
| Southern Great Plains Mesquite - Mixed Scrub |
| Californian Broadleaf Woodland & Savanna |
| Californian Conifer Forest & Woodland |
| Madrean Pinyon - Juniper Woodland |
| Madrean Encinal |
| Madrean Upper Montane Conifer - Oak Forest & Woodland |
| Madrean Lower Montane Pine - Oak Forest & Woodland |
| Cascadian Oregon White Oak - Conifer Forest & Woodland |
| Californian Moist Coastal Mixed Evergreen Forest |
| Rocky Mountain Foothill-Rock Outcrop Limber Pine - Juniper Woodland |
| Central Rocky Mountain Dry Mixed Conifer Forest & Woodland |
| Central Rocky Mountain-Interior Mesic Grand Fir - Douglas-fir - Western Larch Forest |
| East Cascades Moist-Mesic Grand Fir - Douglas-fir Forest |
| Central Rocky Mountain Ponderosa Pine Forest & Woodland |
| Central Rocky Mountain Douglas-fir Mesic Forest |
| Black Hills-Northwestern Great Plains Ponderosa Pine Forest & Woodland |
| Rocky Mountain Subalpine Moist-Mesic Spruce - Fir Forest |
| Rocky Mountain Subalpine Dry-Mesic Spruce - Fir Forest |
| Rocky Mountain Lodgepole Pine Forest & Woodland |
| Rocky Mountain-Interior Subalpine-Montane Aspen Forest |
| Central Rocky Mountain Whitebark Pine - Subalpine Larch Forest & Woodland |
| Southern Rocky Mountain Mesic-Moist Mixed Conifer Forest |
| Southern Rocky Mountain Dry Mixed Conifer Forest & Woodland |
| Californian Coastal Redwood Forest |
| North Pacific Red Alder - Bigleaf Maple - Douglas-fir Rainforest |
| North Pacific Maritime Douglas-fir - Western Hemlock Rainforest |
| North-Central Pacific Maritime Silver Fir - Western Hemlock Rainforest |
| Sierra-Cascade Cold-Dry Subalpine Woodland |
| Intermountain Western Juniper Open Woodland |
| Intermountain Basins Curl-leaf Mountain-mahogany Woodland & Scrub |
| Southern Rocky Mountain Juniper Open Woodland |
| Southern Rocky Mountain Pinyon - Juniper Woodland |
| Californian Xeric Chaparral |
| Californian Maritime Chaparral |
| Californian Mesic & Pre-montane Chaparral |
| Central & Southern Californian Coastal Sage Scrub |
| Central Rocky Mountain-Interior Montane Grassland & Meadow |
| Southern Rocky Mountain Montane-Subalpine Grassland |
| Rocky Mountain-North Pacific Subalpine-Montane Mesic Grassland & Meadow |
| Central Rocky Mountain Montane-Foothill Shrubland |
| Central Rocky Mountain Lower Montane, Foothill & Valley Grassland |
| Southern Rocky Mountain Mountain-mahogany - Mixed Foothill Shrubland |
| Southern Rocky Mountain Gambel Oak - Mixed Montane Shrubland |
| Eastern Madrean Chaparral |
| Western Madrean Chaparral |
| Western North American Montane Chaparral |
| Chihuahuan Desert Succulent Scrub |
| Chihuahuan Desert Sand Scrub |
| Chihuahuan Piedmont & Foothill Desert Scrub |
| Sonoran Sarcocaulescent Desert Scrub |
| Sonoran Paloverde - Mixed Cacti Desert Scrub |
| Mojave-Sonoran Bajada & Valley Desert Scrub |
| Mojave Mid-Elevation Mixed Desert Scrub |
| Chihuahuan Desert Lowland Basin Scrub |
| Intermountain Shadscale - Saltbush Scrub |
| Intermountain Dwarf Saltbush - Sagebrush Scrub |
| Intermountain Basins Big Sagebrush Steppe |
| Intermountain Basins Big Sagebrush Desert Shrubland |
| Intermountain Montane Sagebrush Steppe |
| Central Rocky Mountain-North Pacific High Montane Mesic Shrubland |
| Columbia Plateau Scabland Dwarf-shrubland |
| Intermountain Low & Black Sagebrush Steppe & Shrubland |
| Intermountain Semi-Desert Steppe & Shrubland |
| Intermountain Semi-Desert Grassland |
| Colorado Plateau Blackbrush - Mormon-tea Shrubland |
| Rocky Mountain-Sierran Alpine Turf & Fell-field |
| Rocky Mountain-Sierran Alpine Dwarf-shrubland & Krummholz |
| North Vancouverian Montane Bedrock, Cliff & Talus Vegetation |
| North Pacific Alpine-Subalpine Bedrock & Scree |
| Vancouverian Wet Shrubland |
| Great Plains Freshwater Marsh |
| Northwestern Great Plains Aspen Woodland |
| Great Plains Bur Oak Forest & Woodland |
| Northern Great Plains Dry Mixedgrass Prairie |
| Northern Great Plains Rough Fescue Prairie |
| Central Tallgrass Prairie |
| Southern Tallgrass Prairie |
| Northeastern Erosional Bluff Vegetation |
| Eastern North American Inland Strand & Rocky Shore |
| Californian Montane Conifer Forest & Woodland |
| Central Rocky Mountain Montane White Spruce Forest |
| Caribbean Coastal Rocky Shore & Cliff |
| Madrean Juniper Open Woodland |
| Southern Vancouverian Bald, Bluff & Prairie |
| Chihuahuan Semi-Desert Lowland Grassland |
| Chihuahuan Desert Foothill-Piedmont & Lower Montane Grassland |
| Chihuahuan Sandy Plains Semi-Desert Grassland |
| Chihuahuan Gypsophilous Grassland |
| North Atlantic Coastal Dune & Grassland |
| South Atlantic & Gulf Coastal Dune Grassland & Strand |
| Californian Perennial Grassland |
| North Pacific Maritime Dune & Coastal Beach |
| Temperate Pacific Salt Marsh |
| Rocky Mountain-Great Basin Swamp Forest |
| Rocky Mountain-Great Basin Montane Riparian Forest |
| North-Central Pacific Montane Riparian & Seepage Swamp Forest |
| Vancouverian Freshwater Wet Meadow & Marsh |
| Vancouverian-Rocky Mountain Subalpine-Alpine Snowbed, Wet Meadow & Dwarf-shrubland |
| Vancouverian-Rocky Mountain Montane Wet Meadow & Marsh |
| Rocky Mountain-Great Basin Lowland-Foothill Riparian Shrubland |
| Western Montane-Subalpine Riparian & Seep Shrubland |
| Arid West Interior Freshwater Marsh & Wet Meadow |
| North American Warm Desert Riparian Low Bosque & Shrubland |
| North American Desert Alkaline-Saline Wet Scrub |
| North American Desert Alkaline-Saline Marsh & Playa |
| Warm Semi-Desert Shrub & Herb Dry Wash & Colluvial Slope |
| Tamaulipan Flooded Forest |
| Great Basin-Intermountain Shrub & Herb Wash-Arroyo |
| Californian Cliff, Scree & Rock Vegetation |
| Rocky Mountain Cliff, Scree & Rock Vegetation |
| Great Plains Badlands Vegetation |
| Great Plains Cliff, Scree & Rock Vegetation |
| North American Warm Semi-Desert Cliff, Scree & Pavement Sparse Vegetation |
| Intermountain Basins Cliff, Scree & Badland Sparse Vegetation |
| Rocky Mountain & Sierran Alpine Bedrock & Scree |
| Southern Vancouverian Cliff, Scree & Rock Vegetation |
| North Atlantic Coastal Rocky Headland |
| Southeastern Coastal Plain Barrens & Glade |
| Mesic Longleaf Pine Flatwoods - Spodosol Woodland |
| Central & Southern Appalachian Red Spruce - Fir - Hardwood Forest |
| Central Boreal Mesic-Moist Black Spruce - Jack Pine Forest |
| Central Appalachian-Northeast Oak Forest & Woodland |
| Midwest Floodplain Forest |
| Laurentian-Acadian Floodplain Forest |
| South-Central Flatwoods & Pond Forest |
| Laurentian-Great Lakes Limestone Woodland |
| North Atlantic Coastal Beach |
| South Atlantic & Gulf Coastal Beach |
| Californian North Coastal & Mesic Scrub |
| Californian Coastal Beach, Dune & Sandy Bluff |
| Warm Pacific Coastal Beach, Dune & Sandy Bluff |
| Piedmont-Blue Ridge Dome & Flatrock |
| Central Interior-Northeast Floodplain Forest |
| North American Warm Semi-Desert Dune & Sand Flats |
| Southern Great Plains Ruderal Grassland & Shrubland |
| Laurentian-Acadian Alkaline Rock Barren & Scrub |
| Central Appalachian-Northeast Mesic Forest |
| Acadian-Appalachian Red Spruce - Fir - Hardwood Forest |
| Sierra-Cascade Red Fir - Mountain Hemlock Forest |
| North-Central Pacific Western Hemlock - Sitka Spruce Rainforest |
| Central Interior-Appalachian Riverscour Barrens & Prairie |
| Caribbean Rockland Hammock |
| Manitoba Alvar |
| Midwest Wet Prairie, Wet Meadow & Shrub Swamp |
| Intermountain Open Dune Scrub & Grassland |
| Atlantic & Gulf Coastal Interdunal Swale |
| Southeastern Great Plains Floodplain Forest |
| Laurentian-Acadian Acidic Scrub & Grassland |
| Southern Evergreen Oak Forest |
| Ozark-Ouachita Mesic Forest |
| Great Lakes Coastal Rocky Shore |
| Coastal Live Oak - Hickory - Palmetto Forest |
| Texas Live Oak - Wax Mallow Motte & Coastal Forest |
| Southern Vancouverian Dry Douglas-fir - Madrone Woodland |
| Eastern North American Boreal-Subboreal Alkaline Fen |
| Central Appalachian-Northeast Alkaline Fen |
| Cordilleran Boreal Moist White Spruce - Aspen Forest |
| Laurentian-Acadian-Great Lakes Cliff & Rock Vegetation |
| Central Midwest-Interior Cliff & Rock Vegetation |
| Southeast Coastal Plain Cliff & Rock Vegetation |
| North-Central Pacific Mountain Hemlock - Silver Fir Woodland |
| North-Central Pacific Lowland Riparian Forest |
| North-Central Pacific Maritime Lowland Swamp Forest |
| Cross Timbers Woodland |
| Southern Great Plains Sand Prairie |
| Northern Great Plains Sand Prairie |
| North Atlantic Maritime Forest & Scrub |
| North Atlantic Coastal Forest |
| Southern Coastal Dry Oak Forest |
| Great Basin Pinyon - Juniper Woodland |
| Colorado Plateau Pinyon - Juniper Woodland |
| Central Appalachian-Northeast Acidic Swamp |
| Appalachian-Northeast Wet Meadow & Shrub Swamp |
| Laurentian-Acadian Wet Meadow & Shrub Swamp |
| Southern Appalachian Virginia Pine - Table Mountain Pine Woodland |
| Central Appalachian-Northeast Pine - Oak Rocky Woodland |
| Laurentian Pine - Oak Forest & Woodland |
| Acadian-Appalachian Rocky Ridge Woodland |
| Northern Appalachian Alpine Tundra |
| South Atlantic & Gulf Coastal Tidal Freshwater Marsh |
| North Atlantic Coastal Tidal Freshwater Marsh |
| South Atlantic & Gulf Coastal Plain Pondshore |
| North Atlantic Coastal Plain Pondshore |
| Central Interior-Great Lakes Flatwoods & Swamp Forest |
| Central Appalachian-Northeast Alkaline Swamp |
| Laurentian Hemlock - White Pine - Hardwood Forest |
| Upper East Gulf Coastal Plain Oak Forest & Woodland |
| Southern Appalachian Cliff & Rock Vegetation |
| Central Appalachian-Northeast Cliff & Rock Vegetation |
| South Atlantic-North Gulf Coast Mangrove |
| Caribbean Coastal & Estuarine Mangrove |
| Great Plains Wet Meadow, Shrub Swamp & Seepage Fen |
| Piedmont-Cumberland Acidic Glade and Barrens |
| Eastern North American Riverine Sand-Gravel Bar |
| Lower Mississippi River Alluvial Plain Floodplain Forest |
| Texas Blackland Prairie |
| West Gulf Coastal Plain Prairie |
| South Atlantic & Gulf Coast Salt Marsh |
| North Atlantic Salt Marsh |
| Great Plains Saline Wet Meadow & Marsh |
| Texas Post Oak Savanna & Woodland |
| Interior Low Plateau Oak Forest |
| Ozark-Ouachita Oak Forest |
| Ozark-Ouachita Oak - Shortleaf Pine Woodland & Savanna |
| Midwest Oak - Hickory Forest |
| Midwest Woodland & Savanna |
| Laurentian Subboreal Dry Pine - Black Spruce Woodland |
| North Atlantic Coastal Bog & Fen |
| Eastern North American Boreal-Subboreal Bog & Acidic Fen |