| 10a Channeled Scablands |
| 10b Loess Islands |
| 10c Umatilla Plateau |
| 10d Okanogan Drift Hills |
| 10e Pleistocene Lake Basins |
| 10f Dissected Loess Uplands |
| 10g Yakima Folds |
| 10h Palouse Hills |
| 10i Deep Loess Foothills |
| 10j Nez Perce Prairie |
| 10k Deschutes/John Day Canyons |
| 10l Lower Snake and Clearwater Canyons |
| 10m Okanogan Valley |
| 10n Umatilla Dissected Uplands |
| 11a John Day/Clarno Uplands |
| 11b John Day/Clarno Highlands |
| 11c Maritime-Influenced Zone |
| 11d Melange |
| 11e Wallowas/Seven Devils Mountains |
| 11f Canyons and Dissected Highlands |
| 11g Canyons and Dissected Uplands |
| 11h Continental Zone Highlands |
| 11i Continental Zone Foothills |
| 11k Blue Mountain Basins |
| 11l Mesic Forest Zone |
| 11m Subalpine-Alpine Zone |
| 11n Deschutes River Valley |
| 11o Cold Basins |
| 12a Treasure Valley |
| 12b Lava Fields |
| 12c Camas Prairie |
| 12d Dissected Plateaus and Teton Basin |
| 12e Upper Snake River Plain |
| 12f Semiarid Foothills |
| 12g Eastern Snake River Basalt Plains |
| 12h Mountain Home Uplands |
| 12i Magic Valley |
| 12j Unwooded Alkaline Foothills |
| 13a Salt Deserts |
| 13aa Sierra Nevada-Influenced Semiarid Hills and Basins |
| 13ab Sierra Valley |
| 13ac Upper Owens Valley |
| 13ad Mono-Adobe Valleys |
| 13ae Bishop Volcanic Tableland |
| 13b Shadscale-Dominated Saline Basins |
| 13c Sagebrush Basins and Slopes |
| 13d Woodland- and Shrub-Covered Low Mountains |
| 13e High Elevation Carbonate Mountains |
| 13f Moist Wasatch Front Footslopes |
| 13g Wetlands |
| 13h Lahontan and Tonopah Playas |
| 13i Malad and Cache Valleys |
| 13j Lahontan Salt Shrub Basin |
| 13k Lahontan Sagebrush Slopes |
| 13l Lahontan Uplands |
| 13m Upper Humboldt Plains |
| 13n Mid-Elevation Ruby Mountains |
| 13o High Elevation Ruby Mountains |
| 13p Carbonate Sagebrush Valleys |
| 13q Carbonate Woodland Zone |
| 13r Central Nevada High Valleys |
| 13s Central Nevada Mid-Slope Woodland and Brushland |
| 13t Central Nevada Bald Mountains |
| 13u Tonopah Basin |
| 13v Tonopah Sagebrush Foothills |
| 13w Tonopah Uplands |
| 13x Sierra Nevada-Influenced Ranges |
| 13y Sierra Nevada-Influenced High Elevation Mountains |
| 13z Upper Lahontan Basin |
| 14a Eastern Mojave Basins |
| 14b Eastern Mojave Low Ranges and Arid Footslopes |
| 14c Eastern Mojave Mountain Woodland and Shrubland |
| 14d Eastern Mojave High Elevation Mountains |
| 14e Arid Valleys and Canyonlands |
| 14f Mojave Playas |
| 14g Amargosa Desert |
| 14h Death Valley/Mojave Central Trough |
| 14i Mesquite Flat/Badwater Basin |
| 14j Western Mojave Basins |
| 14k Western Mojave Low Ranges and Arid Footslopes |
| 14l Western Mojave Mountain Woodland and Shrubland |
| 14m Western Mojave High Elevation Mountains |
| 14n Mojave Lava Fields |
| 14o Mojave Sand Dunes |
| 14p Lower Grand Canyon |
| 15a Grave Creek Range-Nine Mile Divide |
| 15b Camas Valley |
| 15c Flathead Valley |
| 15d Tobacco Plains |
| 15e Flathead Hills and Mountains |
| 15f Grassy Potlatch Ridges |
| 15g Western Okanogan Semiarid Foothills |
| 15h High Northern Rockies |
| 15i Clearwater Mountains and Breaks |
| 15j Lower Clearwater Canyons |
| 15k Clark Fork Valley and Mountains |
| 15l Salish Mountains |
| 15m Kootenai Valley |
| 15n Weippe Prairie |
| 15o Coeur d Alene Metasedimentary Zone |
| 15p St. Joe Schist-Gneiss Zone |
| 15q Purcell-Cabinet-North Bitterroot Mountains |
| 15r Okanogan-Colville Xeric Valleys and Foothills |
| 15s Spokane Valley Outwash Plains |
| 15t Stillwater-Swan Wooded Valley |
| 15u Inland Maritime Foothills and Valleys |
| 15v Northern Idaho Hills and Low Relief Mountains |
| 15w Western Selkirk Maritime Forest |
| 15x Okanogan Highland Dry Forest |
| 15y Selkirk Mountains |
| 16a Eastern Batholith |
| 16b Lochsa Uplands |
| 16c Lochsa-Selway-Clearwater Canyons |
| 16d Dry Partly Wooded Mountains |
| 16e Glaciated Bitterroot Mountains and Canyons |
| 16f Foothill Shrublands-Grasslands |
| 16g High Glacial Drift-Filled Valleys |
| 16h High Idaho Batholith |
| 16i South Clearwater Forested Mountains |
| 16j Hot Dry Canyons |
| 16k Southern Forested Mountains |
| 17a Black Hills Foothills |
| 17aa Dry Intermontane Sagebrush Valleys |
| 17ab Dry Gneissic-Schistose-Volcanic Hills |
| 17ac Big Hole |
| 17ad Western Beaverhead Mountains |
| 17ae Forested Beaverhead Mountains |
| 17af Centennial Basin |
| 17ag Pioneer-Anaconda Ranges |
| 17ah Eastern Pioneer Sedimentary Mountains |
| 17ai Elkhorn Mountains-Boulder Batholith |
| 17aj Eastern Divide Mountains |
| 17ak Deer Lodge-Philipsburg-Avon Grassy Intermontane Hills and Valleys |
| 17al Southern Garnet Sedimentary-Volcanic Mountains |
| 17am Flint Creek-Anaconda Mountains |
| 17ao Absaroka Volcanic Subalpine Zone |
| 17ap Sedimentary Subalpine Zone |
| 17b Black Hills Plateau |
| 17c Black Hills Core Highlands |
| 17d Eastern Gravelly Mountains |
| 17e Barren Mountains |
| 17f Crazy Mountains |
| 17g Mid-elevation Sedimentary Mountains |
| 17h Alpine Zone |
| 17i Absaroka-Gallatin Volcanic Mountains |
| 17j Yellowstone Plateau |
| 17k Granitic Subalpine Zone |
| 17l Gneissic-Schistose Forested Mountains |
| 17m Dry Mid-elevation Sedimentary Mountains |
| 17n High Elevation Valleys |
| 17o Partly Forested Mountains |
| 17p Foothill Potholes |
| 17q Big Snowy-Little Belt Carbonate Mountains |
| 17r Scattered Eastern Igneous-Core Mountains |
| 17s Bitterroot-Frenchtown Valley |
| 17t Limy Foothill Savanna |
| 17u Paradise Valley |
| 17v Big Belt Forested Highlands |
| 17w Townsend Basin |
| 17x Rattlesnake-Blackfoot-South Swan-Northern Garnet-Sapphire Mountains |
| 17y Townsend-Horseshoe-London Sedimentary Hills |
| 17z Tobacco Root Mountains |
| 18a Rolling Sagebrush Steppe |
| 18b Bighorn Basin |
| 18c Sub-Irrigated High Valleys |
| 18d Foothill Shrublands and Low Mountains |
| 18e Salt Desert Shrub Basins |
| 18f Laramie Basin |
| 18g Bighorn Salt Desert Shrub Basins |
| 19a Alpine Zone |
| 19b Uinta Subalpine Forests |
| 19c Mid-Elevation Uinta Mountains |
| 19d Wasatch Montane Zone |
| 19e High Plateaus |
| 19f Semiarid Foothills |
| 19g Mountain Valleys |
| 1a Coastal Lowlands |
| 1b Coastal Uplands |
| 1c Low Olympics |
| 1d Volcanics |
| 1e Outwash |
| 1f Willapa Hills |
| 1g Mid-Coastal Sedimentary |
| 1h Southern Oregon Coastal Mountains |
| 1i Northern Franciscan Redwood Forest |
| 1j King Range/Mattole Basin |
| 1k Coastal Franciscan Redwood Forest |
| 1l Fort Bragg/Fort Ross Terraces |
| 1m Point Reyes/Farallon Islands |
| 1n Santa Cruz Mountains |
| 1o San Mateo Coastal Hills |
| 20a Monticello-Cortez Uplands |
| 20b Shale Deserts and Sedimentary Basins |
| 20c Semiarid Benchlands and Canyonlands |
| 20d Arid Canyonlands |
| 20e Escarpments |
| 20f Uinta Basin Floor |
| 20g Northern Uinta Basin Slopes |
| 20h Sand Deserts |
| 20i Cold Desert Sagebrush-Grasslands |
| 21a Alpine Zone |
| 21b Crystalline Subalpine Forests |
| 21c Crystalline Mid-Elevation Forests |
| 21d Foothill Shrublands |
| 21e Sedimentary Subalpine Forests |
| 21f Sedimentary Mid-Elevation Forests |
| 21g Volcanic Subalpine Forests |
| 21h Volcanic Mid-Elevation Forests |
| 21i Sagebrush Parks |
| 21j Grassland Parks |
| 22a San Luis Shrublands and Hills |
| 22aa Hualapai/Coconino Woodlands |
| 22b San Luis Alluvial Flats and Wetlands |
| 22c Salt Flats |
| 22d Virgin/Shivwits Woodland |
| 22e Sand Dunes and Sand Sheets |
| 22f Taos Plateau |
| 22g Rio Grande Floodplain |
| 22h North Central New Mexico Valleys and Mesas |
| 22i San Juan/Chaco Tablelands and Mesas |
| 22j Semiarid Tablelands |
| 22k Lava Malpais |
| 22l Plains of San Agustin |
| 22m Albuquerque Basin |
| 22n Near-Rockies Valleys and Mesas |
| 22o Northeast Arizona Shrub-Grasslands |
| 22p Little Colorado Valley/Painted Desert |
| 22q Dinetah Tablelands |
| 22r Mesa Highlands |
| 22s Hopi Buttes |
| 22t Chinle Valley and Mesas |
| 22u Kaibito/Moenkopi Sandy Plateaus |
| 22v Marble Platform |
| 22w Grand Canyon |
| 22x Arizona Strip Plateaus |
| 22y Uinkaret/Aubrey Montane Conifer Forest |
| 22z Chino/Coconino Grasslands and Shrubsteppe |
| 23a Chihuahuan Desert Slopes |
| 23b Madrean Lower Montane Woodlands |
| 23c Montane Conifer Forests |
| 23d Arizona/New Mexico Subalpine Forests |
| 23e Conifer Woodlands and Savannas |
| 23f Rocky Mountain Conifer Forests |
| 23g Rocky Mountain Subalpine Forests |
| 23h Lower Mogollon Transition |
| 23i Montane and Subalpine Grasslands |
| 23j Northern Woodlands and Sagebrush |
| 23k Sunset Crater Volcanics |
| 23l Mogollon Transition Conifer Forests |
| 24a Chihuahuan Basins and Playas |
| 24b Chihuahuan Desert Grasslands |
| 24c Low Mountains and Bajadas |
| 24d Chihuahuan Montane Woodlands |
| 24e Stockton Plateau |
| 24f Rio Grande Floodplain |
| 24g Gypsiferous Dunes |
| 24h Lava Malpais |
| 25a Pine Ridge Escarpment |
| 25b Rolling Sand Plains |
| 25c Moderate Relief Plains |
| 25d Flat to Rolling Plains |
| 25e Canadian/Cimarron High Plains |
| 25f Pine Bluffs and Hills |
| 25g Sandy and Silty Tablelands |
| 25h Platte River Valley and Terraces |
| 25i Llano Estacado |
| 25j Shinnery Sands |
| 25k Arid Llano Estacado |
| 25l Front Range Fans |
| 26a Canadian/Cimarron Breaks |
| 26b Flat Tablelands and Valleys |
| 26c Caprock Canyons, Badlands, and Breaks |
| 26d Semiarid Canadian Breaks |
| 26e Piedmont Plains and Tablelands |
| 26f Mesa de Maya/Black Mesa |
| 26g Purgatoire Hills and Canyons |
| 26h Pinyon-Juniper Woodlands and Savannas |
| 26i Pine-Oak Woodlands |
| 26j Foothill Grasslands |
| 26k Sandsheets |
| 26l Upper Canadian Plateau |
| 26m Canadian Canyons |
| 26n Conchas/Pecos Plains |
| 26o Central New Mexico Plains |
| 26p Pluvial Lake Basins |
| 26q Southern New Mexico Dissected Plains |
| 27a Smoky Hills |
| 27b Rolling Plains and Breaks |
| 27c Great Bend Sand Prairie |
| 27d Prairie Tableland |
| 27e Central Nebraska Loess Plains |
| 27f Rainwater Basin Plains |
| 27g Platte River Valley |
| 27h Red Prairie |
| 27i Broken Red Plains |
| 27j Limestone Plains |
| 27k Wichita Mountains |
| 27l Pleistocene Sand Dunes |
| 27m Red River Tablelands |
| 27n Gypsum Hills |
| 27o Cross Timbers Transition |
| 27p Salt Plains |
| 27q Rolling Red Hills |
| 27r Limestone Hills |
| 28a Flint Hills |
| 29a Northern Cross Timbers |
| 29b Eastern Cross Timbers |
| 29c Western Cross Timbers |
| 29d Grand Prairie |
| 29e Limestone Cut Plain |
| 29f Carbonate Cross Timbers |
| 29g Arbuckle Uplift |
| 29h Northwestern Cross Timbers |
| 29i Arbuckle Mountains |
| 2a Fraser Lowland |
| 2b Eastern Puget Riverine Lowlands |
| 2c San Juan Islands |
| 2d Olympic Rainshadow |
| 2e Eastern Puget Uplands |
| 2f Central Puget Lowland |
| 2g Southern Puget Prairies |
| 2h Cowlitz/Chehalis Foothills |
| 2i Cowlitz/Newaukum Prairie Floodplains |
| 30a Edwards Plateau Woodland |
| 30b Llano Uplift |
| 30c Balcones Canyonlands |
| 30d Semiarid Edwards Plateau |
| 31a Northern Nueces Alluvial Plains |
| 31b Semiarid Edwards Bajada |
| 31c Texas-Tamaulipan Thornscrub |
| 31d Rio Grande Floodplain and Terraces |
| 32a Northern Blackland Prairie |
| 32b Southern Blackland/Fayette Prairie |
| 32c Floodplains and Low Terraces |
| 33a Northern Post Oak Savanna |
| 33b Southern Post Oak Savanna |
| 33c San Antonio Prairie |
| 33d Northern Prairie Outliers |
| 33e Bastrop Lost Pines |
| 33f Floodplains and Low Terraces |
| 34a Northern Humid Gulf Coastal Prairies |
| 34b Southern Subhumid Gulf Coastal Prairies |
| 34c Floodplains and Low Terraces |
| 34d Coastal Sand Plain |
| 34e Lower Rio Grande Valley |
| 34f Lower Rio Grande Alluvial Floodplain |
| 34g Texas-Louisiana Coastal Marshes |
| 34h Mid-Coast Barrier Islands and Coastal Marshes |
| 34i Laguna Madre Barrier Islands and Coastal Marshes |
| 34j Lafayette Loess Plains |
| 35a Tertiary Uplands |
| 35b Floodplains and Low Terraces |
| 35c Pleistocene Fluvial Terraces |
| 35d Cretaceous Dissected Uplands |
| 35e Southern Tertiary Uplands |
| 35f Flatwoods |
| 35g Red River Bottomlands |
| 35h Blackland Prairie |
| 36a Athens Plateau |
| 36b Central Mountain Ranges |
| 36c Central Hills, Ridges, and Valleys |
| 36d Fourche Mountains |
| 36e Western Ouachitas |
| 36f Western Ouachita Valleys |
| 37a Scattered High Ridges and Mountains |
| 37b Arkansas River Floodplain |
| 37c Arkansas Valley Hills |
| 37d Arkansas Valley Plains |
| 37e Lower Canadian Hills |
| 38a Upper Boston Mountains |
| 38b Lower Boston Mountains |
| 39a Springfield Plateau |
| 39b Dissected Springfield Plateau-Elk River Hills |
| 39c White River Hills |
| 39d Central Plateau |
| 39e Osage/Gasconade Hills |
| 39f St. Francois Knobs and Basins |
| 39g Meramec River Hills |
| 39h Current River Hills |
| 39i Eastern Ozark Border |
| 39j Black River Hills Border |
| 39k Prairie Ozark Border |
| 3a Portland/Vancouver Basin |
| 3b Willamette River and Tributaries Gallery Forest |
| 3c Prairie Terraces |
| 3d Valley Foothills |
| 40a Loess Flats and Till Plains |
| 40b Osage Cuestas |
| 40c Wooded Osage Plains |
| 40d Cherokee Plains |
| 40e Claypan Prairie |
| 41a Northern Front |
| 41b Crestal Alpine-Subalpine Zone |
| 41c Western Canadian Rockies |
| 41d Southern Carbonate Front |
| 41e Flathead Thrust Faulted Carbonate-Rich Mountains |
| 42a Missouri Coteau |
| 42b Collapsed Glacial Outwash |
| 42c Missouri Coteau Slope |
| 42d Northern Missouri Coteau |
| 42e Southern Missouri Coteau |
| 42f Southern Missouri Coteau Slope |
| 42g Ponca Plains |
| 42h Southern River Breaks |
| 42i Glaciated Dark Brown Prairie |
| 42j Glaciated Northern Grasslands |
| 42k Coteau Lakes Upland |
| 42l Sweetgrass Uplands |
| 42m Cherry Patch Moraines |
| 42n Milk River Pothole Upland |
| 42o North Central Brown Glaciated Plains |
| 42p Holt Tablelands |
| 42q Rocky Mountain Front Foothill Potholes |
| 42r Foothill Grassland |
| 43a Missouri Plateau |
| 43b Little Missouri Badlands |
| 43c River Breaks |
| 43d Forested Buttes |
| 43e Sagebrush Steppe |
| 43f Subhumid Pierre Shale Plains |
| 43g Semiarid Pierre Shale Plains |
| 43h White River Badlands |
| 43i Keya Paha Tablelands |
| 43j Moreau Prairie |
| 43k Dense Clay Prairie |
| 43l Missouri Breaks Woodland-Scrubland |
| 43m Judith Basin Grassland |
| 43n Montana Central Grasslands |
| 43o Unglaciated Montana High Plains |
| 43p Pine Scoria Hills |
| 43q Mesic Dissected Plains |
| 43r Niobrara River Breaks |
| 43s Non-calcareous Foothill Grassland |
| 43t Shield-Smith Valleys |
| 43u Limy Foothill Grassland |
| 43v Pryor-Bighorn Foothills |
| 43w Powder River Basin |
| 43x Casper Arch |
| 44a Sand Hills |
| 44b Alkaline Lakes Area |
| 44c Wet Meadow and Marsh Plain |
| 44d Lakes Area |
| 45a Southern Inner Piedmont |
| 45b Southern Outer Piedmont |
| 45c Carolina Slate Belt |
| 45d Talladega Upland |
| 45e Northern Inner Piedmont |
| 45f Northern Outer Piedmont |
| 45g Triassic Basins |
| 45h Pine Mountain Ridges |
| 45i Kings Mountain |
| 46a Pembina Escarpment |
| 46b Turtle Mountains |
| 46c Glacial Lake Basins |
| 46d Glacial Lake Deltas |
| 46e Tewaukon/Big Stone Stagnation Moraine |
| 46f End Moraine Complex |
| 46g Northern Black Prairie |
| 46h Northern Dark Brown Prairie |
| 46i Drift Plains |
| 46j Glacial Outwash |
| 46k Prairie Coteau |
| 46l Prairie Coteau Escarpment |
| 46m Big Sioux Basin |
| 46n James River Lowland |
| 46o Minnesota River Prairie |
| 47a Loess Prairies |
| 47b Des Moines Lobe |
| 47c Eastern Iowa and Minnesota Drift Plains |
| 47d Missouri Alluvial Plain |
| 47e Steeply Rolling Loess Prairies |
| 47f Rolling Loess Prairies |
| 47g Lower St. Croix and Vermillion Valleys |
| 47h Nebraska/Kansas Loess Hills |
| 47i Loess and Glacial Drift Hills |
| 47j Lower Platte Alluvial Plain |
| 47k Northeastern Nebraska Loess Hills |
| 47l Transitional Sandy Plain |
| 47m Western Loess Hills |
| 48a Glacial Lake Agassiz Basin |
| 48b Beach Ridges and Sand Deltas |
| 48c Saline Area |
| 48d Lake Agassiz Plains |
| 49a Peatlands |
| 49b Forested Lake Plains |
| 4a Western Cascades Lowlands and Valleys |
| 4b Western Cascades Montane Highlands |
| 4c Cascade Crest Montane Forest |
| 4d Cascade Subalpine/Alpine |
| 4e High Southern Cascades Montane Forest |
| 4f Low Southern Cascades Mixed Conifer Forest |
| 4g California Cascades Eastside Conifer Forest |
| 4h Southern Cascades Foothills |
| 50a Lake Superior Clay Plain |
| 50aa Menominee-Drummond Lakeshore |
| 50ab Cheboygan Lake Plain |
| 50ac Onaway Moraines |
| 50ad Vanderbilt Moraines |
| 50ae Mio Plateau |
| 50af Cadillac Hummocky Moraines |
| 50ag Newaygo Barrens |
| 50ah Tawas Lake Plain |
| 50b Minnesota/Wisconsin Upland Till Plain |
| 50c St. Croix Pine Barrens |
| 50d Superior Mineral Ranges |
| 50e Chequamegon Moraines and Outwash Plain |
| 50f Blue Hills |
| 50g Chippewa Lobe Rocky Ground Moraines |
| 50h Perkinstown End Moraines |
| 50i Northern Wisconsin Highlands Lakes Country |
| 50j Brule and Paint River Drumlins |
| 50k Wisconsin/Michigan Pine Barrens |
| 50l Menominee Drumlins and Ground Moraine |
| 50m Mesabi Range |
| 50n Boundary Lakes and Hills |
| 50o Glacial Lakes Upham and Aitken |
| 50p Toimi Drumlins |
| 50q Itasca and St. Louis Moraines |
| 50r Chippewa Plains |
| 50s Nashwauk/Marcell Moraines and Uplands |
| 50t North Shore Highlands |
| 50u Keweenaw-Baraga Moraines |
| 50v Winegar Dead Ice Moraine |
| 50w Michigamme Highland |
| 50x Grand Marais Lakeshore |
| 50y Seney-Tahquamenon Sand Plain |
| 50z Rudyard Clay Plain |
| 51a St. Croix Stagnation Moraines |
| 51b Central Wisconsin Undulating Till Plain |
| 51c Glacial Lake Wisconsin Sand Plain |
| 51d Central Sand Ridges |
| 51e Upper Wolf River Stagnation Moraine |
| 51f Green Bay Till and Lacustrine Plain |
| 51g Door Peninsula |
| 51h Anoka Sand Plain and Mississippi Valley Outwash |
| 51i Big Woods |
| 51j Alexandria Moraines and Detroit Lakes Outwash Plain |
| 51k McGrath Till Plain and Drumlins |
| 51l Wadena/Todd Drumlins and Osakis Till Plain |
| 51m Manistee-Leelanau Shore |
| 51n Platte River Outwash |
| 52a Savanna Section |
| 52b Blufflands and Coulees |
| 52c Rochester/Paleozoic Plateau Upland |
| 53a Rock River Drift Plain |
| 53b Kettle Moraines |
| 53c Southeastern Wisconsin Savannah and Till Plain |
| 53d Lake Michigan Lacustrine Clay Plain |
| 54a Illinois/Indiana Prairies |
| 54b Chicago Lake Plain |
| 54c Kankakee Marsh |
| 54d Sand Area |
| 54e Chiwaukee Prairie Region |
| 54f Valparaiso-Wheaton Morainal Complex |
| 54g Rock River Hills |
| 55a Clayey High Lime Till Plains |
| 55b Loamy High Lime Till Plains |
| 55c Mad River Interlobate Area |
| 55d Pre-Wisconsinan Drift Plains |
| 55e Darby Plains |
| 55f Whitewater Interlobate Area |
| 56a Northern Indiana Lake Country |
| 56b Battle Creek/Elkhart Outwash Plain |
| 56c Middle Tippecanoe Plains |
| 56d Michigan Lake Plain |
| 56f Lake Michigan Moraines |
| 56g Lansing Loamy Plain |
| 56h Interlobate Dead Ice Moraines |
| 57a Maumee Lake Plain |
| 57b Oak Openings |
| 57c Paulding Plains |
| 57d Marblehead Drift/Limestone Plain |
| 57e Saginaw Lake Plain |
| 58a Taconic Mountains |
| 58aa Acid Sensitive Adirondacks |
| 58ab Northern and Western Adirondack Foothills |
| 58ac Eastern Adirondack Foothills |
| 58ad Central Adirondacks |
| 58ae Tug Hill Plateau |
| 58af Tug Hill Transition |
| 58ag Rensselaer Plateau |
| 58b Western New England Marble Valleys |
| 58c Green Mountains/Berkshire Highlands |
| 58d Lower Berkshire Hills |
| 58e Berkshire Transition |
| 58f Vermont Piedmont |
| 58g Worchester/Monadnock Plateau |
| 58h Reading Prong |
| 58i Glaciated Reading Prong/Hudson Highlands |
| 58j Upper Montane/Alpine Zone |
| 58k Green Mountain Foothills |
| 58l Northern Piedmont |
| 58m Quebec/New England Boundary Mountains |
| 58n White Mountain Foothills |
| 58o Northern Connecticut Valley |
| 58p White Mountains/Blue Mountains |
| 58q Sunapee Uplands |
| 58r Sebago-Ossipee Hills and Plains |
| 58s Western Maine Foothills |
| 58t Upper St. John Wet Flats |
| 58u Moosehead-Churchill Lakes |
| 58v St. John Uplands |
| 58w International Boundary Plateau |
| 58x Taconic Foothills |
| 58y Catskill High Peaks |
| 58z Adirondack High Peaks |
| 59a Connecticut Valley |
| 59b Lower Worcester Plateau/Eastern Connecticut Upland |
| 59c Southern New England Coastal Plains and Hills |
| 59d Boston Basin |
| 59e Narragansett/Bristol Lowland |
| 59f Gulf of Maine Coastal Lowland |
| 59g Long Island Sound Coastal Lowland |
| 59h Gulf of Maine Coastal Plain |
| 59i Hudson Valley |
| 5a Sierran Alpine |
| 5b Northern Sierra Subalpine Forests |
| 5c Northern Sierra Upper Montane Forests |
| 5d Northern Sierra Mid-Montane Forests |
| 5e Northern Sierra Lower Montane Forests |
| 5f Northeastern Sierra Mixed Conifer-Pine Forests |
| 5g Central Sierra Mid-Montane Forests |
| 5h Central Sierra Lower Montane Forests |
| 5i Eastern Sierra Great Basin Slopes |
| 5j Eastern Sierra Mojavean Slopes |
| 5k Southern Sierra Subalpine Forests |
| 5l Southern Sierra Upper Montane Forests |
| 5m Southern Sierra Mid-Montane Forests |
| 5n Southern Sierra Lower Montane Forest and Woodland |
| 5o Tehachapi Mountains |
| 60a Glaciated Low Allegheny Plateau |
| 60b Delaware-Neversink Highlands |
| 60c Catskills Transition |
| 60d Finger Lakes Uplands and Gorges |
| 60e Glaciated Allegheny Hills |
| 60f Cattaraugus Hills |
| 61b Mosquito Creek/Pymatuning Lowlands |
| 61c Low Lime Drift Plain |
| 61d Erie Gorges |
| 61e Summit Interlobate Area |
| 62a Pocono High Plateau |
| 62b Low Poconos |
| 62c Glaciated High Allegheny Plateau |
| 62d Unglaciated High Allegheny Plateau |
| 63a Delaware River Terraces and Uplands |
| 63b Chesapeake-Pamlico Lowlands and Tidal Marshes |
| 63c Swamps and Peatlands |
| 63d Virginian Barrier Islands and Coastal Marshes |
| 63e Mid-Atlantic Flatwoods |
| 63f Delmarva Uplands |
| 63g Carolinian Barrier Islands and Coastal Marshes |
| 63h Carolina Flatwoods |
| 63n Mid-Atlantic Floodplains and Low Terraces |
| 64a Triassic Lowlands |
| 64b Trap Rock and Conglomerate Uplands |
| 64c Piedmont Uplands |
| 64d Piedmont Limestone/Dolomite Lowlands |
| 64e Glaciated Triassic Lowlands |
| 64f Passaic Basin Freshwater Wetlands |
| 64g Hackensack Meadowlands |
| 65a Blackland Prairie |
| 65b Flatwoods/Blackland Prairie Margins |
| 65c Sand Hills |
| 65d Southern Hilly Gulf Coastal Plain |
| 65e Northern Hilly Gulf Coastal Plain |
| 65f Southern Pine Plains and Hills |
| 65g Dougherty Plain |
| 65h Tifton Upland |
| 65i Fall Line Hills |
| 65j Transition Hills |
| 65k Coastal Plain Red Uplands |
| 65l Atlantic Southern Loam Plains |
| 65m Rolling Coastal Plain |
| 65n Chesapeake Rolling Coastal Plain |
| 65o Tallahasee Hills/Valdosta Limesink |
| 65p Southeastern Floodplains and Low Terraces |
| 65q Buhrstone/Lime Hills |
| 65r Jackson Prairie |
| 66a Northern Igneous Ridges |
| 66b Northern Sedimentary and Metasedimentary Ridges |
| 66c New River Plateau |
| 66d Southern Crystalline Ridges and Mountains |
| 66e Southern Sedimentary Ridges |
| 66f Limestone Valleys and Coves |
| 66g Southern Metasedimentary Mountains |
| 66i High Mountains |
| 66j Broad Basins |
| 66k Amphibolite Mountains |
| 66l Eastern Blue Ridge Foothills |
| 66m Sauratown Mountains |
| 67a Northern Limestone/Dolomite Valleys |
| 67b Northern Shale Valleys |
| 67c Northern Sandstone Ridges |
| 67d Northern Dissected Ridges and Knobs |
| 67e Anthracite Subregion |
| 67f Southern Limestone/Dolomite Valleys and Low Rolling Hills |
| 67g Southern Shale Valleys |
| 67h Southern Sandstone Ridges |
| 67i Southern Dissected Ridges and Knobs |
| 67j Northern Glaciated Limestone Valleys |
| 67k Northern Glaciated Shale and Slate Valleys |
| 67l Northern Glaciated Limestone Ridges, Valleys, and Terraces |
| 67m Northern Glaciated Ridges |
| 68a Cumberland Plateau |
| 68b Sequatchie Valley |
| 68c Plateau Escarpment |
| 68d Southern Table Plateaus |
| 68e Dissected Plateau |
| 68f Shale Hills |
| 69a Forested Hills and Mountains |
| 69b Uplands and Valleys of Mixed Land Use |
| 69c Greenbriar Karst |
| 69d Dissected Appalachian Plateau |
| 69e Cumberland Mountain Thrust Block |
| 6a Tuscan Flows |
| 6aa Eastern Hills |
| 6ab Pleasant Valley/Kettleman Plain |
| 6ac Temblor Range/Elk Hills |
| 6ad Grapevine Transition |
| 6ae Tehachapi Foothills |
| 6af Salinas Valley |
| 6ag Northern Santa Lucia Range |
| 6ah Santa Lucia Coastal Forest and Woodland |
| 6ai Interior Santa Lucia Range |
| 6aj Southern Santa Lucia Range |
| 6ak Paso Robles Hills and Valleys |
| 6al Salinas-Cholame Hills |
| 6am Cuyama Valley |
| 6an Carrizo Plain |
| 6ao Caliente Range |
| 6ap Solomon-Purisima-Santa Ynez Hills |
| 6aq Santa Maria/Santa Ynez Valleys |
| 6ar Upper Sacramento River Alluvium |
| 6b Northern Sierran Foothills |
|
| 6c Southern Sierran Foothills |
| 6d Camanche Terraces |
| 6e Tehama Terraces |
| 6f Foothill Ridges and Valleys |
| 6g North Coast Range Eastern Slopes |
| 6h Western Valley Foothills/Dunnigan Hills |
| 6i Clear Lake Hills and Valleys |
| 6j Mayacmas Mountains |
| 6k Napa-Sonoma-Lake Volcanic Highlands |
| 6l Napa-Sonoma-Russian River Valleys |
| 6m Sonoma-Mendocino Mixed Forest |
| 6n Bodega Coastal Hills |
| 6o Marin Hills |
| 6p Bay Flats |
| 6q Suisun Terraces and Low Hills |
| 6r East Bay Hills/Western Diablo Range |
| 6s San Francisco Peninsula |
| 6t Bay Terraces/Lower Santa Clara Valley |
| 6u Livermore Hills and Valleys |
| 6v Upper Santa Clara Valley |
| 6w Monterey Bay Plains and Terraces |
| 6x Leeward Hills/Western Diablo Range |
| 6y Gabilan Range |
| 6z Diablo Range |
| 70a Permian Hills |
| 70b Monongahela Transition Zone |
| 70c Pittsburgh Low Plateau |
| 70d Knobs-Lower Scioto Dissected Plateau |
| 70e Unglaciated Upper Muskingum Basin |
| 70f Ohio/Kentucky Carboniferous Plateau |
| 70g Northern Forested Plateau Escarpment |
| 70h Carter Hills |
| 71a Crawford-Mammoth Cave Uplands |
| 71b Mitchell Plain |
| 71c Knobs-Norman Upland |
| 71d Outer Bluegrass |
| 71e Western Pennyroyal Karst Plain |
| 71f Western Highland Rim |
| 71g Eastern Highland Rim |
| 71h Outer Nashville Basin |
| 71i Inner Nashville Basin |
| 71j Little Mountain |
| 71k Hills of the Bluegrass |
| 71l Inner Bluegrass |
| 71m Northern Shawnee Hills |
| 71n Southern Shawnee Hills |
| 72a Wabash-Ohio Bottomlands |
| 72b Glaciated Wabash Lowlands |
| 72c Green River-Southern Wabash Lowlands |
| 72d Upper Mississippi Alluvial Plain |
| 72e Middle Mississippi Alluvial Plain |
| 72f River Hills |
| 72g Southern Ozarkian River Bluffs |
| 72h Caseyville Hills |
| 72i Western Dissected Illinoian Till Plain |
| 72j Southern Illinoian Till Plain |
| 72k Cretaceous Hills |
| 72l Karstic Northern Ozarkian River Bluffs |
| 72m Wabash River Bluffs and Low Hills |
| 73a Northern Holocene Meander Belts |
| 73b Northern Pleistocene Valley Trains |
| 73c St. Francis Lowlands |
| 73d Northern Backswamps |
| 73e Grand Prairie |
| 73f Western Lowlands Holocene Meander Belts |
| 73g Western Lowlands Pleistocene Valley Trains |
| 73h Arkansas/Ouachita River Holocene Meander Belts |
| 73i Arkansas/Ouachita River Backswamps |
| 73j Macon Ridge |
| 73k Southern Holocene Meander Belts |
| 73l Southern Pleistocene Valley Trains |
| 73m Southern Backswamps |
| 73n Inland Swamps |
| 73o Deltaic Coastal Marshes and Barrier Islands |
| 74a Bluff Hills |
| 74b Loess Plains |
| 74c Southern Rolling Plains |
| 74d Baton Rouge Terrace |
| 75a Gulf Coast Flatwoods |
| 75b Southwestern Florida Flatwoods |
| 75c Central Florida Ridges and Uplands |
| 75d Eastern Florida Flatwoods |
| 75e Okefenokee Plains |
| 75f Sea Island Flatwoods |
| 75g Okefenokee Swamp |
| 75h Bacon Terraces |
| 75i Floodplains and Low Terraces |
| 75j Sea Islands/Coastal Marsh |
| 75k Gulf Barrier Islands and Coastal Marshes |
| 75l Big Bend Coastal Marsh |
| 76a Everglades |
| 76b Big Cypress |
| 76c Miami Ridge/Atlantic Coastal Strip |
| 76d Southern Coast and Islands |
| 77a North Cascades Lowland Forests |
| 77b North Cascades Highland Forests |
| 77c North Cascades Subalpine/Alpine |
| 77d Pasayten/Sawtooth Highlands |
| 77e Okanogan Pine/Fir Hills |
| 77f Chelan Tephra Hills |
| 77g Wenatchee/Chelan Highlands |
| 77h Chiwaukum Hills and Lowlands |
| 77i High Olympics |
| 78a Rogue/Illinois/Scott Valleys |
| 78b Oak Savanna Foothills |
| 78c Umpqua Interior Foothills |
| 78d Serpentine Siskiyous |
| 78e Inland Siskiyous |
| 78f Coastal Siskiyous |
| 78g Klamath River Ridges |
| 78h Border High-Siskiyous |
| 78i Western Klamath Low Elevation Forests |
| 78j Western Klamath Montane Forests |
| 78k Eastern Klamath Low Elevation Forests |
| 78l Eastern Klamath Montane Forests |
| 78m Marble/Salmon Mountains-Trinity Alps |
| 78n Scott Mountains |
| 78o Klamath Subalpine |
| 78p Duzel Rock |
| 78q Outer North Coast Ranges |
| 78r High North Coast Ranges |
| 79a Apachian Valleys and Low Hills |
| 79b Lower Madrean Woodlands |
| 79c Madrean Pine-Oak and Mixed Conifer Forests |
| 79d Willcox Playa |
| 79e Madrean Basin Grasslands |
| 7a Northern Terraces |
| 7b North Valley Alluvium |
| 7c Butte Sink/Sutter and Colusa Basins |
| 7d Southern Hardpan Terraces |
| 7e Sacramento/Feather Riverine Alluvium |
| 7f Sutter Buttes |
| 7g Yolo Alluvial Fans |
| 7h Yolo/American Basin |
| 7j Delta |
| 7k Lodi Alluvium |
| 7l Stockton Basin |
| 7m San Joaquin Basin |
| 7n Manteca/Merced Alluvium |
| 7o Westside Alluvial Fans and Terraces |
| 7p Granitic Alluvial Fans and Terraces |
| 7q Panoche and Cantua Fans and Basins |
| 7r Tulare Basin/Fresno Slough |
| 7s Kern Terraces |
| 7t South Valley Alluvium |
| 7u Antelope Plain |
| 7v Southern Clayey Basins |
| 80a Dissected High Lava Plateau |
| 80b Semiarid Hills and Low Mountains |
| 80c High Elevation Forests and Shrublands |
| 80d Pluvial Lake Basins |
| 80e High Desert Wetlands |
| 80f Owyhee Uplands and Canyons |
| 80g High Lava Plains |
| 80h Saltbush-Dominated Valleys |
| 80i Sagebrush Steppe Valleys |
| 80j Semiarid Uplands |
| 80k Partly Forested Mountains |
| 80l Salt Shrub Valleys |
| 80m Barren Playas |
| 81a Western Sonoran Mountains |
| 81b Western Sonoran Mountain Woodland and Shrubland |
| 81c Western Sonoran Basins |
| 81d Sand Hills/Sand Dunes |
| 81e Upper Coachella Valley and Hills |
| 81f Imperial/Lower Coachella Valleys |
| 81g Lower Colorado/Lower Gila River Valleys |
| 81h Sonoran Playas |
| 81i Central Sonoran/Colorado Desert Mountains |
| 81j Central Sonoran/Colorado Desert Basins |
| 81k Arizona Upland/Eastern Sonoran Mountains |
| 81l Arizona Upland/Eastern Sonoran Basins |
| 81m Sonoran Lava Fields |
| 81n Gila/Salt Intermediate Basins |
| 81o Middle Gila/Salt River Floodplains |
| 82a Aroostook Lowlands |
| 82b Aroostook Hills |
| 82c Eastern Maine-Southern New Brunswick Plains |
| 82d Central Foothills |
| 82e Central Maine Embayment |
| 82f Midcoast |
| 82g Downeast Coast |
| 82h Penobscot Lowlands |
| 83a Erie/Ontario Lake Plain |
| 83b Champlain Lowlands |
| 83c Ontario Lowlands |
| 83d St. Lawrence Lowlands |
| 83e Upper St. Lawrence Valley |
| 83f Mohawk Valley |
| 84a Cape Cod/Long Island |
| 84b Pine Barrens |
| 84c Barrier Islands/Coastal Marshes |
| 84d Inner Coastal Plain |
| 85a Santa Barbara Coastal Plain and Terraces |
| 85b Oxnard Plain and Valleys |
| 85c Venturan-Angeleno Coastal Hills |
| 85d Los Angeles Plain |
| 85e Diegan Coastal Terraces |
| 85f Diegan Coastal Hills and Valleys |
| 85g Diegan Western Granitic Foothills |
| 85h Morena/Boundary Mountain Chaparral |
| 85i Northern Channel Islands |
| 85j Southern Channel Islands |
| 85k Inland Valleys |
| 85l Inland Hills |
| 85m Santa Ana Mountains |
| 8a Western Transverse Range Lower Montane Shrub and Woodland |
| 8b Western Transverse Range Montane Forest |
| 8c Arid Montane Slopes |
| 8d Southern California Subalpine/Alpine |
| 8e Southern California Lower Montane Shrub and Woodland |
| 8f Southern California Montane Conifer Forest |
| 8g Northern Transverse Range |
| 9a Yakima Plateau and Slopes |
| 9b Grand Fir Mixed Forest |
| 9c Oak/Conifer Foothills |
| 9d Ponderosa Pine/Bitterbrush Woodland |
| 9e Pumice Plateau |
| 9f Pumice Plateau Basins |
| 9g Klamath/Goose Lake Basins |
| 9h Fremont Pine/Fir Forest |
| 9i Southern Cascades Slope |
| 9j Klamath Juniper Woodland/Devils Garden |
| 9k Shasta Valley |
| 9l Pit River Valleys |
| 9m Warner Mountains |
| 9n High Elevation Warner Mountains |
| 9o Likely Tableland |
| 9p Modoc/Lassen Juniper-Shrub Hills and Mountains |
| 9q Adin/Horsehead Mountains Forest and Woodland |
| 9r Adin/Dixie Low Hills |
| 9s Modoc Lava Flows and Buttes |
| 9t Old Cascades |
| <all other values> |
