April 27, 2017

Bailey’s Ecoregions

Number Domain Division Province
124 POLAR Tundra Arctic Tundra
125 POLAR Tundra Bering Tundra (Northern)
126 POLAR Tundra Bering Tundra (Southern)
M121 POLAR Tundra Brooks Range Tundra–Polar Desert
M125 POLAR Tundra Seward Peninsula Tundra–Meadow
M126 POLAR Tundra Ahklun Mountains Tundra–Meadow
M127 POLAR Tundra Aleutian Oceanic Meadow–Heath
131 POLAR Subarctic Yukon Intermontane Plateaus Tayga Forest
135 POLAR Subarctic Coastal Trough Humid Tayga
139 POLAR Subarctic Upper Yukon Tayga
M131 POLAR Subarctic Yukon Intermontane Plateaus Tayga–Meadow
M135 POLAR Subarctic Alaska Range Humid Tayga–Tundra–Meadow
M139 POLAR Subarctic Upper Yukon Tayga–Meadow
212 HUMID TEMPERATE Warm Continental Laurentian Mixed Forest
M212 HUMID TEMPERATE Warm Continental Adirondack-New England Mixed Forest–Coniferous Forest–Alpine Meadow
221 HUMID TEMPERATE Hot Continental Eastern Broadleaf Forest (Oceanic)
222 HUMID TEMPERATE Hot Continental Eastern Broadleaf Forest (Continental)
M221 HUMID TEMPERATE Hot Continental Central Appalachian Broadleaf Forest–Coniferous Forest–Meadow
M222 HUMID TEMPERATE Hot Continental Ozark Broadleaf Forest–Meadow
231 HUMID TEMPERATE Subtropical Southeastern Mixed Forest
232 HUMID TEMPERATE Subtropical Outer Coastal Plain Mixed Forest
234 HUMID TEMPERATE Subtropical Lower Mississippi Riverine Forest
M231 HUMID TEMPERATE Subtropical Ouachita Mixed Forest–Meadow
242 HUMID TEMPERATE Marine Pacific Lowland Mixed Forest
M242 HUMID TEMPERATE Marine Cascade Mixed Forest–Coniferous Forest–Alpine Meadow
M244 HUMID TEMPERATE Marine Pacific Coastal Mountains Forest–Meadow
M245 HUMID TEMPERATE Marine Pacific Gulf Coastal Forest–Meadow
251 HUMID TEMPERATE Prairie Prairie Parkland (Temperate
255 HUMID TEMPERATE Prairie Prairie Parkland (Subtropical)
261 HUMID TEMPERATE Mediterranean California Coastal Chaparral Forest and Shrub
262 HUMID TEMPERATE Mediterranean California Dry Steppe
263 HUMID TEMPERATE Mediterranean California Coastal Steppe, Mixed Forest, and Redwood Forest
M261 HUMID TEMPERATE Mediterranean Sierran Steppe–Mixed Forest–Coniferous Forest–Alpine Meadow
M262 HUMID TEMPERATE Mediterranean California Coastal Range Open Woodland-Shrub-Coniferous Forest–Meadow
311 DRY Tropical/Subtropical Steppe Great Plains Steppe and Shrub
313 DRY Tropical/Subtropical Steppe Colorado Plateau Semidesert
315 DRY Tropical/Subtropical Steppe Southwest Plateau and Plains Dry Steppe and Shrub
M313 DRY Tropical/Subtropical Steppe Arizona-New Mexico Mountains Semidesert-Open Woodland–Coniferous Forest–Alpine Meadow
321 DRY Tropical/Subtropical Desert Chihuahuan Semidesert
322 DRY Tropical/Subtropical Desert American Semidesert and Desert
331 DRY Temperate Steppe Great Plains-Palouse Dry Steppe
332 DRY Temperate Steppe Great Plains Steppe
M331 DRY Temperate Steppe Southern Rocky Mountain Steppe–OpenWoodland–Coniferous Forest–Alpine Meadow
M332 DRY Temperate Steppe Middle Rocky Mountain Steppe–Coniferous Forest–Alpine Meadow
M333 DRY Temperate Steppe Northern Rocky Mountain Forest-Steppe–Coniferous Forest–Alpine Meado
M334 DRY Temperate Steppe Black Hills Coniferous Forest
341 DRY Temperate Desert Intermountain Semidesert and Desert
342 DRY Temperate Desert Intermountain Semidesert
M341 DRY Temperate Desert Nevada-Utah Mountains Semidesert–Coniferous Forest–Alpine Meadow
411 HUMID TROPICAL Savanna Everglades
M411 HUMID TROPICAL Savanna Puerto Rico 
M423 HUMID TROPICAL Rainforest  Hawaiian Islands
0 NO DOMAIN NO DIVISION NO PROVINCE