- List of ecoregions in the United States (WWF)
This is a list of
terrestrial ecoregion s of the 50United States andPuerto Rico , as defined by theWorld Wildlife Fund :Tropical and subtropical moist broadleaf forests *
Hawaii tropical moist forests
*Puerto Rican moist forests
*South Florida rocklands Tropical and subtropical dry broadleaf forests *
Hawaii tropical dry forests
*Puerto Rican dry forests Tropical and subtropical coniferous forests *
Sierra Madre Occidental pine-oak forests
*Sierra Madre Oriental pine-oak forests Temperate broadleaf and mixed forests *
Allegheny Highlands forests
*Appalachian mixed mesophytic forests
*Appalachian-Blue Ridge forests
*Central U.S. hardwood forests
*East Central Texas forests
*Eastern forest-boreal transition
*Eastern Great Lakes lowland forests
*Mississippi lowland forests
*New England-Acadian forests
*Northeastern coastal forests
*Ozark Mountain forests
*Southeastern mixed forests
*Southern Great Lakes forests
*Upper Midwest forest-savanna transition
*Western Great Lakes forests
*Willamette Valley forests Temperate coniferous forests *
Arizona Mountains forests
*Atlantic coastal pine barrens
*Blue Mountains forests
*British Columbia mainland coastal forests
*Cascade Mountains leeward forests
*Central and Southern Cascades forests
*Central Pacific coastal forests
*Colorado Rockies forests
*Eastern Cascades forests
*Florida sand pine scrub
*Great Basin montane forests
*Klamath-Siskiyou forests
*Middle Atlantic coastal forests
*North Central Rockies forests
*Northern California coastal forests
*Northern Pacific coastal forests
*Okanogan dry forests
*Piney Woods forests
*Puget lowland forests
*Sierra Nevada forests
*South Central Rockies forests
*Southeastern conifer forests
*Wasatch and Uinta montane forests Boreal forests/taiga *
Alaska Peninsula montane taiga
*Central Canadian Shield forests
*Cook Inlet taiga
*Copper Plateau taiga
*Interior Alaska-Yukon lowland taiga
*Midwestern Canadian Shield forests Tropical and subtropical grasslands, savannas, and shrublands *
Hawaii tropical high shrublands
*Hawaii tropical low shrublands
*Northwestern Hawaii scrub
*Western Gulf coastal grasslands Temperate grasslands, savannas, and shrublands *
California Central Valley grasslands
*Canadian aspen forests and parklands
*Central and Southern mixed grasslands
*Central forest-grasslands transition
*Central tall grasslands
*Edwards Plateau savanna
*Flint Hills tall grasslands
*Montana valley and foothill grasslands
*Nebraska Sand Hills mixed grasslands
*Northern mixed grasslands
*Northern short grasslands
*Northern tall grasslands
*Palouse grasslands
*Texas blackland prairies
*Western short grasslands Flooded grasslands and savannas *
Everglades Tundra *
Alaska-St. Elias Range tundra
*Aleutian Islands tundra
*Arctic coastal tundra
*Arctic foothills tundra
*Beringia lowland tundra
*Beringia upland tundra
*Brooks-British Range tundra
*Interior Yukon-Alaska alpine tundra
*Ogilvie-MacKenzie alpine tundra
*Pacific Coastal Mountain icefields and tundra Mediterranean forests, woodlands, and shrub *
California chaparral and woodlands Deserts and xeric shrublands *
Chihuahuan desert
*Colorado Plateau shrublands
*Great Basin shrub steppe
*Mojave desert
*Snake-Columbia shrub steppe
*Sonoran desert
*Tamaulipan mezquital
*Wyoming Basin shrub steppe ee also
*
List of ecoregions in the United States (EPA) References
* Ricketts, Taylor H; Eric Dinerstein; David M. Olson; Colby J. Loucks; et al. (1999). "Terrestrial Ecoregions of North America: a Conservation Assessment." Island Press;
Washington, DC .
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