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Taxon:
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terrestrial ecoregions
"
(Nearctic)
(ecological region)
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Entity:
Nearctic (Biogeographic realm)
..freshwater ecoregions
..terrestrial ecoregions
....Alaska Peninsula montane taiga (Terrestrial ecoregion)
....Alaska-St. Elias Range tundra (Terrestrial ecoregion)
....Alaskan North Slope Coastal Tundra (Ecoregion complex)
....Alberta Mountain forests (Terrestrial ecoregion)
....Alberta-British Columbia foothills forests (Terrestrial ecoregion)
....Aleutian Islands tundra (Terrestrial ecoregion)
....Allegheny Highlands forests (Terrestrial ecoregion)
....Appalachian and Mixed Mesophytic Forests (Ecoregion complex)
....Arizona Mountains forests (Terrestrial ecoregion)
....Atlantic coastal pine barrens (Terrestrial ecoregion)
....Baffin coastal tundra (Terrestrial ecoregion)
....Beringia lowland tundra (Terrestrial ecoregion)
....Beringia upland tundra (Terrestrial ecoregion)
....Bermuda subtropical conifer forests (Terrestrial ecoregion)
....Blue Mountains forests (Terrestrial ecoregion)
....Brooks-British Range tundra (Terrestrial ecoregion)
....California Central Valley grasslands (Terrestrial ecoregion)
....California Chaparral and Woodlands (Ecoregion complex)
....Canadian Aspen forests and parklands (Terrestrial ecoregion)
....Canadian Boreal Forests (Ecoregion complex)
....Canadian Low Arctic Tundra (Terrestrial ecoregion)
....Cascade Mountains leeward forests (Terrestrial ecoregion)
....Central and Southern Cascades forests (Terrestrial ecoregion)
....Central and Southern mixed grasslands (Terrestrial ecoregion)
....Central British Columbia Mountain forests (Terrestrial ecoregion)
....Central Canadian Shield forests (Terrestrial ecoregion)
....Central forest-grasslands transition (Terrestrial ecoregion)
....Central Mexican matorral (Terrestrial ecoregion)
....Central tall grasslands (Terrestrial ecoregion)
....Central U.S. hardwood forests (Terrestrial ecoregion)
....Chihuahuan-Tehuacán Deserts (Ecoregion complex)
....Colorado Plateau shrublands (Terrestrial ecoregion)
....Colorado Rockies forests (Terrestrial ecoregion)
....Cook Inlet taiga (Terrestrial ecoregion)
....Copper Plateau taiga (Terrestrial ecoregion)
....Davis Highlands tundra (Terrestrial ecoregion)
....East Central Texas forests (Terrestrial ecoregion)
....Eastern Canadian forests (Terrestrial ecoregion)
....Eastern Cascades forests (Terrestrial ecoregion)
....Eastern forest-boreal transition (Terrestrial ecoregion)
....Eastern Great Lakes lowland forests (Terrestrial ecoregion)
....Edwards Plateau savanna (Terrestrial ecoregion)
....Flint Hills tall grasslands (Terrestrial ecoregion)
....Florida sand pine scrub (Terrestrial ecoregion)
....Fraser Plateau and Basin complex (Terrestrial ecoregion)
....Great Basin montane forests (Terrestrial ecoregion)
....Great Basin shrub steppe (Terrestrial ecoregion)
....Gulf of St. Lawrence lowland forests (Terrestrial ecoregion)
....High Arctic tundra (Terrestrial ecoregion)
....Interior Alaska-Yukon lowland taiga (Terrestrial ecoregion)
....Interior Yukon-Alaska alpine tundra (Terrestrial ecoregion)
....Kalaallit Nunaat high arctic tundra (Terrestrial ecoregion)
....Kalaallit Nunaat low arctic tundra (Terrestrial ecoregion)
....Klamath-Siskiyou Coniferous Forests (Terrestrial ecoregion)
....Mid-Continental Canadian forests (Terrestrial ecoregion)
....Middle Arctic tundra (Terrestrial ecoregion)
....Middle Atlantic coastal forests (Terrestrial ecoregion)
....Midwestern Canadian Shield forests (Terrestrial ecoregion)
....Mississippi lowland forests (Terrestrial ecoregion)
....Mojave desert (Terrestrial ecoregion)
....Montana Valley and Foothill grasslands (Terrestrial ecoregion)
....Muskwa/Slave Lake Boreal Forests (Ecoregion complex)
....New England-Acadian forests (Terrestrial ecoregion)
....Newfoundland Highland forests (Terrestrial ecoregion)
....North Central Rockies forests (Terrestrial ecoregion)
....Northeastern coastal forests (Terrestrial ecoregion)
....Northern mixed grasslands (Terrestrial ecoregion)
....Northern Prairie (Ecoregion complex)
....Northern tall grasslands (Terrestrial ecoregion)
....Northern transitional alpine forests (Terrestrial ecoregion)
....Northwest Mexican Coast mangroves (Terrestrial ecoregion)
....Ogilvie-MacKenzie alpine tundra (Terrestrial ecoregion)
....Okanogan dry forests (Terrestrial ecoregion)
....Ozark Mountain forests (Terrestrial ecoregion)
....Pacific Coastal Mountain icefields and tundra (Terrestrial ecoregion)
....Pacific Temperate Rainforests (Ecoregion complex)
....Palouse grasslands (Terrestrial ecoregion)
....Piney Woods forests (Terrestrial ecoregion)
....Puget lowland forests (Terrestrial ecoregion)
....Sierra Juarez and San Pedro Martir pine-oak forests (Terrestrial ecoregion)
....Sierra Madre Oriental and Occidental Pine-Oak Forests (Ecoregion complex)
....Sierra Nevada Coniferous Forests (Terrestrial ecoregion)
....Snake-Columbia shrub steppe (Terrestrial ecoregion)
....Sonoran-Baja Deserts (Ecoregion complex)
....South Avalon-Burin oceanic barrens (Terrestrial ecoregion)
....South Central Rockies forests (Terrestrial ecoregion)
....Southeastern Coniferous and Broadleaf Forests (Ecoregion complex)
....Southern Great Lakes forests (Terrestrial ecoregion)
....Southern Hudson Bay taiga (Terrestrial ecoregion)
....Tamaulipan matorral (Terrestrial ecoregion)
....Tamaulipan mezquital (Terrestrial ecoregion)
....Texas blackland prairies (Terrestrial ecoregion)
....Torngat Mountain tundra (Terrestrial ecoregion)
....Upper Midwest forest-savanna transition (Terrestrial ecoregion)
....Wasatch and Uinta montane forests (Terrestrial ecoregion)
....Western Great Lakes forests (Terrestrial ecoregion)
....Western Gulf coastal grasslands (Terrestrial ecoregion)
....Western short grasslands (Terrestrial ecoregion)
....Willamette Valley forests (Terrestrial ecoregion)
....Wyoming Basin shrub steppe (Terrestrial ecoregion)
....Yukon Interior dry forests (Terrestrial ecoregion)
Concise hierarchy
(Biogeographic realm)
Nearctic
Current position
Nearctic
(Biogeographic realm)
Ref:
WWF, present
: 27 Apr 2011.
Number of Subtaxa
2026
Available in Systema Naturae 2000
619
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026