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112 entries under ecoregion topic. ×

8
Canadian Shield(expression, area, type)
8
Eastern North America(expression, area, type)
8
Northern Mexico(expression, area, type)
8
Southwestern North America(expression, area, type)
8
Western North America(expression, area, type)
4
Chihuahuan desert(expression, feature, area, desert)
4
Sonoran desert(expression, feature, area, desert)
3
Middle Atlantic coastal forest(expression, forest, broadleaf, mixed, temperate)
3
Western Gulf coastal grassland(expression, forest, grassland, coniferous)
2
Alaska-St. Elias Range tundra(expression, zone, tundra)
2
Alaska Peninsula montane taiga(expression, forest, boreal, taiga)
2
Alberta-British Columbia foothills forest(expression, forest, temperate, coniferous)
2
Alberta Mountain forest(expression, forest, temperate, coniferous)
2
Aleutian Islands tundra(expression, zone, tundra)
2
Allegheny Highlands forest(expression, forest, broadleaf, mixed, temperate)
2
Appalachian-Blue Ridge forest(expression, forest, broadleaf, mixed, temperate)
2
Appalachian mixed mesophytic forest(expression, forest, broadleaf, mixed, temperate)
2
Arctic coastal tundra(expression, zone, tundra)
2
Arctic foothills tundra(expression, zone, tundra)
2
Arizona Mountains forest(expression, forest, temperate, coniferous)
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APASmart Define. (1970). nearctic realm thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/nearctic_realm/thesaurus/narrower
ChicagoSmart Define. 1970. "nearctic realm thesaurus" https://smartdefine.org/nearctic_realm/thesaurus/narrower (accessed October 1, 2026).
HarvardSmart Define 1970, nearctic realm thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/nearctic_realm/thesaurus/narrower>.
MLASmart Define. "nearctic realm thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/nearctic_realm/thesaurus/narrower>