Chagos Islands Cocos-Keeling and Christmas Islands Andaman and Nicobar Islands Sumatra Java Lesser Sunda Islands Celebes Borneo Philippines Taiwan Nearctic Realm Subtropical and temperate rain forests or woodlands Sitkan Oregonian Temperate needle-leaf forests or woodlands Yukon Taiga Canadian Taiga Temperate broad-leaf forests or woodlands, and subpolar deciduous thickets Eastern Forest Austroriparian Evergreen sclerophyllous forests, scrubs or woodlands Californian Warm deserts and semideserts Sonoran Chihuahuan Tamaulipan Cold-winter (continental) deserts and semideserts Great Basin Tundra communities and barren Arctic desert Aleutian Islands Alaskan Tundra Canadian Tundra Arctic Archipelago Greenland Tundra Arctic Desert and Icecap Temperate grasslands Grasslands Mixed mountain and highland systems with complex zonation Rocky Mountains Sierra-Cascade Madrean-Cordilleran Lake systems Great Lakes Neotropical Realm Tropical humid forests Campechean Panamanian Colombian Coastal Guayanan Amazon rainforest Madeiran Serra do Mar (Bahian coast) Subtropical and temperate rain forests or woodlands Brazilian Rainforest (Brazilian Deciduous Forest) Brazilian Planalto (Brazilian Araucaria Forest) Valdivian Forest (Chilean Temperate Rain Forest) Chilean Nothofagus Tropical dry or deciduous forests (incl. Monsoon forests) or woodlands Everglades Sinaloan Guerreran Yucatecan (Yucatán) Central American (Carib-Pacific) Venezuelan Dry Forest Venezuelan Deciduous Forest Ecuadoran Dry Forest Caatinga Gran Chaco Temperate broad-leaf forests or woodlands, and subpolar deciduous thickets Chilean Araucaria Forest Evergreen sclerophyllous forests, scrubs or woodlands Chilean Sclerophyll Warm deserts and semideserts Pacific Desert (Peruvian and Atacama Desert) Monte (Argentinian Thorn-scrub) Cold-winter (continental) deserts and semideserts Patagonian Tropical grasslands and savannas Llanos Campos Limpos (Guyana highlands) Babacu Campos Cerrados (Campos) Temperate grasslands Argentinian Pampas (Pampas) Uruguayan Pampas Mixed mountain and highland systems with complex zonation Northern Andean Colombian Montane Yungas (Andean cloud forest) Puna Southern Andean Mixed island systems Bahamas-Bermudan Cuban Greater Antillean (Jamaica, Hispaniola and Puerto Rico) Lesser Antillean Revillagigedo Archipelago Cocos Island Galapagos Islands Fernando de Noronha Island South Trindade Island Lake systems Lake Titicaca Oceanian Realm Mixed island systems Papuan Micronesian Hawaiian Southeastern Polynesian Central Polynesian New Caledonian East Melanesian Palearctic Realm Subtropical and temperate rain forests or woodlands Chinese Subtropical Forest Japanese Evergreen Forest (Japanese Subtropical Forest) Temperate needle-leaf forests or woodlands West Eurasian Taiga East Siberian Taiga Temperate broad-leaf forests or woodlands, and subpolar deciduous thickets Icelandic Subarctic Birchwoods Kamchatkan British Isles (British and Irish Forest) Atlantic (West European Forest) Boreonemoral (Baltic Lowland) Middle European Forest (East European Mixed Forest) Pannonian (Danubian Steppe) West Anatolian Manchu-Japanese Mixed Forest Oriental Deciduous Forest Evergreen sclerophyllous forests, scrubs or woodlands Iberian Highlands Mediterranean Sclerophyll Warm deserts and semideserts Sahara Arabian Desert (Arabia)