- Definitions|0
- Thesaurus|880
- Abbreviations|0
822 entries under expression topic. ×
| Upper Nile(area, ecoregion, congo) | |
| Upper Usumacinta(area, ecoregion, guatemala) | |
| Ussuri-Wusuli meadow and forest meadow(area, ecoregion, china, russia) | |
| Usumacinta mangroves(area, ecoregion, mexico) | |
| Valdivian temperate forests(area, ecoregion, argentina) | |
| Valdivian temperate rain forests(area, ecoregion, chile) | |
| Veracruz dry forests(area, ecoregion, mexico) | |
| Veracruz moist forests(area, ecoregion, mexico) | |
| Veracruz montane forests(area, ecoregion, mexico) | |
| West Saharan montane xeric woodlands(territory, area, ecoregion, terrestrial) | |
| West Sudanian savanna(area, ecoregion, mauritania, benin) | |
| Western Amazon Lowlands(area, brazil, ecoregions) | |
| Western Equatorial Crater Lakes(area, ecoregion, cameroon) | |
| Western Gulf coastal grasslands(area, ecoregion, mexico) | |
| Western Himalayan alpine shrub and meadows(area, ecoregion, india) | |
| Western Himalayan broadleaf forests(area, ecoregion, india, pakistan) | |
| Western Iberia(area, ecoregion, spain, portugal) | |
| Western Mediterranean(area, ecoregion, marine, spain) | |
| Western Orange(area, ecoregion, freshwater, botswana) | |
| Western Zambezian grasslands(territory, ecoregion, terrestrial, angola) |
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| APA | Smart Define. (1970). biogeographic realm thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/biogeographic_realm/thesaurus/narrower |
| Chicago | Smart Define. 1970. "biogeographic realm thesaurus" https://smartdefine.org/biogeographic_realm/thesaurus/narrower (accessed September 29, 2026). |
| Harvard | Smart Define 1970, biogeographic realm thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/biogeographic_realm/thesaurus/narrower>. |
| MLA | Smart Define. "biogeographic realm thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/biogeographic_realm/thesaurus/narrower> |