The twenty-five biodiversity hotspots (green) as indicated in Myers, N., et al. (2000) "Biodiversity hotspots for conservation priorities." Nature 403:853–858. doi:10.1038/350025011. The Tropical Andes
2. Mesoamerica
3. The Caribbean Islands
4. The Atlantic Forest
5. Tumbes-Chocó-Magdalena
6. The Cerrado
7. Chilean Winter Rainfall-Valdivian Forests
8. The California Floristic Province
9. Madagascar and the Indian Ocean Islands
10. The Coastal Forests of Eastern Africa
11. The Guinean Forests of West Africa
12. The Cape Floristic Region
13. The Succulent Karoo
14. The Mediterranean Basin
15. The Caucasus
16. Sundaland
17. Wallacea
18. The Philippines
19. Indo-Burma
20. The Mountains of Southwest China
21. Western Ghats and Sri Lanka
22. Southwest Australia
23. New Caledonia
24. New Zealand
25. Polynesia and Micronesia
An additional eleven hotspots (blue) have since been added [1][2][3]:
26. The Madrean Pine-Oak Woodlands
27. Maputaland-Pondoland-Albany
28. The Eastern Afromontane
29. The Horn of Africa
30. The Irano-Anatolian
31. The Mountains of Central Asia
32. Eastern Himalaya
33. Japan
34. East Melanesian Islands
35. The Forests of East Australia
36. North American Coastal PlainSee also

Lamoreux, J. F., et al. (2006) "Global tests of biodiversity concordance and the importance of endemism." Nature 440:212–214 doi:10.1038/nature04291
Pimm, S. L., et al. (2014) "The biodiversity of species and their rates of extinction, distribution, and protection" Science 344:–6187 doi:10.1126/science.1246752
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File:World map blank without borders.svg: Crates / *derivative work Ninjatacoshell