1. Equatorial Lowland -Amazon Type
2. Equatorial Highland -Malay Type
3. Equatorial High Plateaus -Ecuador Type
4. Tropical Eastern Margin -Monsoon Type
5. Tropical Interiors -Sudan Type
6. Tropical Western Deserts -Sahara Type
7. Warm Temperate/Subtropical Western Margins- Mediterranean Type
8. Warm Temperate/Subtropical Eastern Margin- China Type
9. Warm Temperate/Subtropical Interior Lowland -Turan Type
10. Warm Temperate/Subtropical Interior Plateau -Iran Type
11. Cool Temperate Western Margin -European Type
12. Cool Temperate Eastern Margin -St. Lawrence Type
13. Cool Temperate Interior Lowland -Prairie Type
14. Cool Temperate Interior Highland -Altai Type
15. Cool Temperate High Plateau- Tibet Type
16. Polar Lowland -Tundra Type
17. Polar Highland- Ice Cap Type