1	 Tropical rainforest
2	 Monsoon or dry forest
3	 Tropical woodland
4	 Tropical thorn scrub and scrub woodland 
5	 Tropical semi-desert
6	 Tropical grassland
7	 Tropical extreme desert
8	 Savanna
9	 Broadleaved temperate evergreen forest
10	 Montane tropical forest
11	 Open boreal woodlands
12	 Semi-arid temperate woodland or scrub
13	 Tundra 
14	 Steppe-tundra
15	 Polar and alpine desert
16	 Temperate desert
17	 Temperate semi-desert 
18	 Forest steppe
19	 Montane Mosaic
20	 Alpine toundra
21	 Subalpine parkland
22	 Dry steppe
23	 Temperate steppe grassland
24	 Main Taiga
25	 Lakes and open water
26	 Ice sheet and other permanent ice