Vegetation classes developed by Michael Fleming (USFS/USGS) for Alaska using using the phenology of a vegetation index (AVHRR/NDVI) collected during the 1991 growing season. Polygon coverage derived from grid with 1000 km cell size.

Cell values and Vegetation Class Names:

1. Ocean Water
2. Water
3. Glaciers & Snow
4. Alpine Tundra & Barrens
5. Dwarf Shrub Tundra
6. Tussock Sedge/Dwarf Shrub Tundra
7. Moist Herbaceous/Shrub Tundra
8. Wet Sedge Tundra
9. Low Shrub/Lichen Tundra
10. Low & Dwarf Shrub
11. Tall Shrub
12. Closed Broadleaf & Closed Mixed Forest
13. Closed Mixed Forest
14. Closed Spruce Forest
15. Spruce Woodland/Shrub
16. Open Spruce Forest/Shrub/Bog Mosaic
17. Spruce & Broadleaf Forest
18. Open & Closed Spruce Forest
19. Open Spruce & Closed Mixed Forest Mosaic
20. Closed Spruce & Hemlock Forest
21. Fires
22. Fires & Gravel Bars
23. Canada/Russia
24. Tall & Low Shrub