01 Subtropical Florida 02 Peninsular Florida 03 South Atlantic Coastal Plain 04 East Gulf Coastal Plain 05 Mississippi Alluvial Valley 06 Coastal Prairies 07 South Texas Brushlands 08 Oaks and Prairies 09 Southern New England 10 Mid Atlantic Piedmont 11 Southern Piedmont 12 Mid Atlantic Ridge and Valley 13 Southern Ridge and Valley 14 Interior Low Plateaus 15 Lower Great Lakes Plain 16 Upper Great Lakes Plain 17 Northern Ridge and Valley 18 St. Lawrence Plain 19 Ozark-Ouachita Plateau 20 Boreal Hardwood Transition |
21
Northern Cumberland
Plateau 22 Ohio Hills 23 Southern Blue Ridge 24 Allegheny Plateau 26 Adirondack Mountains 27 Northern New England 28 Spruce-Hardwood Forest 30 Aspen Parklands 31 Prairie Peninsula 32 Dissected Till Plains 33 Osage Plains 34 Central Mixed-grass Prairie 36 Central Shortgrass Prairie 37 Northern Mixed-grass Prairie 38 West River 39 Northern Shortgrass Prairie 40 Northern Tallgrass Prairie 42 West Gulf Coastal Plain 44 Mid Atlantic Coastal Plain 53 Edwards Plateau |
54
Rolling Red Plains 55 Pecos and Staked Plains 56 Chihuahuan Desert 62 Southern Rocky Mountains 64 Central Rocky Mountains 66 Sierra Nevada 69 Utah Mountains 80 Basin and Range 81 Mexican Highlands 82 Sonoran Desert 83 Mojave Desert 84 Mogollon Rim 85 Mesa and Plains 86 Wyoming Basin 87 Colorado Plateau 89 Columbia Plateau 90 Central and Southern California Coast and Valleys 93 Southern Pacific Rainforests |
pdf (246KB) |
pdf (815KB) |
California |
Colorado |
pdf (873KB) |
pdf (6.8MB) |
pdf (1.0MB) |
|
pdf (8.0MB) |
Version 2.0 May 2003 |
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