Region
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Sawtooth National Recreation Area (Idaho)
1
Sheyenne National Grassland
2
Sheyenne National Grassland (N.D.)
1
Silk Road Region
1
South Dakota
11
Southern States
2
Southwestern States
3
Spokane County
1
Ste. Madeleine
1
Ste. Madeleine (Man.)
1
Suffield
1
Tallgrass Prairie National Preserve (Kan.)
2
Texas
29
Timpas Creek
1
Tropics
1
Turnbull National Wildlife Refuge
1
United States
22
Victoria County
1
Virginia
1
Vogel Canyon
1
Washington (State)
3
Weld County
1
West (U.S.)
9
Zêkog Xian
2
Zêkog Xian (China)
2