Gebied
United States
178
Vietnam
38
California
8
Washington (State)
4
Guam
2
Gulf Coast (U.S.)
2
Mexico, Gulf of
2
Okanogan-Wenatchee National Forest
2
Southern States
2
Cambodia
1
China
1
Gifford Pinchot National Forest
1
Gifford Pinchot National Forest (Wash.)
1
Gulf Coast
1
Gulf of Mexico
1
Laos
1
Okanogan National Forest
1
Taiwan
1
Wenatchee National Forest
1