Region
United States
150
Colorado
23
Alaska
20
Tropics
20
Montana
19
Arizona
18
New Mexico
18
Northwest, Pacific
17
Oregon
17
Idaho
15
West (U.S.)
14
Southern States
13
Utah
13
Washington (State)
13
North Carolina
9
Pennsylvania
9
Maine
8
Michigan
8
New York (State)
7
Puerto Rico
7
Wisconsin
7
California
6
Colville National Forest (Wash.)
6
Florida
6
Minnesota
6
New Hampshire
6
Northeastern States
6
Alabama
5
Arkansas
5
Colville National Forest
5
Nevada
5
New England
5
Oregon, Western
5
Rocky Mountains Region
5
Vermont
5
West Virginia
5
Georgia
4
Indiana
4
Kaibab National Forest (Ariz.)
4
Kentucky
4
Louisiana
4
Mississippi
4
Missouri
4
Nebraska
4
New Jersey
4
South Carolina
4
South Dakota
4
Tennessee
4
Tongass National Forest (Alaska)
4
Appalachian Region, Southern
3
more ...