Region
United States
20
Alabama
7
Florida
5
Arkansas
4
Nevada
3
New Mexico
3
Ontario
3
Alaska
2
Arkansas Delta
2
Colorado
2
Montana
2
Oregon
2
South Carolina
2
Texas
2
Vermont
2
American Samoa
1
Austin
1
Bainbridge
1
Black Hills National Forest (S.D. and Wyo.)
1
Branchville
1
California
1
Carson National Forest
1
Carson National Forest (N.M.)
1
Chicago Metropolitan Area
1
Coronado National Forest (Ariz. and N.M.)
1
England
1
Georgia
1
Great Britain
1
Great Lakes Region (North America)
1
Guam
1
Houston
1
Idaho
1
Illinois
1
Indiana
1
Isle Royale National Park
1
Italy
1
Kentucky
1
Korea (South)
1
Lake States
1
Louisiana
1
Maryland
1
Michigan
1
Minnesota
1
Mississippi River
1
Mississippi River Valley
1
New England
1
New Hampshire
1
New Jersey
1
North Carolina
1
Ohio
1
more ...