Region
Africa
2
Arctic regions
1
Atlantic Coast (U.S.)
1
Black Kettle National Grassland (Okla. and Tex.)
1
Brazil
1
California
3
Cameroon
1
Catalonia
1
Catalonia (Spain)
1
Chile
1
China
5
Coachella Valley
1
Denmark
2
Developing countries
1
Earth (Planet)
1
Egypt
1
Europe
1
European Union countries
3
France
1
Grimsby (England)
1
Gujarat
1
Hawaii
1
Iceland
1
India
2
Indiana
1
Iowa
2
Kenya
1
Kiowa National Grassland
1
Maryland
1
McClellan Creek National Grassland
1
Mexico
3
Minnesota
1
New Jersey
1
New Mexico
1
North Atlantic Region
1
Oklahoma
1
Puerto Rico
1
Rita Blanca National Grassland (Okla. and Tex.)
1
Salton Sea (Calif.)
1
Samso
1
Samsø
1
South Africa
1
Spain
1
Tehuantepec, Isthmus of
3
Texas
2
Uganda
1
United States
113
West (U.S.)
2
Woodward County
1