Region
Africa
6
Africa, East
1
Alaska
2
Antarctica
1
Argentina
1
Arizona
2
Australia
1
Central America
1
England
2
Gabon
1
Galapagos Islands
2
Great Britain
1
Hispaniola
1
India
2
Jackson's Hole
1
Kalahari Desert
1
Kenya
2
KwaZulu-Natal
1
KwaZulu-Natal (South Africa)
1
Mediterranean Region
4
Mediterranean Sea
4
Mexico
1
New Zealand
1
North America
6
Ontario
2
Pacific Coast
1
Pacific coast
2
Parc national des volcans (Rwanda)
1
Pennsylvania
1
Philadelphia
1
Rocky Mountains
1
Scotland
1
Sierra Nevada (Calif. and Nev.)
1
Sonoran Desert
1
South Africa
1
South Carolina
1
South Pole
1
Sutherland
1
Tempe
1
United States
4
West (U.S.)
1
Wyoming
1