Place
- Georges Bank9
- Greenland9
- Ipswich Bay (Mass.)9
- Italy9
- Moscow (Russia)9
- Nantucket Shoals (Mass.)9
- Nigeria9
- Northeastern states9
- Noyo River (Calif.)9
- Noyo River Watershed (Calif.)9
- Palo Alto (Calif.)9
- Rwanda9
- Saint Helena9
- Afghanistan8
- Amapá (Brazil : Territory)8
- Amazonas (Brazil)8
- Arce (Brazil)8
- Argentina8
- Australasia8
- Bahia (Brazil : State)8