Place
- Africa6
- Alameda County (Calif.)24
- Albion River Watershed (Calif.)2
- Asia6
- Atlantic Coast (Middle Atlantic States)1
- Atlantic Coast (N.C.)1
- Atlantic Coast (New England)4
- Atlantic Coast (New England),1
- Atlantic Coast (S.C.)1
- Atlantic Coast (U.S.)1
- Atlantic Ocean6
- Australasia6
- California67
- California, Northern6
- Central America6
- Connecticut2
- Contra Costa County (Calif.)24
- Delaware1
- Earth12
- Earth (Planet)12