Place
- Central America6
- Europe6
- Massachusetts6
- South America6
- North America5
- Atlantic Coast (New England)4
- Humboldt County (Calif.)4
- Albion River Watershed (Calif.)2
- Connecticut2
- Maine2
- Mendocino County (Calif.)2
- New Hampshire2
- Pacific Ocean2
- Rhode Island2
- Atlantic Coast (Middle Atlantic States)1
- Atlantic Coast (N.C.)1
- Atlantic Coast (New England),1
- Atlantic Coast (S.C.)1
- Atlantic Coast (U.S.)1
- Delaware1