Place
- Sacramento County (Calif.)3
- Canada2
- Mexico2
- New York2
- San Joaquin County (Calif.)2
- Washington2
- California, Northern1
- District of Columbia1
- Jackson Demonstration State Forest (Calif.)1
- Jasper Ridge Biological Preserve (Calif.)1
- Mad River (Calif.)1
- McKinleyville (Calif.)1
- Mendocino County (Calif.)1
- Northeastern States1
- San Francisco (Calif.)1
- San Francisquito Creek (Calif.)1
- Scott River (Calif.)1
- Tehama County (Calif.)1
- Trinity River (Calif.)1
- U.S. Virgin Islands1