Place
- San Mateo County (Calif.)5
- Don Edwards San Francisco Bay National Wildlife Refuge (Calif.)4
- Central Valley (Calif.)2
- Marin County (Calif.)2
- Alameda County (Calif.)1
- Connecticut1
- Contra Costa County (Calif.)1
- Maine1
- Massachusetts1
- Napa County (Calif.)1
- New Hampshire1
- New Jersey1
- New York (State)1
- Northeastern States1
- Rhode Island1
- San Francisco Bay Area (Calif.)1
- San Francisco County (Calif.)1
- Santa Clara County (Calif.)1
- Solano County (Calif.)1
- Sonoma County (Calif.)1