Region
California
San Diego County
39
Los Angeles County
26
San Francisco Bay Area
26
Nevada
25
San Francisco Bay
24
United States
24
Pacific Coast
20
San Bernardino County
20
San Francisco
20
Los Angeles
19
Oregon
19
Sacramento Valley
19
San Diego
14
Washington (State)
13
Arizona
12
Ventura County
12
San Francisco Bay (Calif.)
11
Orange County
10
San Joaquin River Watershed
10
Delta Region
9
Sonoma County
9
Golden Gate National Recreation Area (Calif.)
8
Humboldt Bay National Wildlife Refuge (Calif.)
7
Humboldt County
7
Riverside County
7
Alameda County
6
Central Valley (Valley)
6
Coachella Valley
6
Monterey Bay National Marine Sanctuary
6
Monterey Bay National Marine Sanctuary (Calif.)
6
Sacramento River
6
San Joaquin Valley
6
Santa Barbara County
6
California, Southern
5
Colorado
5
Kern County
5
Napa County
5
Salton Sea
5
Tule Lake National Wildlife Refuge
5
Antelope Valley
4
California Coastal National Monument (Calif.)
4
Channel Islands National Marine Sanctuary
4
Channel Islands National Park
4
Channel Islands National Park (Calif.)
4
Fresno
4
Golden Gate National Recreation Area
4
Humboldt Bay National Wildlife Refuge
4
Long Beach
4
Modesto
4
more ...