Region
California
San Bernardino County
11
San Joaquin Valley
11
Nevada
8
Santa Barbara County
7
Mojave River Watershed
6
Coachella Valley
4
Kern County
4
Morongo Valley
4
Riverside County
4
San Diego County
4
Santa Clara River Valley
4
Central Valley (Valley)
3
Edwards Air Force Base
3
Inyo County
3
Los Angeles County
3
Owens Valley
3
San Francisco Bay Area
3
Lassen County
2
Martis Valley
2
Merced County
2
Monterey Bay
2
Pajaro River Valley
2
Sacramento Valley
2
Salinas River Valley
2
San Bernardino Region
2
San Joaquin County
2
San Joaquin Valley (Calif.)
2
San Nicolas Island
2
Santa Barbara
2
Santa Barbara Region
2
Santa Maria Valley (Santa Barbara County)
2
Washoe County
2
Alexander Valley
1
Alpine County
1
Antelope Valley
1
Antelope Valley Region
1
Bear Valley (San Bernardino County)
1
Bunker Hill Basin
1
California, Northern
1
California, Southern
1
Central Valley
1
Chowchilla
1
Cottonwood Creek Region
1
Del Norte County
1
Douglas County
1
Edwards Air Force Base (Calif.)
1
Fresno County
1
Fresno Metropolitan Area
1
Indian Wells Region
1
more ...