Plant Communities: Yellow Pine Forest Foothill Woodland Chaparral Valley Grassland wetland-riparian
Counties: Alpine Amador Butte Calaveras Contra Costa Del Norte El Dorado Humboldt Lake Lassen Madera Marin Mariposa Mendocino Merced Modoc Napa Nevada Placer Plumas Sacramento San Joaquin Shasta Sierra Siskiyou Sonoma Stanislaus Sutter Tehama Tuolumne Yuba