Plant Communities: Redwood Forest Mixed Evergreen Forest Yellow Pine Forest
Counties: Alpine Amador Butte Calaveras Del Norte El Dorado Humboldt Lake Lassen Marin Mariposa Mendocino Monterey Modoc Napa Nevada Placer Plumas Santa Clara Santa Cruz San Mateo Shasta Sierra Siskiyou Sonoma Tehama Trinity Tuolumne Yuba