Plant Communities: Weed (disturbed places)
Counties: Alameda Butte Contra Costa Colusa Fresno Glenn Humboldt Kings Kern Los Angeles Madera Marin Mariposa Mendocino Merced Monterey Modoc Napa Nevada Orange Placer Riverside Sacramento Santa Barbara San Bernardino San Benito Santa Clara Santa Cruz San Diego San Francisco San Joaquin San Luis Obispo San Mateo Shasta Siskiyou Solano Sonoma Stanislaus Sutter Tehama Tulare Tuolumne Ventura