Related species: Cynara cardunculus ssp. cardunculus Cynara cardunculus ssp. flavescens
Plant Communities: Introduced plant (naturalized)
Counties: Alameda Butte Contra Costa Colusa El Dorado Fresno Glenn Humboldt Kings Kern Lake Los Angeles Marin Mendocino Merced Monterey 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 Solano Sonoma Stanislaus Sutter Tehama Tulare Tuolumne Ventura Yolo Yuba