Plant Communities: Weed (disturbed places)
Synonyms: Carduus marianus Mariana mariana
Counties: Alameda Amador Butte Calaveras Contra Costa Colusa Del Norte El Dorado Fresno Glenn Humboldt Imperial Kings Kern Lake Los Angeles Madera Marin Mariposa Mendocino Merced Monterey Napa Nevada Orange Placer Plumas 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 Yolo Yuba