Related species: Carduus pycnocephalus ssp. pycnocephalus
Plant Communities: Weed (disturbed places)
Counties: Alameda Amador Butte Calaveras Contra Costa Colusa Del Norte El Dorado Fresno Glenn Humboldt Kern Lake Los Angeles Madera Marin Mariposa 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 Siskiyou Solano Sonoma Stanislaus Sutter Tehama Trinity Tulare Tuolumne Ventura Yolo Yuba
What plants grow with
Carduus pycnocephalus ?