Related species: Lithophragma parviflorum var. parviflorum Lithophragma parviflorum var. trifoliatum
Synonyms: Lithophragma austromontana
Counties: Alameda Amador Butte Calaveras Contra Costa Colusa Del Norte El Dorado Fresno Glenn Humboldt Kern Lake Lassen Los Angeles Marin Mariposa Mendocino Merced Monterey Modoc Napa Nevada Placer Plumas Riverside Sacramento San Bernardino San Benito Santa Clara San Diego San Joaquin San Luis Obispo Shasta Sierra Siskiyou Stanislaus Sutter Tehama Trinity Tulare Tuolumne Ventura Yolo