Parent species: Lupinus albifrons
Synonyms: Lupinus albifrons var. flumineus
Counties: Alameda Amador Butte Calaveras Contra Costa Colusa El Dorado Fresno Glenn Humboldt Kern Lake Los Angeles Marin Mariposa Mendocino Merced Mono Monterey Napa Nevada Placer Plumas Riverside Santa Barbara San Benito Santa Clara Santa Cruz San Francisco San Joaquin San Luis Obispo San Mateo Shasta Siskiyou Sonoma Tehama Trinity Tulare Ventura Yuba