Parent species: Juncus phaeocephalus
Plant Communities: wetland-riparian
Counties: Alameda Alpine Contra Costa Colusa El Dorado Lake Los Angeles Marin Mendocino Merced Monterey Napa Orange Placer Riverside Sacramento Santa Barbara San Bernardino San Benito Santa Clara Santa Cruz San Diego San Joaquin San Luis Obispo San Mateo Solano Sonoma Ventura