Parent species: Juncus bufonius
Plant Communities: wetland-riparian
Synonyms: Juncus sphaerocarpus
Counties: Alpine Amador Butte Contra Costa Colusa Del Norte El Dorado Fresno Glenn Humboldt Inyo Kern Lake Lassen Los Angeles Madera Marin Mariposa Mendocino Merced Mono Monterey Modoc Nevada Orange Placer Plumas Riverside Sacramento Santa Barbara San Bernardino San Benito Santa Clara Santa Cruz San Diego San Joaquin San Luis Obispo San Mateo Shasta Sierra Siskiyou Solano Sonoma Tehama Trinity Tulare Tuolumne Ventura Yuba