Plant Communities: wetland-riparian
Synonyms: Juncus tenuis var. congestus Juncus tenuis var. occidentalis
Counties: Alameda Alpine Amador Butte Contra Costa Colusa Del Norte El Dorado Fresno Glenn Humboldt Inyo Kern Lake Lassen Los Angeles Madera Marin Mariposa Mendocino Mono Monterey Napa Nevada Placer Plumas Sacramento Santa Barbara San Bernardino San Benito Santa Clara Santa Cruz San Diego San Francisco San Luis Obispo San Mateo Shasta Sierra Siskiyou Sonoma Sutter Tehama Trinity Tuolumne Ventura Yuba