Parent species: Juncus covillei
Plant Communities: Redwood Forest Yellow Pine Forest Red Fir Forest wetland-riparian
Synonyms: Juncus obtusatus
Counties: Butte Colusa Del Norte El Dorado Fresno Glenn Humboldt Lake Los Angeles Madera Mariposa Mono Placer San Bernardino Sonoma Tehama Trinity Tuolumne Ventura