Calflora, a 501c3 non-profit
Distribution by County   4484    
Juncus occidentalis  (Coville) Wiegand
Rush,   Slender juncus,   Western rush
Juncus occidentalis is a perennial grasslike herb that is native to California.
Record Count by County

Alameda: 16 Lake: 9 Placer: 9 Shasta: 16
Alpine: 1 Lassen: 4 Plumas: 34 Sierra: 12
Amador: 8 Los Angeles: 1 Sacramento: 1 Sonoma: 87
Butte: 27 Madera: 1 San Benito: 1 Sutter: 1
Colusa: 3 Marin: 135 San Bernardino: 12 Tehama: 5
Contra Costa: 20 Mariposa: 8 San Diego: 5 Trinity: 6
El Dorado: 7 Mendocino: 30 San Francisco: 17 Tuolumne: 3
Fresno: 2 Modoc: 1 San Luis Obispo: 39 Ventura: 5
Glenn: 1 Mono: 4 San Mateo: 74 Yuba: 6
Humboldt: 15 Monterey: 52 Santa Barbara: 59
Inyo: 1 Napa: 23 Santa Clara: 18
Kern: 1 Nevada: 14 Santa Cruz: 34

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/23/2024).