Calflora, a 501c3 non-profit
Distribution by County   4463    
Juncus effusus  L.  var. pacificus  Fernald & Wiegand

(not an active name)
Common rush,   Pacific bog rush,   Pacific rush
Juncus effusus var. pacificus is a perennial grasslike herb that is native to California.
also called Juncus effusus ssp. pacificus
Record Count by County

Alameda: 13 Kern: 2 Sacramento: 3 Sierra: 1
Alpine: 1 Lake: 4 San Benito: 72 Solano: 2
Amador: 3 Marin: 51 San Bernardino: 5 Sonoma: 42
Butte: 61 Mariposa: 4 San Diego: 10 Stanislaus: 2
Calaveras: 2 Mendocino: 35 San Francisco: 3 Tehama: 6
Colusa: 2 Monterey: 28 San Joaquin: 5 Trinity: 16
Contra Costa: 20 Napa: 14 San Luis Obispo: 23 Tulare: 6
El Dorado: 17 Nevada: 12 San Mateo: 58 Tuolumne: 7
Fresno: 16 Orange: 1 Santa Barbara: 3 Ventura: 3
Glenn: 1 Placer: 5 Santa Clara: 14 Yuba: 9
Humboldt: 41 Plumas: 13 Santa Cruz: 20
Inyo: 1 Riverside: 10 Shasta: 13

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: 11/21/2024).