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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 Inyo: 1 Sacramento: 5 Sierra: 1
Alpine: 1 Kern: 2 San Benito: 72 Siskiyou: 13
Amador: 3 Lake: 4 San Bernardino: 4 Solano: 2
Butte: 65 Marin: 51 San Diego: 10 Sonoma: 43
Calaveras: 2 Mariposa: 4 San Francisco: 3 Stanislaus: 2
Colusa: 2 Mendocino: 36 San Joaquin: 5 Tehama: 6
Contra Costa: 20 Monterey: 29 San Luis Obispo: 23 Trinity: 17
Del Norte: 16 Napa: 14 San Mateo: 56 Tulare: 6
El Dorado: 17 Nevada: 11 Santa Barbara: 3 Tuolumne: 7
Fresno: 17 Placer: 5 Santa Clara: 14 Ventura: 4
Glenn: 1 Plumas: 14 Santa Cruz: 20 Yuba: 9
Humboldt: 50 Riverside: 10 Shasta: 14

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: 05/17/2024).