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Taxon  Report  
Juncus effusus  L.  ssp. pacificus  (Fernald & Wiegand) Piper & Beattie
Pacific rush
Juncus effusus ssp. pacificus is a perennial grasslike herb that is native to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
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Bloom Period
Parent: Juncus effusus
Genus: Juncus
Family: Juncaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Communities: wetland-riparian

Name Status:
Accepted by JEF
Alternate Names:
JEFJuncus effusus var. pacificus
Information about  Juncus effusus ssp. pacificus from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

International Plants Names Index

Search efloras.org (Flora of North America)

Landscape information from Calscape

Consortium of California Herbaria 2


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/07/2023).