Taxon  Report   4484    
Juncus occidentalis  (Coville) Wiegand
Rush,  Slender juncus, Western rush
Juncus occidentalis
© 2007 Neal Kramer
Photos from
CalPhotos / Calflora
Juncus occidentalis
© 2007 Neal Kramer
Juncus occidentalis
© 2009 Neal Kramer
Juncus occidentalis, a monocot, is a perennial grasslike herb that is native to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations
Juncus occidentalis
© 2015 Neal Kramer
Genus: Juncus
Communities: wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN + PLANTS: Juncus tenuis var. congestus
ICPN: Juncus tenuis var. occidentalis
More information about  Juncus occidentalis
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 18, 2019).