Page author: David Giblin
Juncus occidentalis
western rush

Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge to Klickitat County in Washington; southwestern British Columbia to California and Mexico.

Habitat: Wet prairies, shores, springs, vernal pools, and ditches.

Flowers: June-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Wind


[none provided]

Accepted Name:
Juncus occidentalis (Coville) Wiegand
Publication: Bulletin of the Torrey Botanical Club. 27: 521. 1900.

Synonyms & Misapplications:
Juncus tenuis Willd. var. congestus Engelm. [HC]
Juncus tenuis Willd. var. occidentalis Coville
Additional Resources:

PNW Herbaria: Specimen records of Juncus occidentalis in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Juncus occidentalis checklist entry

OregonFlora: Juncus occidentalis information

E-Flora BC: Juncus occidentalis atlas page

CalPhotos: Juncus occidentalis photos

2 photographs:
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