Distribution: Occurring east of the Cascades crest in northeastern Washington; southeastern British Columbia to northeastern Washington, east and south to Idaho, western Montana, Wyoming, and Colorado.
Habitat: Low elevation in marshes and wet meadows.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Review Group 1 in Washington (WANHP)
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Juncus vaseyi in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Juncus vaseyi checklist entry
OregonFlora: Juncus vaseyi information
E-Flora BC: Juncus vaseyi atlas page
CalPhotos: Juncus vaseyi photos