Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Great Plains, Great Lakes region, and eastern Canada.
Habitat: Shores of ponds and streams, wet meadows, fens, seeps, and ditches from low to high elevations in the mountains.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Juncus ensifolius in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Juncus ensifolius checklist entry.
OregonFlora: Juncus ensifolius information.
E-Flora BC: Juncus ensifolius atlas page.
CalPhotos: Juncus ensifolius photos.
USDA Plants: Juncus ensifolius information.