Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Shores, railroads, salted roadsides, vernal pools, ditches.
Flowers: May-July
Origin: Introduced from Europe
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Juncus compressus in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Juncus compressus checklist entry.
OregonFlora: Juncus compressus information.
E-Flora BC: Juncus compressus atlas page.
CalPhotos: Juncus compressus photos.
USDA Plants: Juncus compressus information.