Distribution: Occurring east of the Cascades crest in Washington, where known only from a historic collection (1935); British Columbia to Washington, also Nevada, scattered east across North America to the Atlantic Coast; circumboreal.
Habitat: Shores, dunes, alkaline marshes, and peatlands.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Review Group 1 in Washington (WANHP)
[none provided]
PNW Herbaria: Specimen records of Eleocharis uniglumis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Eleocharis uniglumis checklist entry
OregonFlora: Eleocharis uniglumis information
E-Flora BC: Eleocharis uniglumis atlas page
CalPhotos: Eleocharis uniglumis photos