Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Idaho, Utah, and Nevada.
Habitat: Vernal pools, streams and shores.
Flowers: May-July
Origin: Native
Growth Duration: Annual
Conservation Status: Threatened in Washington (WANHP)
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PNW Herbaria: Specimen records of Juncus hemiendytus var. hemiendytus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Juncus hemiendytus var. hemiendytus checklist entry
OregonFlora: Juncus hemiendytus var. hemiendytus information
E-Flora BC: Juncus hemiendytus var. hemiendytus atlas page
CalPhotos: Juncus hemiendytus var. hemiendytus photos