Distribution: Occurring east of the Cascades crest in Washington; south-central Washington to northern Oregon; also in eastern North America.
Habitat: Wet pastures and ditches.
Flowers: May-July
Origin: Introduced from Eurasia and northern Africa
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Juncus inflexus ssp. inflexus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Juncus inflexus ssp. inflexus checklist entry
OregonFlora: Juncus inflexus ssp. inflexus information
E-Flora BC: Juncus inflexus ssp. inflexus atlas page
CalPhotos: Juncus inflexus ssp. inflexus photos