Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Idaho.
Habitat: Generally saline soil, damp dunes, salt marshes, swales, pools, and ditches.
Flowers: June-September
Origin: Introduced from Europe
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Juncus bufonius var. congestus in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Juncus bufonius var. congestus checklist entry.
OregonFlora: Juncus bufonius var. congestus information.
E-Flora BC: Juncus bufonius var. congestus atlas page.
CalPhotos: Juncus bufonius var. congestus photos.
USDA Plants: Juncus bufonius var. congestus information.