Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast.
Habitat: Roadsides, wastelots, and other disturbed areas.
Flowers: April-October
Origin: Introduced from Europe
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Polygonum aviculare ssp. depressum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Polygonum aviculare ssp. depressum checklist entry.
OregonFlora: Polygonum aviculare ssp. depressum information.
E-Flora BC: Polygonum aviculare ssp. depressum atlas page.
CalPhotos: Polygonum aviculare ssp. depressum photos.
USDA Plants: Polygonum aviculare ssp. depressum information.