Distribution: Occurring chiefly west of the Cascades crest and east in the Columbia River Gorge in Washington; Alaska to California, east to Idaho and Montana, also in eastern North America.
Habitat: Riparian zones, roadsides, meadows, ditches, and other disturbed areas generally at low elevations.
Flowers: July-September
Origin: Introduced from eastern Asia
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, wasps
[none provided]
Publication: Bot. J. Linn. Soc. 98: 369. 1988.
PNW Herbaria: Specimen records of Fallopia sachalinensis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Fallopia sachalinensis checklist entry
OregonFlora: Fallopia sachalinensis information
E-Flora BC: Fallopia sachalinensis atlas page
CalPhotos: Fallopia sachalinensis photos
