Distribution: Occurring on both sides of the Cascades crest in Washington; Washington to Oregon and Nevada, east from the Rocky Mountains and northern Great Plains to the Altantic Coast.
Habitat: Dry, disturbed ground.
Flowers: June-September
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
Pollination: Bees, flies
[none provided]
PNW Herbaria: Specimen records of Polygonum erectum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Polygonum erectum checklist entry.
OregonFlora: Polygonum erectum information.
E-Flora BC: Polygonum erectum atlas page.
CalPhotos: Polygonum erectum photos.
USDA Plants: Polygonum erectum information.