Distribution: Occurring on both sides of the Cascades crest in Washington; southern British Columbia to Oregon, east to the Atlantic Coast.
Habitat: Prairies, balds, forest edge, and other open areas generally at low elevations.
Flowers: May-September
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies
[none provided]
PNW Herbaria: Specimen records of Calystegia sepium in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Calystegia sepium checklist entry.
OregonFlora: Calystegia sepium information.
E-Flora BC: Calystegia sepium atlas page.
CalPhotos: Calystegia sepium photos.
USDA Plants: Calystegia sepium information.