Distribution: Occurring west of the Cascades crest in lowland western Washington; Washington to California.
Habitat: Thickets, fields, roadsides, shores, and other disturbed open areas at low elevations.
Flowers: May-August
Origin: Introduced from Europe
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Calystegia silvatica ssp. disjuncta in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Calystegia silvatica ssp. disjuncta checklist entry.
E-Flora BC: Calystegia silvatica ssp. disjuncta atlas page.
CalPhotos: Calystegia silvatica ssp. disjuncta photos.
USDA Plants: Calystegia silvatica ssp. disjuncta information.