Distribution: Occurring along the Cascades crest in the Mount Adams area of Washington; southern Washington to California.
Habitat: Dry, rocky, open slopes or in ponderosa pine forests.
Flowers: May-July
Origin: Native
Conservation Status: Not of concern
Pollination: Bees, flies
[none provided]
PNW Herbaria: Specimen records of Calystegia atriplicifolia ssp. atriplicifolia in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Calystegia atriplicifolia ssp. atriplicifolia checklist entry
OregonFlora: Calystegia atriplicifolia ssp. atriplicifolia information
E-Flora BC: Calystegia atriplicifolia ssp. atriplicifolia atlas page
CalPhotos: Calystegia atriplicifolia ssp. atriplicifolia photos