Distribution: Occurring chiefly east of the Cascades crest in Washington; Washington south to California, east to the Rocky Mountains and southern Great Plains in the U.S.
Habitat: Sagebrush hills to mid elevations in the mountains, generally where moist.
Flowers: June-September
Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Oenothera elata in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Oenothera elata checklist entry.
E-Flora BC: Oenothera elata atlas page.
CalPhotos: Oenothera elata photos.
USDA Plants: Oenothera elata information.