Distribution: Occurring in southeastern Washington; widespread throughout western North America and into Texas.
Habitat: Dry slopes, meadows, grasslands, forest openings and outcroppings.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Threatened in Washington (WANHP)
Pollination: Bees, moths
[none provided]
PNW Herbaria: Specimen records of Oenothera cespitosa ssp. marginata in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Oenothera cespitosa ssp. marginata checklist entry
OregonFlora: Oenothera cespitosa ssp. marginata information
E-Flora BC: Oenothera cespitosa ssp. marginata atlas page
CalPhotos: Oenothera cespitosa ssp. marginata photos