Distribution: Washington; northern British Columbia to southern California, Idaho, Montana.
Habitat: In shade or sun.
Substrate: Trees of all kinds, rarely on rock walls.
Conservation Status: Not of concern
Thallus with dichotomously branched branches to 70 mm in length, 2-4 mm in width. Upper surface pale greenish yellow, lower surface very pale to white.
PNW Herbaria: Specimen records of Evernia prunastri in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Evernia prunastri photos