Distribution: Washington; Oregon, northern California, northern Idaho, western Montana, southern Alaska, Maine, Vermont, New Hampshire; British Columbia, Alberta, Quebec.
Habitat: Cool coastal areas and moist inland sites.
Substrate: On conifers.
Conservation Status: Not of concern
Thallus pendent, pale yellowish-green; branches sometimes flattened at axils; apothecia brown.
PNW Herbaria: Specimen records of Alectoria sarmentosa in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Alectoria sarmentosa photos