Distribution: Washington; Alaska, southern Oregon, northern California; British Columbia.
Habitat: Coastal forests.
Conservation Status: Not of concern
Thallus nonsorediate, lobes mostly under 0.8 mm in width, often exhibiting black dots (buried pycnidia); Apothecia brown and abundant, up to 15 mm in diameter.
PNW Herbaria: Specimen records of Cavernularia lophyrea in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Cavernularia lophyrea photos