Distribution: West of Cascades crest in Washington; coastal Oregon and northern California; coastal British Columbia.
Habitat: Lower salt-spray zone.
Substrate: Maritime rock.
Conservation Status: Not of concern
Thallus yellow-orange, squamulose to areolate, areoles discrete to 0.4 mm in diameter, commonly constricted at the base, with conspicuous yellow-orange prothallus; Apothecia common, to 1.1 mm in diameter.
PNW Herbaria: Specimen records of Caloplaca flavogranulosa in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Caloplaca flavogranulosa photos