Distribution: West of Cascades crest in Washington; midwest and eastern United States with disjunct across New Mexico-Texas border.
Substrate: Mortar, cement, concrete and natural limestone.
Conservation Status: Not of concern
Thallus nearly imperceptible, dark grey to yellowish; Apothecia to 0.5 mm in diameter, crowded, dull orange to orange-brown with egg-yolk yellow margins.
PNW Herbaria: Specimen records of Caloplaca feracissima in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Caloplaca feracissima photos