Anonymous, Calif. Fungi
Herbarium of the University of California. [1- ? 1425]

Cornell University Plant Pathology Herbarium
Catalog #: CaliforniaF.01325
s.n.
Xanthoria polycarpa (Hoffm.) Rieber

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP58352
Ronald Russo s.n. 22 January 1968
Xanthoria polycarpa (Hoffm.) Rieber
United States, California, Contra Costa, Grizzly Peak Boulevard, Tilden Regional Park, Berkeley Hills

USDA United States National Fungus Collections
Catalog #: BPI 949035
Ronald Russo #s.n. 22 January 1968
Xanthoria polycarpa (Hoffm.) Rieber
United States, California, Contra Costa, Grizzly Peak Boulevard, Tilden Regional Park, Berkeley Hills