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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.01309
s.n.
Ramalina homalea Ach.

USDA United States National Fungus Collections
Catalog #: BPI 949019
s.n.
Ramalina homalea Ach.
United States, California

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP58324
P. C. Hutchinson s.n. 05 February 1961
Ramalina homalea Ach.
United States, California, Sonoma, Stewarts Point, just south of Fisherman's Bay