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

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP67439
D.E. Baltzo s.n. 29 December 1977
Didymium iridis (Ditmar) Fries
United States, California, Contra Costa, Ahneita Drive, Pleasant Hill

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.01356
S. Pitt s.n.
Didymium iridis (Ditmar) Fries