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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.01276
s.n.
Microdiplodia hosackiae (Cooke & Harkn.) Bonar

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP58283
L. Bonar s.n. 21 April 1960
Microdiplodia hosackiae (Cooke & Harkn.) Bonar
United States, California, Contra Costa, along roadway, 1/3 miles below south gate, Mount Diablo State Park

University of California Berkeley, University Herbarium
Catalog #: UC1402986
L. Bonar s.n. 21 April 1960
Microdiplodia hosackiae (Cooke & Harkn.) Bonar
USA, California, Contra Costa, Along roadway, 1.3 miles below south gate, Mt. Diablo State Park.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0023936
Lee Bonar #s.n. 21 April 1960
Microdiplodia hosackiae (Cooke & Harkn.) Bonar
United States, California, Contra Costa, Along roadway, 1.3 miles below south gate, Mt. Diablo State Park