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

University of California Berkeley, University Herbarium
Catalog #: UC1139355
H. E. Parks #3523 00 September 1930
Microsphaera symphoricarpi Howe
USA, California, Alameda, Strawberry Canyon, Berkeley.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0024464
H.E. Parks #3523 00 September 1930
Microsphaera diffusa Cooke & Peck
United States, California, Alameda, Strawberry Canyon

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00008753
Harold E. Parks s.n. 00 September 1930
Microsphaera diffusa Cooke & Peck
USA, California, Alameda, Berkeley; Strawberry Canyon

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00156229
Harold E. Parks #3523 00 September 1930
Microsphaera diffusa Cooke & Peck
United States, California, Alameda, Strawberry Canyon, Berkeley.

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.01051
L. Blake s.n.
Microsphaera diffusa Cooke & Peck