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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00331
s.n.
Podosphaera oxyacanthae (DC.) de Bary

USDA United States National Fungus Collections
Catalog #: BPI 948038
s.n.
Podosphaera oxyacanthae (DC.) de Bary
United States, California

Michigan State University Herbarium
Catalog #: MSC0212971
H. E. Parks s.n. 00 November 1931
Podosphaera oxyacanthae (DC.) de Bary
United States, California, Humboldt, Trinidad to Big Lagoon

University of California Berkeley, University Herbarium
Catalog #: UC538765
H. E. Parks s.n. 00 November 1931
Podosphaera clandestina (Wallr.) Lév.
USA, California, Humboldt, Trinidad to Big Lagoon

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000281532
H. E. Parks #331 00 November 1931
Podosphaera oxyacanthae (DC.) de Bary
United States, California, Humboldt, Trinidad to Big Lagoon

Field Museum of Natural History
Catalog #: C0286168F
02f75b38-ec30-4557-a053-adadecc4dee2
H. E. Parks #s.n. 00 November 1931
Podosphaera oxyacanthae (DC.) de Bary (DC.) de Bary
U.S.A., California, Humboldt, Trinidad; Trinidad, Trinidad to Big Lagoon

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00008866
Harold E. Parks s.n. 00 November 1931
Podosphaera oxyacanthae (DC.) de Bary
USA, California, Humboldt, Trinidad to Big Lagoon

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0027061
Parks, H. E. #s.n. 00 November 1931
Podosphaera oxyacanthae (DC.) de Bary
United States, California, Humboldt, Trinidad to Big Lagoon