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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00262
s.n.
Erysiphe aggregata Farl.

University of California Berkeley, University Herbarium
Catalog #: UC439482
H. E. Parks s.n. 10 August 1924
Erysiphe aggregata Farl.
USA, California, Humboldt, Van Duzen River

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00051896
H. E. Parks and J. P. Tracy s.n. 10 August 1924
Erysiphe aggregata Farl.
United States, California, Humboldt, Van Duzen River

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP2159
H. E. Parks; J. P. Tracy s.n. 10 August 1924
Erysiphe aggregata Farl.
United States, California, Humboldt, Van Duzen River

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0083619
H.E. Parks s.n. 10 August 1924
Erysiphe aggregata Farl.
USA, California, Humboldt, Van Duzen River

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0014826
H.E. Parks #s.n. 10 August 1924
Erysiphe aggregata Farl.
United States, California, Humboldt, Van Duzen River

Field Museum of Natural History
Catalog #: C0285100F
H.E. Parks #s.n. 10 August 1924
Erysiphe aggregata Farl.
USA, California, Humboldt, Van Duzen River

Michigan State University Herbarium
Catalog #: MSC0212908
J. P. Tracy; H. E. Parks s.n. 10 August 1924
Erysiphe aggregata Farl.
United States, California, Humboldt, Van Duzen River