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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00886
s.n.
Erysiphe cichoracearum DC.

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP40917
J. P. Tracy s.n. 14 August 1934
Erysiphe cichoracearum DC.
United States, California, Humboldt, Alton

University of California Berkeley, University Herbarium
Catalog #: UC1029202
J. P. Tracy #13573 14 August 1934
Erysiphe sordida L. Junell
USA, California, Humboldt, Alton

Field Museum of Natural History
Catalog #: C0285286F
J.P. Tracy #13573 14 August 1934
Erysiphe cichoracearum DC.
USA, California, Humboldt, Alton;

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00008569
Joseph P. Tracy s.n. 14 August 1934
Erysiphe cichoracearum DC.
USA, California, Humboldt, Alton;

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00155882
Joseph P. Tracy #13573 14 August 1934
Erysiphe cichoracearum DC.
United States, California, Humboldt, Alton.

Michigan State University Herbarium
Catalog #: MSC0218949
Joseph P. Tracy #13573 14 August 1934
Erysiphe cichoracearum DC.
United States, California, Humboldt, Alton;