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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00771
s.n.
Erysiphe cichoracearum DC.

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP38996
J. P. Tracy s.n. 15 August 1948
Erysiphe cichoracearum DC.
United States, California, Humboldt, ridge east of Grove's Prairie, Trinity Summit

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP40091
J. P. Tracy s.n. 15 August 1948
Erysiphe cichoracearum DC.
United States, California, Humboldt, ridge east of Grove's Prairie, Trinity Summit

University of California Berkeley, University Herbarium
Catalog #: UC966350
J. P. Tracy #18129 15 August 1948
Erysiphe galii S. Blumer
USA, California, Humboldt, ridge east of Grove's Prairie, Trinity Summit

Field Museum of Natural History
Catalog #: C0285288F
J.P. Tracy #18129 15 August 1948
Erysiphe cichoracearum DC.
USA, California, Humboldt, Ridge E of Grove's Prairie, Trinity Summit

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0014885
Joseph P. Tracy #18129 15 August 1948
Erysiphe cichoracearum DC.
United States, California, Humboldt, Ridge east of Grove's Prairie, Trinity Summit