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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00632
s.n.
Erysiphe cichoracearum DC.

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP31459
H. E. Parks; J. P. Tracy s.n. 28 August 1941
Erysiphe cichoracearum DC.
United States, California, Humboldt, McKay Camp, South Fork Mountain

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP40027
H. E. Parks; J. P. Tracy s.n. 28 August 1941
Erysiphe cichoracearum DC.
United States, California, Humboldt, McKay Camp, South Fork Mountain

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0014884
H.E. Parks #11538 28 August 1941
Erysiphe cichoracearum DC.
United States, California, Humboldt, McKay Camp, South Fork Mountains

Field Museum of Natural History
Catalog #: C0285296F
H.E. Parks and J.P. Tracy #11538 28 August 1941
Erysiphe cichoracearum DC.
USA, California, Humboldt, McKay Camp, South Fork Mountain

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00008574
Harold E. Parks s.n. 28 August 1941
Erysiphe cichoracearum DC.
USA, California, Humboldt, McKay Camp, South Fork Mountain

University of Florida Herbarium
Catalog #: FLAS-F-41877
J. P. Tracy #11538 28 August 1941
Erysiphe cichoracearum DC.
United States, California, Humboldt, McKay Camp, South Fork Moutain

University of California Berkeley, University Herbarium
Catalog #: UC695727
J. P. Tracy #11538 28 August 1941
Erysiphe asperifoliorum Grev.
USA, California, Humboldt, McKay Camp, South Fork Mountain

Michigan State University Herbarium
Catalog #: MSC0214058
J. P. Tracy; H. E. Parks #11538 28 August 1941
Erysiphe cichoracearum DC.
United States, California, Humboldt, McKay Camp, South Fork Moutain