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

Cornell University Plant Pathology Herbarium
Catalog #: CaliforniaF.00861
s.n.
Cercospora

University of Michigan Herbarium
Catalog #: 328364
J. P. Tracy #13279 01 July 1934
Cercospora gnaphaliacea Cooke
USA, California, Humboldt, Trinity River Valley opposite Willow Creek.

University of California Berkeley, University Herbarium
Catalog #: UC1029101
J. P. Tracy #13279 01 July 1934
Cercospora gnaphaliacea Cooke
USA, California, Humboldt, Trinity River Valley opposite Willow Creek; 41.185 -123.7075

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP40803
J.P. Tracey s.n. 01 July 1934
Cercospora gnaphaliacea Cooke
United States, California, Humboldt, Trinity River Valley opposite Willow Creek

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00173742
Joseph P. Tracy #13279 01 July 1934
Cercospora gnaphaliacea Cooke
United States, California, Humboldt, Trinity River Valley opposite Willow Creek

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0008263
Joseph P. Tracy #13279 01 July 1934
Cercospora gnaphaliacea Cooke
United States, California, Humboldt, Trinity River Valley opposite Willow Creek

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0218939
Joseph P. Tracy #13279 01 July 1934
Cercospora gnaphaliacea Cooke
United States, California, Humboldt, Trinity River Valley opposite willow Creek

USDA United States National Fungus Collections
Catalog #: BPI 948571
Joseph P. Tracy #13279 01 July 1934
Cercospora gnaphaliacea Cooke
United States, California, Humboldt, Trinity River Valley opposite Willow Creek

University of North Carolina at Chapel Hill Herbarium: Fungi
Catalog #: NCU-F-0026579
Tracy, Joseph P. #13279 01 July 1934
Cercospora gnaphaliacea Cooke
United States, California, Humboldt, Trinity River Valley opposite Willow Creek