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

University of Illinois Herbarium
Catalog #: ILL00082553
H. E. Parks #11510 28 August 1941
Phyllosticta ambrosiae Davis
United States, California, Trinity, South Fork Mountain at Trinity Highway

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0029685
H.E. Parks #11510 28 August 1941
Phyllosticta ambrosiae Davis
United States, California, Trinity, South Fork Mountain at Trinity Highway

University of Florida Herbarium
Catalog #: FLAS-F-44470
H.E. Parks #11510 28 August 1941
Phyllosticta ambrosiae Davis
United States, California, Trinity, South Fork Mountain at Trinity Highway

USDA United States National Fungus Collections
Catalog #: BPI 948625
H.E. Parks #11510 28 August 1941
Phyllosticta ambrosiae Davis
United States, California, Trinity, South Fork Mountain at Trinity Highway

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP40822
H.E. Parks; J.P. Tracy s.n. 28 August 1941
Phyllosticta ambrosiae Davis
United States, California, Trinity, South Fork Mountain at Trinity Highway

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0218967
H.E. Parks; J.P. Tracy #11510 28 August 1941
Phyllosticta ambrosiae Davis
United States, California, Trinity, South Fork Mountain at Trinity Highway

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00152323
Harold E. Parks; J. P. Tracy #11510 28 August 1941
Phyllosticta ambrosiae Davis
United States, California, Trinity, South Fork Mountain at Trinity Highway.

University of North Carolina at Chapel Hill Herbarium: Fungi
Catalog #: NCU-F-0027157
Parks, Harold Ernest #11510 28 August 1941
Phyllosticta ambrosiae Davis
United States, California, Trinity, South Fork Mountain at Trinity Highway