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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00311
s.n.
Gnomonia alni Plowr.

Michigan State University Herbarium
Catalog #: MSC0212952
J. P. Tracy s.n. 12 October 1931
Gnomonia alni Plowr.
United States, California, Humboldt, Blue Slide on Van Duzen River

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000271134
J. P. Tracy #311 12 October 1931
Gnomonia alni Plowr.

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0011590
Tracy, Joseph P. #s.n. 12 October 1931
Gnomonia alni Plowr.
United States, California, Humboldt, Blue Slide on Van Duzen River, Humboldt County