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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00395
s.n.
Polyporus schweinitzii Fr.

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0010061
Copeland, E. B. #s.n. 00 July 1931
Polyporus schweinitzii Fr.
United States, California, Butte, Vicinity of Jonesville.

Michigan State University Herbarium
Catalog #: MSC0214033
E. B. Copeland s.n. 00 July 1931
Polyporus schweinitzii Fr.
United States, California, Butte, Vicinity of Jonesville

University of Michigan Herbarium
Catalog #: 152318
E. B. Copeland #s. n. 00 July 1931
Polyporus schweinitzii Fr.
USA, California, Butte, Jonesville, vicinity of.

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0097839
E.B. Copeland #s.n. 00 July 1931
Polyporus schweinitzii Fr.
USA, California, Butte, Vicinity of Jonesville