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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00683
s.n.
Polyporus leucospongia Cooke

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0010214
Gibbons, Mary S. #s.n. 30 June 1942
Polyporus leucospongia Cooke
United States, California, Fresno, Badger Flat

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000150086
M. S. Gibbons #683 30 June 1942
Polyporus leucospongia Cooke
USA, California, Fresno, Badger Flat.

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0097627
M.S. Gibbons #s.n. 30 June 1942
Polyporus leucospongia Cooke
USA, California, Fresno, Badger Flat

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00011800
Mary S. Gibbons s.n. 30 June 1942
Polyporus leucospongia Cooke
USA, California, Fresno, Badger Flat

University of Illinois Herbarium
Catalog #: ILL00063496
Mary S. Gibbons #s.n. 30 June 1942
Polyporus leucospongia Cooke
USa, California, Fresno, Badger Flat; Badger Flat