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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00573
s.n.
Stereum heterosporum Burt

University of Cincinnati, Margaret H. Fulford Herbarium
Catalog #: CINC-F-0003277
Bonar, L. #573 27 March 1938
Stereum heterosporum Burt
United States, California, Contra Costa, Las Trampas Creek; Las Trampas Creek, near St. Mary's College

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0007351
Bonar, Lee #s.n. 27 March 1938
Stereum heterosporum Burt
United States, California, Contra Costa, Trampas Creek, near St. Mary's College, Contra Costa County.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0057387
L. Bonar #s.n. 27 March 1938
Stereum heterosporum Burt
United States, California, Contra Costa, Las Trampas Creek, near St. Mary's College

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00012360
Lee Bonar s.n. 27 March 1938
Stereum heterosporum Burt
USA, California, Contra Costa, Las Trampas Creek near St. Mary's College

University of Illinois Herbarium
Catalog #: ILL00070138
Lee Bonar #28746 27 March 1938
Stereum heterosporum Burt
USA, California, Contra Costa, Las Trampas, near St. Mary's College

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0119922
Lee Bonar #s.n. 27 March 1938
Stereum heterosporum Burt
USA, California, Contra Costa, Las Trampas Creek, near St. Mary's College