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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00396
s.n.
Poria ferruginosa (Schrad.) P. Karst.

Michigan State University Herbarium
Catalog #: MSC0214034
H. E. Parks s.n. 19 February 1931
Poria ferruginosa (Schrad.) P. Karst.
United States, California, Marin, Inverness;

University of California Berkeley, University Herbarium
Catalog #: UC1887234
H. E. Parks #s.n. 19 February 1931
Fuscoporia ferruginosa (Schrad.) Murrill
USA, California, Marin, Inverness

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0016642
Parks, Harold Ernest #s.n. 19 February 1931
Poria ferruginosa (Schrad.) P. Karst.
United States, California, Marin, Inverness