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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00803
s.n.
Poria spissa (Schwein. ex Fr.) Cooke

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0033351
H. E. Parks #6750 00 February 1944
Poria spissa (Schwein. ex Fr.) Cooke
United States, California, Del Norte, Darlingtonia; Smith River

Michigan State University Herbarium
Catalog #: MSC0214121
S. T. and H. E. Parks #6750 00 February 1944
Poria spissa (Schwein. ex Fr.) Cooke
United States, California, Del Norte, Darlingtonia; Smith River