J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00066299
Prof. T. H. McBride s.n.
Polyporus pergamenus Fr.
United States, Iowa

University of California Berkeley, University Herbarium
Catalog #: UC151837
T. H. MacBride #s.n.
Trichaptum subchartaceum (Murrill) Ryvarden
USA, Iowa

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0220851
T. H. McBride s.n.
Polyporus pergamenus Fr.
United States, Iowa

Clemson University Herbarium
Catalog #: CLEMS-F0002359
T. H. McBride #312a
Polyporus pergamenus Fr.
United States, Iowa

University of Vermont, Pringle Herbarium, Macrofungi
Catalog #: UVMVT301077
T. H. McBride #s.n.
Polyporus pergamenus Fr.
United States, Iowa

Academy of Natural Sciences of Drexel University
Catalog #: PH00321984
T.H. McBride #s.n
Polyporus pergamens Fr.
United States, Iowa, locality data field empty

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0033075
T.H. McBride #s.n.
Polyporus pergamenus Fr.
United States, Iowa

Brown University Herbarium
Catalog #: CBRU00003587
TH McBride s.n.
Polyporus pergamenus Fr.
United States, Iowa, Story

Purdue University, Kriebel Herbarium
Catalog #: PUL00019113
TH McBride s.n.
Polyporus pergamens
United States, Iowa