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

Brown University Herbarium
Catalog #: CBRU00003608
J Dearness s.n.
Polyporus betulinus (Bull.) Fr.
Canada, Ontario, Wingham;

Purdue University, Kriebel Herbarium
Catalog #: PUL00019214
J Dearness s.n.
Polyporus betulinus (Bull.) Fr.
Canada, Ontario, Banks of Maitland River, near Wingham

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP5907
J. Dearness s.n.
Polyporus betulinus (Bull.) Fr.
Canada, Ontario, Banks of Maitland River, near Wingham

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00065933
J. Dearness s.n.
Polyporus betulinus (Bull.) Fr.
Canada, Banks of Maitland River, near Wingham

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0219692
J. Dearness s.n.
Polyporus betulinus (Bull.) Fr.
Canada, Banks of Maitland River, near Wingham

Clemson University Herbarium
Catalog #: CLEMS-F0002460
J. Dearness #1691
Polyporus betulinus (Bull.) Fr.
Canada, Banks of Maitland River, near Wingham; 43.888034 -81.328667

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000139606
J. Dearness #905
Polyporus betulinus (Bull.) Fr.
Canada, Ontario, banks of Maitland River, near Wingham.

Academy of Natural Sciences of Drexel University
Catalog #: PH00306239
J. Dearness #905
Polyporus betulinus (Bull.) Fr.
Canada, Ontario, Banks of Maitland River, near Wingham

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-0905
J. Dearness #NAF 1691
Polyporus betulinus (Bull.) Fr.
Canada, Banks of Maitland River, near Wingham

University of Vermont, Pringle Herbarium, Macrofungi
Catalog #: UVMVT300973
J. Dearness #s.n.
Polyporus betulinus (Bull.) Fr.
Canada, Ontario, Wingham; Banks of Maitland River, near Wingham

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0032990
J. Dearness #s.n.
Polyporus betulinus (Bull.) Fr.
Canada, Maitland River, near Wingham