Ellis, N. Amer. Fungi
J.B. Ellis [1 - 1500, plus extras]

Academy of Natural Sciences of Drexel University
Catalog #: PH00306561
H. Zwetsloot #s.n.
Polyporus obducens Berk. ex Bres.
USA, Pennsylvania, Chester, West Chester

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00066721
Haines s.n.
Poria obducens (Pers.) Cooke
United States, (a) West Chester, Pa. (b) Newfield, N. J.

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000213713
Haines #503
Poria medulla-panis f. medulla-panis (Jacq.) Pers.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0033066
Haines #a
Polyporus obducens Berk. ex Bres.
United States, Pennsylvania, West Chester;

University of Michigan Herbarium
Catalog #: 151078
Haines #s. n.
Polyporus obducens Berk. ex Bres.
USA, Pennsylvania, Chester, West Chester

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0016724
Haines & Everhart s.n.
Polyporus obducens Pers.
United States, Pennsylvania, Chester, West Chester;

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0016725
Haines & Everhart s.n.
Polyporus obducens Pers.
United States, New Jersey, Gloucester, Newfield;

Academy of Natural Sciences of Drexel University
Catalog #: PH00324150
J. B. Ellis #s.n.
Polyporus obducens Berk. ex Bres.
USA, New Jersey, Gloucester, Newfield