Brenckle, Fungi Dakot.
J.F. Brenckle [1-675, plus extras]

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000213501
O. A. Stevens #508 00 September 1921
Fomes igniarius (L.) Cooke
USA, North Dakota, Cass, Fargo

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00053153
O. A. Stevens & Arthur Brenckle s.n. 00 September 1921
Fomes igniarius (L.) Cooke
United States, North Dakota, Fargo;

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP23426
O. A. Stevens; A. Brenckle s.n. 00 September 1921
Fomes igniarius (L.) Cooke
United States, North Dakota, Fargo

Brown University Herbarium
Catalog #: CBRU00010977
OA Stevens & Arthur Brenckle s.n. 00 September 1921
Fomes igniarius (L.) Cooke
United States, North Dakota, Cass, Fargo;

Purdue University, Kriebel Herbarium
Catalog #: PUL00023178
OA Stevens and A Brenckle s.n. 00 September 1921
Fomes igniarius (L.) Cooke
United States, North Dakota, Cass, Fargo;