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

Cornell University, Plant Pathology Herbarium
Catalog #: F.Dakotenses-0621
s.n.
Tylostoma mamosum

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP23544
O. A. Stevens s.n. 20 August 1926
Tylostoma mamosum
United States, North Dakota, Underwood

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00083492
O. A. Stevens s.n. 20 August 1926
Tylostoma mamosum
United States, North Dakota, Underwood;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0059482
O. A. Stevens #s.n. 20 August 1926
Tylostoma mamosum
United States, North Dakota, Underwood;

Brown University Herbarium
Catalog #: CBRU00011077
OA Stevens s.n. 20 August 1926
Tylostoma mamosum
United States, North Dakota, McLean, Underwood;

Purdue University, Kriebel Herbarium
Catalog #: PUL00023193
OA Stevens s.n. 20 August 1926
Tylostoma mamosum
United States, North Dakota, McLean, Underwood;