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

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP23353
O. A. Stevens s.n. 30 August 1919
Claviceps purpurea sclerotium (Fr.) Tul
United States, North Dakota, near Fargo

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00047745
O. A. Stevens s.n. 30 August 1919
Claviceps purpurea (Fr.) Tul.
United States, North Dakota, Cass, Fargo;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000282638
O. A. Stevens #453 30 August 1919
Claviceps purpurea (Fr.) Tul.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0002208
O.A. Stevens #s.n. 30 August 1919
Claviceps purpurea (Fr.) Tul.
United States, North Dakota, near Fargo

Brown University Herbarium
Catalog #: CBRU00010882
OA Stevens s.n. 30 August 1919
Claviceps purpurea (Fr.) Tul.
United States, North Dakota, Cass, Fargo;

Purdue University, Kriebel Herbarium
Catalog #: PUL00023143
OA Stevens s.n. 30 August 1919
Claviceps purpurea (Fr.) Tul.
United States, North Dakota, Cass, Fargo;