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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0011745
J. F. Brenckle #s.n. 06 August 1928
Cercospora dubia (Riess.) Wint.
United States, South Dakota, Northville