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

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP23507
Brenckle; Stevens s.n. 01 June 1927
Peronospora parasitica (Persoon) de Bary
United States, South Dakota, Spink, Northville