Ellis & Everhart, N. Amer. Fungi. Ser. II
J.B. Ellis ; B.M. Everhart [1501-3600, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 964410
Seymour, A.B. s.n. 00 July 1884
Peronospora entospora (Roze & Cornu) Berk. & Broome
United States, Illinois, Champaign