C. Roumeguere [1-7400]

Cornell University Plant Pathology Herbarium
Catalog #: Roum.,F.Gallici-2558
s.n.
Erysiphe horridula (Wallr.) Rabenh.
France

USDA United States National Fungus Collections
Catalog #: BPI 1009218
s.n.
Erysiphe horridula (Wallr.) Rabenh.

University of Illinois Herbarium
Catalog #: ILL00103623
Feuilleaubois 53 s.n. 00 September 1852
Erysiphe horridula (Wallr.) Rabenh.
France, (Seine), Varenne Saint-Hilaire,