C. Roumeguere [1-7400]

Cornell University Plant Pathology Herbarium
Catalog #: Roum.,F.Gallici-2452
s.n.
Erysiphe horridula (Wallr.) Rabenh.
France

USDA United States National Fungus Collections
Catalog #: BPI 1009112
s.n.
Erysiphe horridula (Wallr.) Rabenh.

University of Illinois Herbarium
Catalog #: ILL00103513
Leg. Gallet. Feuilleaubois 317 s.n. 00 September 1882
Erysiphe horridula f. lithospermi
France, (Eure-et-Loire), Dreux,