C. Roumeguere [1-7400]

Cornell University Plant Pathology Herbarium
Catalog #: Roum.,F.Gallici-0885
s.n.
Erysiphe martii f. matronalis
France

USDA United States National Fungus Collections
Catalog #: BPI 1007549
s.n.
Erysiphe martii Lév.

University of Illinois Herbarium
Catalog #: ILL00101899
Feuilleabois s.n. 00 June 1880
Erysiphe martii Lév.
France, La Verenne près de Paris,