C. Roumeguere [1-7400]

USDA United States National Fungus Collections
Catalog #: BPI 1013116
s.n.
Oidium erysiphoides Fr.

University of Illinois Herbarium
Catalog #: ILL00220641
F. Fautrey s.n. 00 July 1893
Oideum erysiphoides f. echii
France