C. Roumeguere [1-7400]

USDA United States National Fungus Collections
Catalog #: BPI 1014862
s.n.
Erysiphe communis (Wallr.) Schltdl.

USDA United States National Fungus Collections
Catalog #: BPI 1010402
s.n.
Erysiphe communis (Wallr.) Schltdl.

University of Illinois Herbarium
Catalog #: ILL00216844
Leg. Gabriel. Comm. Feuilleaubois 817 s.n. 00 June 1886
Erysiphe communis var. geraniacearum
France, (Eure-et Loire), Chartres,