C. Roumeguere [1-7400]

Cornell University Plant Pathology Herbarium
Catalog #: Roum.,F.Gallici-1770
s.n.
Oidium erysiphoides Fr.
France

University of Illinois Herbarium
Catalog #: ILL00102815
s.n.
Oidium ery. f. valerianae
Belgique, Malmédy,

USDA United States National Fungus Collections
Catalog #: BPI 1014219
s.n.
Oidium erysiphoides Fr.

USDA United States National Fungus Collections
Catalog #: BPI 1008432
s.n.
Oidium erysiphoides Fr.