C. Roumeguere [1-7400]

Cornell University Plant Pathology Herbarium
Catalog #: Roum.,F.Gallici-1934
s.n.
Erysiphe communis var. cichoracearum Link
France

USDA United States National Fungus Collections
Catalog #: BPI 1008597
s.n.
Erysiphe communis (Wallr.) Schltdl.

University of Illinois Herbarium
Catalog #: ILL00102983
P.V.A.Feuillenbois s.n. 14 August 1880
Erysiphe communis f.taraxaci
France, (St. Hilaire), St. Hilaire,