C. Roumeguere [1-7400]

University of Illinois Herbarium
Catalog #: ILL00102576
s.n.
Erysiphe communis forma tragopogonis
France, Malmédy,

USDA United States National Fungus Collections
Catalog #: BPI 1008202
s.n.
Erysiphe communis (Wallr.) Schltdl.