C. Roumeguere [1-7400]

Cornell University Plant Pathology Herbarium
Catalog #: Roum.,F.Gallici-1376
s.n.
Erysiphe communis f. hyperici
France

USDA United States National Fungus Collections
Catalog #: BPI 1008040
s.n.
Erysiphe communis f. hyperici

University of Illinois Herbarium
Catalog #: ILL00102408
Letendre s.n.
Erysiphe communis hyperici
, Marais dela forêt du ----------