Rabenhorst, Fungi Eur. Exs.
G.L. Rabenhorst [1-2600]

USDA United States National Fungus Collections
Catalog #: BPI 998693
s.n.
Erysiphe communis (Wallr.) Schltdl.
Germany

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0018460
Oertel #s.n. 00 September 1875
Erysiphe communis f. ononidis Jacz.
Germany, Sachsen-Anhalt, Weissenfels