Migula, Krypt. Germ., Austr. Helv. Exs. [Pilze]
E.F.A.W. Migula [1-425]

Cornell University, Plant Pathology Herbarium
Catalog #: Mig.,C.G,A.H-0187
s.n.
Erysiphe R. Hedw. ex DC.

Michigan State University Herbarium
Catalog #: MSC0253196
Matouschek s.n. 00 September 1904
Erysiphe cichoriarum
Czech Republic, Jeschkengebirge;

Academy of Natural Sciences of Drexel University
Catalog #: PH00315431
Prof. Matouschek #s.n 00 September 1904
Erysiphe sordida L. Junell
Czech Republic, Nordbohmen, Jeschkengebirge