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-0188
s.n.
Erysiphe martii Lév.

Michigan State University Herbarium
Catalog #: MSC0253197
W. Migula s.n. 00 June 1905
Erysiphe martii Lév.
Germany, Thuringia, Frauensee;

Academy of Natural Sciences of Drexel University
Catalog #: PH00315472
W. Migula #s.n 00 June 1905
Microsphaera trifolii (Grev.) U. Braun
Germany, Thuringia, Frauensee

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0069894
W. Migula #s.n. 00 June 1905
Erysiphe martii Lév.
Germany, Thuringia, Frauensee