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-0074
s.n.
Viburnum opulus

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0073633
s.n.
Microsphaera alni (DC.) G. Winter

Michigan State University Herbarium
Catalog #: MSC0253084
I. E. Weiss s.n. 00 October 1903
Microsphaera alni (DC.) G. Winter
Germany, Freising; Baiern

Academy of Natural Sciences of Drexel University
Catalog #: PH00315489
J.E. Weiss #s.n. 00 October 1902
Microsphaera sparsa Howe
Germany, Baiern, Freising