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-0316
s.n.
Sphaerotheca humuli (DC.) Burrill

Field Museum of Natural History
Catalog #: C0258042F
W. Migula #s.n. 00 July 1927
Sphaerotheca humuli (DC.) Burrill
Germany, Bavaria, Oberallgäu, Oberstdorf; Oberstdorf, Moorbad, Allgäuer Alps