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-0333
s.n.
Erysiphe polygoni DC.

Michigan State University Herbarium
Catalog #: MSC0252104
W. Migula s.n. 00 August 1930
Erysiphe polygoni DC.
Germany, Thuringia, Eisenach; Gut Gefilde

Field Museum of Natural History
Catalog #: C0285672F
W. Migula #s.n. 00 August 1930
Erysiphe polygoni DC.
Germany, Thuringia, Eisenach, Eisenach; Eisenach, Gut Gefilde