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.

USDA United States National Fungus Collections
Catalog #: BPI 564949
Migula W. s.n. 00 August 1930
Erysiphe polygoni DC.
Germany, Thueringen, Eisenach

USDA United States National Fungus Collections
Catalog #: BPI 986851
Migula W. s.n. 00 August 1930
Erysiphe polygoni DC.
Germany, Thueringen, Eisenach

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

Field Museum of Natural History
Catalog #: C0285672F
abfd39de-d009-49b0-8401-eb360d0e19d2
W. Migula #s.n. 00 August 1930
Erysiphe polygoni DC. DC.
Germany, Thuringia, Eisenach; Eisenach, Eisenach, Gut Gefilde