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-0062
s.n.
Erysiphe tortilis (Wallr.) Link

USDA United States National Fungus Collections
Catalog #: BPI 563884
Brunnthaler J. s.n. 01 September 1903
Erysiphe tortilis (Wallr.) Link
Germany, Nieder-Osterreich, Purbachgrabea, near Baden

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253072
I. Brunnthaler s.n. 00 September 1903
Erysiphe tortilis (Wallr.) Link
Austria, Lower Austria, Niederosterreich; Purbachgraben bei Baden

Academy of Natural Sciences of Drexel University
Catalog #: PH00315468
I. Brunnthaler #s.n. 00 September 1903
Erysiphe tortilis (Wallr.) Link
Austria, Niederosterreich, Purbachgraben bei Baden

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0069912
I. Brunnthaler #s.n. 01 September 1903
Erysiphe tortilis (Wallr.) Link
Austria, Lower Austria, Purbachgraben bei Baden