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-0076
s.n.
Peronospora effusa (Greville) Rabenhorst

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253086
I. E. Weiss s.n. 00 November 1903
Peronospora effusa (Greville) Rabenhorst
Germany, Freising; Baiern

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000274538
I. E. Weiss #76 00 November 1903
Peronospora effusa (Grev.) Rabenh.
Germany, Bavaria, Freising

Academy of Natural Sciences of Drexel University
Catalog #: PH00314425
I. E. Weiss #s.n. 00 November 1903
Peronospora farinosa (Fr.) Fr.
Germany, Baiern

USDA United States National Fungus Collections
Catalog #: BPI 788365
Weiss, I. E. s.n. 00 November 1903
Peronospora effusa (Grev.) Rabenh.
Germany, Bavaria, Freising