M. Raciborski and B. Namyslowski [1-200]

Cornell University Plant Pathology Herbarium
Catalog #: Myco.Polonica-0008
s.n.
Pseudoperonospora Rostovzev

USDA United States National Fungus Collections
Catalog #: BPI 1001495
s.n.
Ustilago nuda (C.N. Jensen) Kellerm. & Swingle
Poland

University of Michigan Herbarium
Catalog #: 336700
J. Kochman #s. n. 01 June 1958
Pseudoperonospora cannabina (G.H. Otth) Curzi
Poland, Powsinek prope Warszawa.

USDA United States National Fungus Collections
Catalog #: BPI 164147
Wisniewski Zb. P. s.n. 19 August 1909
Ustilago nuda (C.N. Jensen) Kellerm. & Swingle
USSR, (formerly Poland) Dublyany