M. Raciborski and B. Namyslowski [1-200]
Cornell University Plant Pathology Herbarium
Catalog #: Myco.Polonica-0109
s.n.
Erysiphe urticae (Wallr.) S. Blumer
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USDA United States National Fungus Collections
s.n.
Peronospora effusa (Grev.) Rabenh.
Poland
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USDA United States National Fungus Collections
Wroblewski, Zb. Antoni s.n. 12 May 1910
Peronospora effusa f. typica
Poland, Zaleszczyki, Dniestrem
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