P. Sydow [1-350]
Charles Gardner Shaw Mycological Herbarium, Washington State University
E. Mayor s.n. 00 September 1912
Peronospora pulveracea Fuckel
Switzerland, Neuchatel, Helvetia
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USDA United States National Fungus Collections
Mayor, E. s.n. 00 September 1912
Peronospora pulveracea Fuckel
Switzerland, Helvetia, Neuchatel
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