M. Raciborski and B. Namyslowski [1-200]
USDA United States National Fungus Collections
s.n.
Sphaerotheca castagnei Lév.
Poland
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USDA United States National Fungus Collections
Raciborski M. s.n. 19 August 1909
Sphaerotheca humuli (DC.) Burrill
USSR, Dublany
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