Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
s.n.
Oidium leucoconium Desm.
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USDA United States National Fungus Collections
Zimmermann H. s.n. 00 September 1913
Oidium leucoconium Desm.
Czechoslovakia, Moravia, Lednice (Eisgrub)
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