Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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USDA United States National Fungus Collections
Catalog #: BPI 615132
Petrak F. s.n. 09 November 1912
Melanconis quercus Oudem.
Czechoslovakia, Hranice (Maehr.-weisskirchen) Military School Park
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