Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0073984
s.n.
Omphalospora melaena (Fr.) Höhn.
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USDA United States National Fungus Collections
Catalog #: BPI 643582
Petrak F. s.n. 21 June 1924
Omphalospora melaena (Fr.) Höhn.
Czechoslovakia, Hranice (Maehr.-weisskirchen), Skalicka
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