Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0083323
s.n.
Sporonema quercicolum C. Massal.
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USDA United States National Fungus Collections
Catalog #: BPI 393113
Petrak F. s.n. 06 January 1919
Sporonema quercicola C. Massal.
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Ludinabrook
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