Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
F. Petrak #s.n. 00 July 1919
Marssonina thomasiana (Sacc.) Magnus
Czech Republic, Mähr Weisskirchen: [illeg.]
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USDA United States National Fungus Collections
Petrak F. s.n. 00 July 1919
Marssonina thomasiana (Sacc.) Magnus
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Svrcov
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