Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
F. Petrak #s.n. 27 August 1924
Marssonina populi (Lib.) Magnus
Czech Republic, Mahr-Weisskirchen. Chorin
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USDA United States National Fungus Collections
Petrak F. s.n. 27 August 1924
Marssonina castagnei (Desm. & Mont.) Magnus
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Chorin
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