Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
J. Petrak #s.n. 04 October 1914
Diaporthe cydoniicola Petr.
Czech Republic, Mähr-Weisskirchen: Mil-Oberrealschule
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USDA United States National Fungus Collections
Petrak J. s.n. 04 October 1914
Diaporthe cydoniicola Petr.
Czechoslovakia, Hranice (Maehr.-weisskirchen) Military School
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