Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0073532
s.n.
Microdiplodia quercicola Petr.
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USDA United States National Fungus Collections
Catalog #: BPI 370675
Petrak F. s.n. 09 January 1919
Microdiplodia quercicola Petr.
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Ludina Brook
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