Mycotheca Generalis #234
F. Petrak [1-2100]
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP18101
F. Petrak s.n. 00 April 1936
Didymosphaeria petrakiana Sacc.
Czech Republic, Mahren: Cernotin by Mahr.- Wiesskirchen
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USDA United States National Fungus Collections
Catalog #: BPI 991309
Petrak F. s.n. 00 April 1936
Didymosphaeria petrakiana Sacc.
Czech Republic, Moravia, Cernotin, near Hranice (Maehr.-weisskirchen)
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USDA United States National Fungus Collections
Catalog #: BPI 617951
Petrak F. s.n. 00 April 1936
Didymosphaeria petrakiana Sacc.
Czechoslovakia, Moravia, Cernotin, near Hranice (Maehr.-weisskirchen)
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