Mycotheca Generalis #331
F. Petrak [1-2100]
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP18198
F. Petrak s.n. 00 May 1936
Mycosphaerella corylaria (Wallroth) Sydow
Czech Republic, Maehren: Cernotin bei Maehr-Weisskirchen
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USDA United States National Fungus Collections
Catalog #: BPI 607859
Petrak F. s.n. 00 May 1936
Mycosphaerella corylaria (Wallr.) Syd.
Czechoslovakia, Moravia, Cernotin near Hranice (Maehr.-weisskirchen)
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USDA United States National Fungus Collections
Catalog #: BPI 991406
Petrak F. s.n. 00 May 1936
Mycosphaerella corylaria (Wallr.) Syd.
Czech Republic, Moravia, Cernotin near Hranice (Maehr.-weisskirchen)
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