Mycotheca Generalis #641
F. Petrak [1-2100]
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP18518
F. Petrak s.n. 00 August 1940
Gloeosporidium betulae Fuckel
Germany, Skalicka bei Maehr.-Weisskirchen
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USDA United States National Fungus Collections
Catalog #: BPI 396268
Petrak F. s.n. 00 August 1940
Gloeosporidium betulae Fuckel
Czechoslovakia, Moravia, Skalicka, near Hranice (Maehr.-weisskirchen)
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USDA United States National Fungus Collections
Catalog #: BPI 991716
Petrak F. s.n. 00 August 1940
Gloeosporidium betulae Fuckel
Czech Republic, Moravia, Skalicka, near Hranice (Maehr.-weisskirchen)
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