Mycotheca Generalis #226
F. Petrak [1-2100]
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP18093
F. Petrak s.n. 00 September 1928
Cercospora rhamni Fuckel
Czechoslovakia, Svrcow bei Mahr. WeBkirchen
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USDA United States National Fungus Collections
Catalog #: BPI 991301
Petrak F. s.n. 00 September 1928
Cercospora rhamni Fuckel
Czech Republic, Moravia (Maehren), Svrcow, near Hranice (Maehr.-weisskirchen)
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USDA United States National Fungus Collections
Catalog #: BPI 440340
Petrak F. s.n. 00 September 1928
Cercospora rhamni Fuckel
Czechoslovakia, Moravia (Maehren), Svrcow, near Hranice (Maehr.-weisskirchen)
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