Mycotheca Generalis #776
F. Petrak [1-2100]
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP17544
F. Petrak s.n. 00 August 1940
Septoria betulae Pass.
Czech Republic, Mahren: Usti bei Mahr.-Weisskirchen (Morovia)
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USDA United States National Fungus Collections
Catalog #: BPI 377228
Petrak F. s.n. 00 August 1940
Septoria betulae (Lib.) Westend.
Czechoslovakia, Moravia, Usti, near Hranice (Maehr.-weisskirchen)
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USDA United States National Fungus Collections
Catalog #: BPI 991846
Petrak F. s.n. 00 August 1940
Septoria betulae (Lib.) Westend.
Czech Republic, Moravia, Usti, near Hranice (Maehr.-weisskirchen)
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