Mycotheca Generalis #508
F. Petrak [1-2100]
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP18384
F. Petrak s.n. 00 April 1934
Cryptospora betulae Tul. & C. Tul.
Czechoslovakia, Skalicka by Mahr.-Weisskirchen
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USDA United States National Fungus Collections
Catalog #: BPI 991583
Petrak F. s.n. 00 April 1934
Cryptospora betulae Tul. & C. Tul.
Czech Republic, Moravia, Skalicka, near Hranice (Maehr.-weisskirchen)
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USDA United States National Fungus Collections
Catalog #: BPI 629134
Petrak F. s.n. 00 April 1934
Cryptospora betulae Tul. & C. Tul.
Czechoslovakia, Moravia, Skalicka, near Hranice (Maehr.-weisskirchen)
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