Mycotheca Generalis #1440
F. Petrak [1-2100]
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP18917
F. Petrak s.n. 00 May 1924
Mycosphaerella cirsii-arvensis Petr.
Czech Republic, Mahren: Cernotin bei Maehren-Weisskirchen
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USDA United States National Fungus Collections
Catalog #: BPI 992510
Petrak F. s.n. 00 May 1924
Mycosphaerella cirsii-arvensis Petr.
Czech Republic, Moravia, Cernotin, near Hranice (Maehr.-weisskirchen)
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USDA United States National Fungus Collections
Catalog #: BPI 607681
Petrak F. s.n. 00 May 1924
Mycosphaerella cirsii-arvensis Petr.
Czechoslovakia, Moravia, Cernotin, near Hranice (Maehr.-weisskirchen)
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