Mycotheca Generalis #734
F. Petrak [1-2100]
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Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP17502
F. Petrak s.n. 00 August 1938
Ersyiphe nitida
Czechoslovakia, Moravia: Mahr.-Weisskirchen
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USDA United States National Fungus Collections
Catalog #: BPI 563705
Petrak F. s.n. 00 August 1938
Erysiphe nitida (Wallr.) Rabenh.
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen) Garden
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USDA United States National Fungus Collections
Catalog #: BPI 991809
Petrak F. s.n. 00 August 1938
Erysiphe nitida (Wallr.) Rabenh.
Czech Republic, Moravia, Hranice (Maehr.-weisskirchen) Garden
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