F. Petrak [1-650]
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USDA United States National Fungus Collections
Catalog #: BPI 013849
Petrak F. s.n. 10 September 1917
Uromyces polygoni Peck
USSR, (formerly Poland) Stryj Wayside by River
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USDA United States National Fungus Collections
Catalog #: BPI 370035
Petrak F. s.n. 23 January 1918
Diplodia patellaris (Wallr.) Mont.
USSR, formerly Poland Ukraine, Ivano-Frankovsk (Stanislau), Chernyye Les? (Czarny Las), near Rybno
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