F. Petrak [1-650]
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USDA United States National Fungus Collections
Catalog #: BPI 407838
Petrak F. s.n. 11 October 1917
Stegonsporium pyriforme (Hoffm.) Corda
USSR, formerly Poland Ukraine, Ivano-Frankovsk (Stanislau), near Volchinets? (Wolezyniec) Woods
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