Negrean, Herb. Mycol. Roman.G. Negrean [3001-3150]
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USDA United States National Fungus Collections
Catalog #: BPI 1023413
G. Negrean #s.n. 18 September 1982
Erysiphe polygoni DC.
Ukraine, Distr. Tulcea, Sfantu-Gheorghe, Grindul Saraturile
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