Constantinescu & Negrean, Herb. Mycol. Roman.O. Constantinescu ; G. Negrean [1851-3000]
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USDA United States National Fungus Collections
Catalog #: BPI 559973
Negrean G. s.n. 14 October 1979
Erysiphe cichoracearum DC.
Romania, Tulcea District, Delta Dunarii, Padurea Letea
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