Constantinescu & Negrean, Herb. Mycol. Roman.
O. Constantinescu ; G. Negrean [1851-3000]

USDA United States National Fungus Collections
Catalog #: BPI 560725
Negrean G. s.n. 13 August 1978
Erysiphe cichoracearum DC.
Romania, Tulcea, Delta Dunarii, Sfistofca