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

USDA United States National Fungus Collections
Catalog #: BPI 563393
Negrean G. s.n. 14 June 1979
Erysiphe heraclei DC.
Romania, Heywood District, Dolj Ciupercenii Vechi, Lacul Jdegla