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

USDA United States National Fungus Collections
Catalog #: BPI 563399
Negrean G. s.n. 28 September 1979
Erysiphe heraclei DC.
Romania, Dolj District, Ciupercenii Noi, Lacul Arceru