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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2265
s.n.
Erysiphe cichoracearum DC.

USDA United States National Fungus Collections
Catalog #: BPI 1019647
s.n.
Erysiphe cichoracearum DC.
Romania