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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.1856
s.n.
Erysiphe cichoracearum DC.

USDA United States National Fungus Collections
Catalog #: BPI 1019237
s.n.
Erysiphe cichoracearum DC.
Romania

Purdue University, Kriebel Herbarium
Catalog #: PUL00028683
G Negrean s.n. 16 November 1971
Erysiphe cichoracearum DC.
Romania, Tulcea, Sulina; Delta Dunarii