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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.1858
s.n.
Erysiphe cichoracearum DC.

USDA United States National Fungus Collections
Catalog #: BPI 1019239
s.n.
Erysiphe cichoracearum DC.
Romania

Purdue University, Kriebel Herbarium
Catalog #: PUL00028685
G Negrean s.n. 14 July 1970
Erysiphe cichoracearum DC.
Romania, Constanta, Hagieni;