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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2054
s.n.
Erysiphe cichoracearum DC.

USDA United States National Fungus Collections
Catalog #: BPI 1019436
s.n.
Erysiphe cichoracearum DC.
Romania

Purdue University, Kriebel Herbarium
Catalog #: PUL00028773
G Negrean s.n. 15 September 1972
Erysiphe cichoracearum DC.
Romania, Saru Mare, Dindesti; Vales Ierului