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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.1862
s.n.
Erysiphe R. Hedw. ex DC.

USDA United States National Fungus Collections
Catalog #: BPI 1019243
s.n.
Erysiphe cichoracearum DC.
Romania

Purdue University, Kriebel Herbarium
Catalog #: PUL00028689
G Negrean s.n. 08 August 1970
Erysiphe cichoracearum DC.
Romania, Bucuresti;