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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2071
s.n.
Erysiphe galii S. Blumer

USDA United States National Fungus Collections
Catalog #: BPI 1019453
s.n.
Erysiphe galii S. Blumer
Romania

Purdue University, Kriebel Herbarium
Catalog #: PUL00028584
G Negrean s.n. 11 August 1973
Erysiphe galii S. Blumer
Romania, Buzau, Siriu; Muchia Teheraului