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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2623
s.n.
Bremia lactucae Regel

USDA United States National Fungus Collections
Catalog #: BPI 1006335
s.n.
Bremia lactucae Regel
Romania

University of Michigan Herbarium
Catalog #: 335401
G. Negrean #s. n. 12 October 1976
Bremia lactucae Regel
Romania, Distr. Vîlcea, Sălătrucel.