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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2626
s.n.
Bremia lactucae Regel

USDA United States National Fungus Collections
Catalog #: BPI 1006338
s.n.
Bremia lactucae Regel
Romania

University of Michigan Herbarium
Catalog #: 335394
G. Negrean #s. n. 05 June 1977
Bremia lactucae Regel
Romania, Distr. Ilfov, Vadul Lat.