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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2624
s.n.
Bremia lactucae Regel

USDA United States National Fungus Collections
Catalog #: BPI 1006336
s.n.
Bremia lactucae Regel
Romania

University of Michigan Herbarium
Catalog #: 335380
G. Negrean #s. n. 19 August 1977
Bremia lactucae Regel
Romania, Satu-Mare, Dindesti, Valea Taul Morii