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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2212
s.n.
Plasmopara densa (Rabenhorst) J. Schröter

USDA United States National Fungus Collections
Catalog #: BPI 1019594
s.n.
Plasmopara densa (Rabenh.) J. Schröt.
Romania

Purdue University, Kriebel Herbarium
Catalog #: PUL00028640
G Negrean s.n. 16 August 1972
Plasmopara densa (Rabenhorst) J. Schröter
Romania, Buzau, Siriu; valea Izvorul Bradului

University of Michigan Herbarium
Catalog #: 336527
G. Negrean #s. n. 16 August 1972
Plasmopara densa (Rabenhorst) J. Schröter
Romania, Jud. Buzău, Siriu, valea Izvorul Bradului.