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

Cornell University, Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.1897
s.n.
Sphaerotheca fuliginea (Schltdl.) Pollacci

Purdue University, Kriebel Herbarium
Catalog #: PUL00028722
G Negrean s.n. 09 September 1970
Sphaerotheca fuliginea (Schltdl.) Pollacci
Romania, Bucuresti; Gradina botanica