Bontea & Constantinescu, Herb. Mycol. Roman.
V. Bontea ; O. Constantinescu [1751-1850]

Cornell University, Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.1798
s.n.
Sphaerotheca

Purdue University, Kriebel Herbarium
Catalog #: PUL00027966
I Comes and I Ene s.n. 05 September 1960
Sphaerotheca erigeronis canadensis
Romania, Oltenia