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

Cornell University, Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.1797
s.n.
Sphaerotheca

Purdue University, Kriebel Herbarium
Catalog #: PUL00027965
E Eliade s.n. 10 October 1966
Sphaerotheca erigeronis canadensis
Romania, Bucuresti; Gradina botanica