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

Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.1786
s.n.
Erysiphe trifolii Grev.

USDA United States National Fungus Collections
Catalog #: BPI 1019167
s.n.
Erysiphe trifolii Grev.
Romania

Purdue University, Kriebel Herbarium
Catalog #: PUL00027954
O Constantinescu s.n. 27 July 1965
Erysiphe trifolii Grev.
Romania, Brasov, Magurele;