F.V. Bucholtz [1-700]

Cornell University, Plant Pathology Herbarium
Catalog #: F.rossici-0539
s.n.
Erysiphe polygoni DC.
Russia

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP2415
I. Matwejew s.n. 06 July 1914
Erysiphe polygoni DC.
Latvia, Livonia, Cremon