F.V. Bucholtz [1-700]

Cornell University Plant Pathology Herbarium
Catalog #: F.rossici-0540
s.n.
Erysiphe polygoni DC.
Russia

USDA United States National Fungus Collections
Catalog #: BPI 947461
s.n.
Erysiphe polygoni DC.

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP2414
I. Matwejew s.n. 26 July 1914
Erysiphe polygoni DC.
Russia, Curonia, Schmarden

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0069146
I. Matwejew #s.n. 13 July 1914
Erysiphe polygoni DC.
Latvia, Curonia, Schmarden