Solheim, Mycofl. Saximont. Exs., Cent. 1-7
Solheim, W.G. [1-700]
IndExs #236315131

Cornell University Plant Pathology Herbarium
Catalog #: Solh.,M.Sax.E.0113
s.n.
Erysiphe polygoni DC.

University of California Berkeley, University Herbarium
Catalog #: UC653077
A. Nelson #10035 00 September 1920
Erysiphe polygoni DC.
USA, Wyoming, Albany, Leroy's Bridge, Laramie

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP34112
Aven Nelson s.n. 00 September 1920
Erysiphe polygoni DC.
United States, Wyoming, Albany, Leroy's Bridge, Laramie

Purdue University, Kriebel Herbarium
Catalog #: PUL00026066
Aven Nelson s.n. 00 September 1920
Erysiphe polygoni DC.
United States, Wyoming, Albany, Laramie; Leroy's Bridge

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0016009
Aven Nelson #10035 00 September 1920
Erysiphe polygoni DC.
United States, Wyoming, Laramie; Leroy's Bridge

USDA United States National Fungus Collections
Catalog #: BPI 761483
Nelson, Aven #10035 00 September 1920
Erysiphe polygoni DC.
United States, Wyoming, Laramie Leroy's Bridge