R. Thaxter ; D. Linder [1 - 1000]

Cornell University, Plant Pathology Herbarium
Catalog #: Rel.Farlow.0026
s.n.
Erysiphe polygoni DC.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0015799
W.G. Farlow #s.n. 00 September 1909
Erysiphe polygoni DC.
United States, New Hampshire, Chocorua;