Ellis & Everhart, N. Amer. Fungi. Ser. II
J.B. Ellis ; B.M. Everhart [1501-3600, plus extras]

University of Illinois Herbarium
Catalog #: ILL00100595
CF Baker s.n. 00 September 1894
Erysiphe cichoracearum DC.
United States, Colorado, Larimer, Fort Collins; Fort Collins