ERIGERON ASPERUGINEUS (D. C. Eaton) Gray, Proc. Am. Acad. 16 : 91. 1882.
_Aster asperugineus D. C. Eaton, I3ot. King's Exp. 142. 1871. This species was collected at Melrose, Mont., July 6,1893, no.
2823.