This name is a synonym of Dieteria canescens (Pursh) Nutt..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 512AEE69-1B92-4807-95F8-DA312325F839) with original publication details: Syn. Fl. N. Amer. 1(2) 206 1884.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23179-2.
This name was in version 1 of The Plant List, record gcc-67806.