This name is a synonym of Eurybia conspicua (Lindl.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 17D9472C-4FC1-48BD-BF0D-F876DC3F57B1) with original publication details: Proc. Amer. Acad. Arts 25 133 1890.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23457-2.
This name was in version 1 of The Plant List, record gcc-141906, and has not been changed.