This name is a synonym of Eurybia radulina (A.Gray) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record FCCE1DD4-91E0-445C-BA4C-E6B7BC4E8DFB) with original publication details: 68 1924.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23363-2.
This name was in version 1 of The Plant List, record gcc-133959, and has not been changed.