This name is a synonym of Eurybia avita (Alexander) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 02AF20A1-4727-44E8-B12B-3CB3B62544B4) with original publication details: Castanea 4 60 1939.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23104-2.
This name was in version 1 of The Plant List, record gcc-32738, and has not been changed.