This name is a synonym of Eurybia hemispherica (Alexander) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 92658574-2737-4E08-91AD-79012EF54816) with original publication details: 1391 1933.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23535-2.
This name was in version 1 of The Plant List, record gcc-85594, and has not been changed.