This name is a synonym of Eurybia macrophylla (L.) Cass..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record B12990E7-D252-4E50-8930-2AB43CDE6101) with original publication details: Amer. Midl. Naturalist 26 405 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23730-2.
This name was in version 1 of The Plant List, record gcc-73887.