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 0EAFB179-CADC-4368-9E51-D0E9FA44A407) with original publication details: Ill. Fl. N. U.S. 3 360 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23733-2.
This name was in version 1 of The Plant List, record gcc-66704.