This name is a synonym of Symphyotrichum novi-belgii (L.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record DD00451B-A615-4697-A3B3-F36F221D7EFF) with original publication details: Allg. Bot. Z. Syst. 19 112 1913.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23829-2.
This name was in version 1 of The Plant List, record gcc-71104.