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 A87E2D62-CEF1-447F-A068-CCC71C23B45C) with original publication details: 22 1818.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:182578-1.
This name was in version 1 of The Plant List, record gcc-122778.