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 B031A289-39D7-48CB-90B0-0FBACFE3EBFB) with original publication details: 86 .
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:24142-2.
This name was in version 1 of The Plant List, record gcc-8444.