This name is a synonym of Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 3331BFB1-79A6-44B3-8D2F-5D345E9F2798) with original publication details: 242 1836.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:311661-2.
This name was in version 1 of The Plant List, record gcc-50260.