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 5F705770-273D-43BB-95F5-8C17E8171E37) with original publication details: 68 1832.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:181298-1.
This name was in version 1 of The Plant List, record gcc-94052.