This name is a synonym of Symphyotrichum laeve (L.) Á.Löve & D.Löve.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 4F729956-148B-48D6-A218-40133B305798) with original publication details: 286 1832.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:180844-1.
This name was in version 1 of The Plant List, record gcc-34575.