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 5612E8C8-6581-4B77-BDA9-29F1AA868744) with original publication details: 192 1856.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23604-2.
This name was in version 1 of The Plant List, record gcc-22664.