This name is a synonym of Symphyotrichum dumosum (L.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record AF0BFEA8-8E31-4EDA-A253-89DEE1C56237) with original publication details: 128 1841.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23344-2.
This name was in version 1 of The Plant List, record gcc-57858.