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 762F7F38-578A-4CE0-BCB5-86DFB101BD8B) 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:23341-2.
This name was in version 1 of The Plant List, record gcc-57506.