This name is a synonym of Symphyotrichum pilosum (Willd.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5E5A8139-FB4F-4894-9DE3-DF59DB578AA0) with original publication details: 124 1841.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23403-2.
This name was in version 1 of The Plant List, record gcc-68509.