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 437936A3-8ABA-4AA2-9145-A1C7078BCDAF) with original publication details: 153 1936.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:180928-1.
This name was in version 1 of The Plant List, record gcc-103672.