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 BA0F9DF5-056E-46F4-9F43-45EB1BB1F079) with original publication details: 466 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23402-2.
This name was in version 1 of The Plant List, record gcc-74613.