This name is a synonym of Symphyotrichum lanceolatum (Willd.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 0EB80672-7B4F-4C9E-8A91-4A72BAE3C70E) with original publication details: Phytologia 55 383 1984.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:923002-1.
This name was in version 1 of The Plant List, record gcc-40141.