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 D1BFC784-F32E-46BD-8DEE-E0DC98053FF9) with original publication details: 1047 1925.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23445-2.
This name was in version 1 of The Plant List, record gcc-68705.