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 C6B0E285-EC97-44A2-A759-A6E6346D9242) with original publication details: Rhodora 35 35 1933.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:272835-2.
This name was in version 1 of The Plant List, record gcc-106038.