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 21B42AF6-EBB6-454F-BD94-71A0C996E734) with original publication details: 58 1814.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:181920-1.
This name was in version 1 of The Plant List, record gcc-82251.