This name is a synonym of Symphyotrichum lanceolatum var. lanceolatum .
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record C9C5739A-E4EA-4E33-9CD0-FAC98C563661) with original publication details: 306 1783.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:181929-1.
This name was in version 1 of The Plant List, record gcc-142940.