This name is a synonym of Symphyotrichum oolentangiense (Riddell) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 6B13ECED-AD9F-4064-A303-E97CF46A5705) with original publication details: Rhodora 51 95 1949.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23108-2.
This name was in version 1 of The Plant List, record gcc-69840.