This name is a synonym of Symphyotrichum subulatum var. ligulatum (Shinners) S.D.Sundb..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 7D1B0EB5-DA75-4CD5-BF7E-062AFAB2EC0A) with original publication details: 344 1823.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:181183-1.
This name was in version 1 of The Plant List, record gcc-3342.