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 5EE38C78-C53D-49C0-BA6F-4828C5000BB9) with original publication details: 187 1913.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23811-2.
This name was in version 1 of The Plant List, record gcc-38900.