This name is a synonym of Symphyotrichum squamatum (Spreng.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record B60EB39B-625B-4FFA-AB50-9CF0BF6E6227) with original publication details: 338 1901.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23771-2.
This name was in version 1 of The Plant List, record gcc-101504.