This name is a synonym of Symphyotrichum eatonii (A.Gray) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 62051D7C-9278-40C3-A8F9-6A8500393F9E) with original publication details: 310 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23356-2.
This name was in version 1 of The Plant List, record gcc-79010, and has not been changed.