This name is a synonym of Symphyotrichum greatae (Parish) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 54144E62-6881-4E9F-A5A2-813E2E4525FF) with original publication details: Bull. S. Calif. Acad. Sci. 1 15 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23516-2.
This name was in version 1 of The Plant List, record gcc-89232, and has not been changed.