This name is a synonym of Symphyotrichum chilense (Nees) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 3F401B89-6E48-4B0F-9F27-3D330DAF9335) with original publication details: Gen. Sp. Aster. 123 1832.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:303658-2.
This name was in version 1 of The Plant List, record gcc-33000.