This name is a synonym of Symphyotrichum ericoides (L.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C5E5D5C7-C9A2-4FAD-B185-07770CDFE99E) with original publication details: Rhodora 51 96 1949.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23386-2.
This name was in version 1 of The Plant List, record gcc-72943.