This name is a synonym of Symphyotrichum undulatum (L.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record B60AC71B-C2DC-4F77-985F-A930D8DBC2B0) with original publication details: 113 1803.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:181095-1.
This name was in version 1 of The Plant List, record gcc-107045.