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 B20E554D-89FC-4211-8B48-6CDD54ECD93F) with original publication details: 277 1836.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:201552-1.
This name was in version 1 of The Plant List, record gcc-80099.