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 D5D70008-3DA6-4BB1-BC05-C32CBA63FBD9) with original publication details: 127 1841.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:180739-1.
This name was in version 1 of The Plant List, record gcc-118532.