This name is a synonym of Symphyotrichum cordifolium (L.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 1EF6AD3A-5F00-4B06-9DD4-835F0832343F) with original publication details: Castanea 10: 65. 1945 65 1945.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23262-2.
This name was in version 1 of The Plant List, record gcc-57075.