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 434CE2D6-805C-499A-AA13-0F8C3A921464) with original publication details: Phytologia 63 131 1987.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:272814-2.
This name was in version 1 of The Plant List, record gcc-8358.