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 AEDD8B05-18BC-42F5-810F-342D078DD510) with original publication details: Amer. Midl. Naturalist 26 407 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23429-2.
This name was in version 1 of The Plant List, record gcc-28242.