This name is a synonym of Symphyotrichum sericeum (Vent.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record D6810F43-5177-4F3F-A04C-5DE03151BBD6) with original publication details: 155 1818.
This name was in version 1 of The Plant List, record gcc-50629.