This name is a synonym of Symphyotrichum urophyllum (Lindl. ex DC.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 3319B125-9D04-4AFC-91BC-EA62F3221A90) with original publication details: Prodr. 5: 233 (1836) 233 1836.
This name was in version 1 of The Plant List, record gcc-135615.