This name is a synonym of Symphyotrichum oolentangiense (Riddell) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record F9C6CFB9-A9C9-47E2-8D7B-DDD56B5AA3CA).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Aster oolentangiensis in version 1 of The Plant List.