This name is a synonym of Aster ovatus var. ripensis (Makino) Mot.Ito & Soejima.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C283673B-3E64-46C6-8670-B704D8556B36) with original publication details: 651 1936.
This name was in version 1 of The Plant List, record gcc-63464, and has not been changed.