This name is a synonym of Aster hispidus var. koidzumianus (Kitam.) Mot.Ito.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 1CA176C4-85B9-46E3-8C1F-B47DC63347DE) with original publication details: 22 1931.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:213980-1.
This name was in version 1 of The Plant List, record gcc-112040, and has not been changed.