This name is a synonym of Aster sohayakiensis Koidz..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5F3BC269-49D9-4357-AE33-4D8B93BEEDC1) with original publication details: J. Jap. Bot. 3: 18 (1926) 18 1926.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:181882-1.
This name was in version 1 of The Plant List, record gcc-41875, and has not been changed.