This name is a synonym of Ajuga shikotanensis Miyabe & Tatew..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 5340) with original publication details: Acta Phytotax. Sin. 12(1): 28 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:883792-1.
This name was in version 1 of The Plant List, record kew-5340, and has not been changed.