This name is a synonym of Prunella vulgaris subsp. asiatica (Nakai) H.Hara.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 165928) with original publication details: Bot. Mag. (Tokyo) 44: 19 1930.
This name was in version 1 of The Plant List, record kew-165928.