This name is a synonym of Ajuga integrifolia Buch.-Ham..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 460701) with original publication details: Sitzungsber. Königl. Preuss. Akad. Wiss. Berlin 40: 743 1906.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Ajuga bracteosa in version 1 of The Plant List.