This name is a synonym of Lamium amplexicaule var. orientale (Pacz.) Mennema.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 107551) with original publication details: Maevsh. Fl. ed. 7: 617 1940.
This name was in version 1 of The Plant List, record kew-107551, and has not been changed.