This name is a synonym of Lamium album subsp. barbatum (Siebold & Zucc.) Mennema.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 107379) with original publication details: Novosti Sist. Vyssh. Rast. 27: 138 1990.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:965011-1.
This name was in version 1 of The Plant List, record kew-107379.