This name is a synonym of Lamium garganicum subsp. striatum (Sm.) Hayek.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 107463) with original publication details: Willdenowia 14: 300 1984 publ. 1985.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:924298-1.
This name was in version 1 of The Plant List, record kew-107463, and has not been changed.