This name is a synonym of Lamium album subsp. crinitum (Montbret & Aucher ex Benth.) Mennema.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 107549) with original publication details: Magyar Bot. Lapok 17: 22 1918 publ. 1919.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:448914-1.
This name was in version 1 of The Plant List, record kew-107549, and has not been changed.