This name is a synonym of Verbascum glabratum subsp. bosnense (K.Malý) Murb..
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Glasn. Zemaljsk. Muz. Bosni Hercegovini 20: 557 1908.
This name was in version 1 of The Plant List, record kew-2454277.