This name is a synonym of Sempervivum carpathicum subsp. heterophyllum (Hazsl.) Letz.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Magyarhon ed. növ.: 173 1872.
This name was in version 1 of The Plant List, record kew-2871572, and has not been changed.