This name is a synonym of Nepeta camphorata var. heldreichii (Halácsy) Baden.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 134649) with original publication details: Consp. Fl. Graec. 2: 539 1902.
This name was in version 1 of The Plant List, record kew-134649, and has not been changed.