This name is a synonym of Nepeta cyanea subsp. biebersteiniana (Trautv.) A.L.Budantsev.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 134465) with original publication details: Fl. URSS 20: 357 1954.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:452292-1.
This name was in version 1 of The Plant List, record kew-134465, and has not been changed.