This name is a synonym of Nepeta nepetella subsp. laciniata (Willk.) Aedo.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 134475) with original publication details: Bot. Zeitung (Berlin) 15: 219 1857.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:50920408-1.
This name was in version 1 of The Plant List, record kew-134475.