This name is a synonym of Stachys recta subsp. subcrenata (Vis.) Briq..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 195531) with original publication details: Folia Geobot. Phytotax. 27: 182 1992.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:970335-1.
This name was in version 1 of The Plant List, record kew-195531, and has not been changed.