This name is a synonym of Stachys macrostachys (Wender.) Briq..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 21001) with original publication details: Verz. Pfl. Casp. Meer. 95 1831.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:445111-1.
This name was in version 1 of The Plant List, record kew-21001, and has not been changed.