This name is a synonym of Mentha × dumetorum Schult..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 125038) with original publication details: Deutsche Bot. Monatsschr. 13: 169 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:450804-1.
This name was in version 1 of The Plant List, record kew-125038.