This name is a synonym of Mentha × carinthiaca Host.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 125261) with original publication details: Oesterr. Bot. Z. 44: 206 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:451034-1.
This name was in version 1 of The Plant List, record kew-125261, and has not been changed.