This name is a synonym of Mentha × dalmatica Tausch.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 125416) with original publication details: Oesterr. Bot. Z. 45: 110 1895.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:451167-1.
This name was in version 1 of The Plant List, record kew-125416.