This name is a synonym of Mentha longifolia (L.) L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 125031) with original publication details: Magyar Fl. 917 1925.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:450797-1.
This name was in version 1 of The Plant List, record kew-125031.