This name is a synonym of Mentha suaveolens Ehrh..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 125605) with original publication details: Bull. Soc. Roy. Bot. Belgique 17: 317 1878.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:451343-1.
This name was in version 1 of The Plant List, record kew-125605.