This name is a synonym of Verbena menthifolia Benth..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 212704) with original publication details: Bull. Acad. Roy. Sci. Bruxelles 11(2): 321 1844.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:865470-1.
This name was in version 1 of The Plant List, record kew-212704.