This name is a synonym of Verbena intermedia Gillies & Hook..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 212385) with original publication details: Anales Mus. Nac. Hist. Nat. Buenos Aires 24: 413 1913.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:263112-2.
This name was in version 1 of The Plant List, record kew-212385, and has not been changed.