This name is a synonym of Verbena carolina L..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 212115) with original publication details: Nov. Gen. Sp. 2: 275 1818.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:865056-1.
This name was in version 1 of The Plant List, record kew-212115.