This name is a synonym of Verbena simplex Lehm..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym and as an illegitimate name (record 212076) with original publication details: Fl. Bor.-Amer. 2: 14 1803.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:865025-1.
This name was in version 1 of The Plant List, record kew-212076.