This name is a synonym of Wedelia tehuantepecana B.L.Turner.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 9B7CEFAB-5C37-4C21-BC8B-547C21311BE9) with original publication details: Syst. Bot. Monogr. 33 60 1991.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:967064-1.
This name was in version 1 of The Plant List, record gcc-45582, and has not been changed.