This name is a synonym of Coreopsis gladiata Walter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 3D13B749-0D90-4682-9157-3A482103F653) with original publication details: Sida 6 192 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:65803-2.
This name was in version 1 of The Plant List, record gcc-31448.