This name is a synonym of Tridens flavus (L.) Hitchc..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25540034) with original publication details: Bot. Arch. 5(3–4): 192 1924.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:93054-2.
This name was in version 1 of The Plant List, record tro-25540034.