This name is a synonym of Tridens carolinianus (Steud.) Henrard.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 447304) with original publication details: Amer. J. Bot. 24: 34 1937.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:258458-2.
This name was in version 1 of The Plant List, record kew-447304, and has not been changed.