This name is a synonym of Tridens chapmanii (Small) Chase.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 447305) with original publication details: Trans. Acad. Sci. St. Louis 12: 74 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:258459-2.
This name was in version 1 of The Plant List, record kew-447305, and has not been changed.