This name is a synonym of Tridens albescens (Vasey) Wooton & Stand..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 447273) with original publication details: Grass. U.S. 35 1883.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:424794-1.
This name was in version 1 of The Plant List, record kew-447273.