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 439151) with original publication details: Man. Fl. N. States 129 1901.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:219688-2.
This name was in version 1 of The Plant List, record kew-439151.