This name is a synonym of Utricularia tridentata Sylvén.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50188010) with original publication details: Arkiv for Botanik 8: 29 1908.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:527150-1.
This name was in version 1 of The Plant List, record tro-50188010, and has not been changed.