This name is a synonym of Heteranthera dubia (Jacq.) MacMill..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 273451) with original publication details: Fl. Lancaster Co. 68 1913.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:271347-2.
This name was in version 1 of The Plant List, record kew-273451.