This name is a synonym of Rotala filiformis (Bellardi) Hiern.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Hist. Pl. 6: 438 1877.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:552693-1.
This name was in version 1 of The Plant List, record kew-2633714, and has not been changed.