This name is a synonym of Sparganium stoloniferum (Buch.-Ham. ex Graebn.) Buch.-Ham. ex Juz..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 266062) with original publication details: Folia Geobot. Phytotax. 7: 309 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:891724-1.
This name was in version 1 of The Plant List, record kew-266062.