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 266023) with original publication details: Bull. Bot. Res., Harbin 11(1): 37 1991.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:958573-1.
This name was in version 1 of The Plant List, record kew-266023.