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 266025) with original publication details: Allg. Bot. Z. Syst. 4: 32 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:836748-1.
This name was in version 1 of The Plant List, record kew-266025.