This name is a synonym of Sparganium natans L..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 266099) with original publication details: Erst. Beitr. Fl. Hercyn. 2: 297 1840.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60453609-2.
This name was in version 1 of The Plant List, record kew-266099.