This name is a synonym of Najas marina var. brachycarpa Trautv..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 308289) with original publication details: Novosti Sist. Vyssh. Rast. 13: 17 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:887076-1.
This name was in version 1 of The Plant List, record kew-308289, and has not been changed.