This name is a synonym of Vallisneria natans (Lour.) H.Hara.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 308969) with original publication details: Bull. Natl. Sci. Mus. Tokyo 26: 1 1949.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:431981-1.
This name was in version 1 of The Plant List, record kew-308969.