This name is a synonym of Sagittaria lancifolia L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 287424) with original publication details: Pl. Surin. 15 1775.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:58554-1.
This name was in version 1 of The Plant List, record kew-287424.