This name is a synonym of Sagittaria latifolia Willd..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 292758) with original publication details: Bull. Torrey Bot. Club 17: 125 1890.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:225343-2.
This name was in version 1 of The Plant List, record kew-292758.