This name is a synonym of Eichhornia crassipes (Mart.) Solms.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 258241) with original publication details: Fl. Tellur. 2: 81 1837.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1195154-2.
This name was in version 1 of The Plant List, record kew-258241.