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 259467) with original publication details: Nov. Gen. Sp. Pl. 1: 9 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:698147-1.
This name was in version 1 of The Plant List, record kew-259467.