This name is a synonym of Elodea canadensis Michx..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 344015) with original publication details: Bot. Gaz. 75: 44 1923.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77073194-1.
This name was in version 1 of The Plant List, record kew-344015, and has not been changed.