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 and as an invalid name (record 309460) with original publication details: Proc. Iowa Acad. Sci. 17: 82 1910.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:90084-2.
This name was in version 1 of The Plant List, record kew-309460, and has not been changed.