This name is a synonym of Lemna gibba L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 202232) with original publication details: Deutschl. Fl. ed. 2, 1: 184 1906.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:526255-1.
This name was in version 1 of The Plant List, record kew-202232, and has not been changed.