This name is a synonym of Lemna minuta Kunth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 109307) with original publication details: Bot. Jahrb. Syst. 21: 299 1895.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:526192-1.
This name was in version 1 of The Plant List, record kew-109307.