This name is a synonym of Lemna japonica Landolt.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 109300) with original publication details: J. Southwest. Agric. Coll. (Chongqing) 1983(4): 58 1983.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:967803-1.
This name was in version 1 of The Plant List, record kew-109300.