This name is a synonym of Desmodium subsimplex (Benth.) Malme.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13064373) with original publication details: Fl. Bras. 15(1A): 101 1859.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:78512-2.
This name was in version 1 of The Plant List, record tro-13064373, and has not been changed.