This name is a synonym of Hymenachne amplexicaulis (Rudge) Nees.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 427088) with original publication details: Fl. Bras. 2(2): 234 1877.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:410392-1.
This name was in version 1 of The Plant List, record kew-427088.