This name is a synonym of Miscanthus ecklonii (Nees) Mabb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 424566) with original publication details: Fl. Trop. Afr. 9: 91 1917.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:408712-1.
This name was in version 1 of The Plant List, record kew-424566.