This name is a synonym of Phalaris angusta Nees ex Trin..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50085166) with original publication details: Ned. Kruidk. Arch. 6: 139 1917.
This name was in version 1 of The Plant List, record tro-50085166.