This name is a synonym of Cynodontium luridum (Bruch) Fürnr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35159226) with original publication details: Bryol. Univ. 1: 818 1827.
This name was in version 1 of The Plant List, record tro-35159226.