This name is a synonym of Eragrostis pectinacea (Michx.) Nees.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25535885) with original publication details: Mant. 2: 319 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:400890-1.
This name was in version 1 of The Plant List, record tro-25535885.