This name is a synonym of Eragrostis tephrosanthos Roem. & Schult..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 413098) with original publication details: Mexic. Pl. 2: 116 1886.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:93198-2.
This name was in version 1 of The Plant List, record kew-413098.