This name is a synonym of Eragrostis porosa Nees.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 413043) with original publication details: Webbia 8: 10a 1951.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:401444-1.
This name was in version 1 of The Plant List, record kew-413043, and has not been changed.