This name is a synonym of Arundinella pumila (Hochst.) Steud..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 396544) with original publication details: Nomencl. Bot. ed. 2, 1: 143 1840.
This name was in version 1 of The Plant List, record kew-396544, and has not been changed.