This name is a synonym of Amphiachyris amoena (Shinners) Solbrig.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 580ABB57-0164-4C7E-A2E0-B65A546653F5) with original publication details: 364 1999.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1007088-1.
This name was in version 1 of The Plant List, record gcc-112841.