This name is a synonym of Agnorhiza ovata (Torr. & A.Gray ex Torr. & A.Gray) W.A.Weber.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 088005E6-86C9-4F9B-BB50-B48D5A807B72) with original publication details: 143 1848.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:318999-2.
This name was in version 1 of The Plant List, record gcc-112067.