This name is a synonym of Psephellus leucophyllus (M.Bieb.) C.A.Mey..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 9F4436FA-0BED-438C-89CF-E3A012576002) with original publication details: 591 1819.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190881-1.
This name was in version 1 of The Plant List, record gcc-132605, and has not been changed.