This name is a synonym of Argythamnia argentea Millsp..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 15165) with original publication details: Prodr. 15(2): 742 1866.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:19029-2.
This name was in version 1 of The Plant List, record kew-15165, and has not been changed.