This name is a synonym of Astelia banksii A.Cunn..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 275851) with original publication details: Fl. Nov.-Zel. 1: 261 1853.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:531651-1.
This name was in version 1 of The Plant List, record kew-275851, and has not been changed.