This name is a synonym of Cyathea petiolata (Hook.) R.M. Tryon.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26616789) with original publication details: Fieldiana, Bot. 37: 81 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:73435-2.
This name was in version 1 of The Plant List, record tro-26616789, and has not been changed.