This name is a synonym of Cyathea dregei Kunze.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26603172) with original publication details: J. Linn. Soc., Bot. 22: 534 1887.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17074120-1.
This name was in version 1 of The Plant List, record tro-26603172, and has not been changed.