This name is a synonym of Cyathea delgadii Sternb..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26606748) with original publication details: Syn. Fil. (ed. 2) 19 1874.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17073890-1.
This name was in version 1 of The Plant List, record tro-26606748.