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 50272022) with original publication details: Crypt. Vasc. Brésil 1: 180, t. 53, f. 2 1869.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17074400-1.
This name was in version 1 of The Plant List, record tro-50272022.