This name is a synonym of Cyathea similis C. Chr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26600555) with original publication details: Bull. Soc. Bot. France 88: 680 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17382270-1.
This name was in version 1 of The Plant List, record tro-26600555.