This name is a synonym of Cyathea pungens (Willd.) Domin.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50293687) with original publication details: Amer. Midl. Naturalist 12: 250 1931.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:10072-2.
This name was in version 1 of The Plant List, record tro-50293687, and has not been changed.