This name is a synonym of Cyathea caracasana var. maxonii (Underw.) R.M. Tryon.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26616759) with original publication details: N. Amer. Fl. 16(1): 82 1909.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17244000-1.
This name was in version 1 of The Plant List, record tro-26616759.