This name is a synonym of Alsophila paucifolia Baker.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26616194) with original publication details: Hedwigia 45: 229 1906.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:73397-2.
This name was in version 1 of The Plant List, record tro-26616194, and has not been changed.