This name is a synonym of Alsophila woodwardioides (Kaulf.) D.S. Conant.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26621239) with original publication details: Enum. Filic. 255 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:73434-2.
This name was in version 1 of The Plant List, record tro-26621239, and has not been changed.