This name is a synonym of Alsophila xanthina (Domin) C. Chr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50179094) with original publication details: Acta Bot. Bohem. 9: 172 1930.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17314250-1.
This name was in version 1 of The Plant List, record tro-50179094, and has not been changed.