This name is a synonym of Alsophila bartlettii (Copel.) C. Chr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50181048) with original publication details: Univ. Calif. Publ. Bot. 14: 371 1929.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17315210-1.
This name was in version 1 of The Plant List, record tro-50181048, and has not been changed.