This name is a synonym of Alsophila cuspidata (Kunze) D.S. Conant.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26615533) with original publication details: Bull. Herb. Boissier, sér. 2, 7: 926 1907.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:73226-2.
This name was in version 1 of The Plant List, record tro-26615533.