This name is a synonym of Adiantum caudatum var. hirsutum (Bory) Bonap..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26600895) with original publication details: Voy. Îles Afrique 1: 198 1804.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17010740-1.
This name was in version 1 of The Plant List, record tro-26600895, and has not been changed.