This name is a synonym of Agenium villosum (Nees) Pilg..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 388078) with original publication details: Intr. Nat. Syst. Bot. ed. 2: 447 1836.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:384760-1.
This name was in version 1 of The Plant List, record kew-388078.