This name is a synonym of Iris planifolia (Mill.) T.Durand & Schinz.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 322360) with original publication details: Fl. Atlant. 1: 40 1798.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:439077-1.
This name was in version 1 of The Plant List, record kew-322360.