This name is a synonym of Helleborus lividus subsp. corsicus (Briq.) P.F.Yeo.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Cors. Prodr. 8 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:711295-1.
This name was in version 1 of The Plant List, record kew-2844708, and has not been changed.