This name is a synonym of Allium neapolitanum Cirillo.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 295359) with original publication details: Bot. Reg. 9: t. 758 1823.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:527882-1.
This name was in version 1 of The Plant List, record kew-295359.