This name is a synonym of Allium guttatum Steven.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 295680) with original publication details: Nova Fl. Portugal 3: 95 1994.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:981075-1.
This name was in version 1 of The Plant List, record kew-295680.