This name is a synonym of Allium caspium (Pall.) M.Bieb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 298614) with original publication details: Sp. Pl. 2: 62 1799.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:62742-1.
This name was in version 1 of The Plant List, record kew-298614.