This name is a synonym of Allium melanantherum Pancic.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 296795) with original publication details: Gen. Allium 22 1992.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:965913-1.
This name was in version 1 of The Plant List, record kew-296795, and has not been changed.