This name is a synonym of Allium sibthorpianum Schult. & Schult.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 296620) with original publication details: Syll. Fl. Eur. Suppl.: 65 1865.
This name was in version 1 of The Plant List, record kew-296620, and has not been changed.