This name is a synonym of Allium atropurpureum Waldst. & Kit..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 296108) with original publication details: Fl. Dalmat. 1: 136 1842.
This name was in version 1 of The Plant List, record kew-296108, and has not been changed.