This name is a synonym of Allium sphaerocephalon subsp. arvense (Guss.) Arcang..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 309625) with original publication details: Fl. Ital. 2: 565 1852.
This name was in version 1 of The Plant List, record kew-309625, and has not been changed.