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 295051) with original publication details: Index Seminum (PAL) 1825: 2 1825.
This name was in version 1 of The Plant List, record kew-295051, and has not been changed.