This name is a synonym of Allium guttatum subsp. tenorei (Parl.) Soldano.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 295984) with original publication details: Fl. Ital. 2: 569 1857.
This name was in version 1 of The Plant List, record kew-295984.