This name is a synonym of Allium platyspathum subsp. amblyophyllum (Kar. & Kir.) N.Friesen.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 342630) with original publication details: Fl. Ross. 4: 184 1852.
This name was in version 1 of The Plant List, record kew-342630, and has not been changed.