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 294967) with original publication details: Bull. Soc. Imp. Naturalistes Moscou 15: 510 1842.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:527577-1.
This name was in version 1 of The Plant List, record kew-294967, and has not been changed.