This name is a synonym of Allium pseudojaponicum Makino.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 294960) with original publication details: J. Geobot. 22: 56 1975.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:527570-1.
This name was in version 1 of The Plant List, record kew-294960.