This name is a synonym of Allium drummondii Regel.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 274794) with original publication details: Contr. W. Bot. 12: 80 1908.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:8861-2.
This name was in version 1 of The Plant List, record kew-274794, and has not been changed.