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 296124) with original publication details: Proc. Amer. Acad. Arts 14: 227 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:528505-1.
This name was in version 1 of The Plant List, record kew-296124, and has not been changed.