This name is a synonym of Allium monticola Davidson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 296251) with original publication details: Fl. Calif. 1: 274 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:8842-2.
This name was in version 1 of The Plant List, record kew-296251.