This name is a synonym of Allium unifolium Kellogg.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 296888) with original publication details: Man. Bot. San Francisco 321 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:529084-1.
This name was in version 1 of The Plant List, record kew-296888, and has not been changed.