This name is a synonym of Allium crispum Greene.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 274790) with original publication details: Fl. Calif. 1: 278 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:8844-2.
This name was in version 1 of The Plant List, record kew-274790, and has not been changed.