This name is a synonym of Allium tuolumnense (Ownbey & Aase ex Traub) S.S.Denison & McNeal.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 296492) with original publication details: Pl. Life 28: 63 1972.
This name was in version 1 of The Plant List, record kew-296492.