This name is a synonym of Allium bolanderi var. mirabile (L.F.Hend.) McNeal.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 296023) with original publication details: Rhodora 32: 22 1930.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:311788-2.
This name was in version 1 of The Plant List, record kew-296023, and has not been changed.