This name is a synonym of Allium senescens subsp. glaucum (Regel) Dostál.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 295636) with original publication details: Encycl. Suppl. 1: 265 1810.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:528095-1.
This name was in version 1 of The Plant List, record kew-295636, and has not been changed.