This name is a synonym of Allium strictum Schrad..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 296390) with original publication details: Fl. Cech. 73 1819.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:528724-1.
This name was in version 1 of The Plant List, record kew-296390, and has not been changed.