This name is a synonym of Allium schoenoprasum subsp. latiorifolium (Pau) Rivas Mart., Fern.Gonz.& Sánchez Mata.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 296534) with original publication details: Bol. Soc. Aragonesa Ci. Nat. 2: 42 1912.
This name was in version 1 of The Plant List, record kew-296534, and has not been changed.