This name is a synonym of Cyanus segetum Hill.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record 4AC44FF5-C72E-4D8D-8313-D3CFAD7EC6D1) with original publication details: 444 1832.
This name was in version 1 of The Plant List, record gcc-125778.