This name is a synonym of Cyanus lingulatus (Lag.) Holub.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5AFE2114-44C5-4047-97DD-0E3BE2643A3C) with original publication details: 32 1816.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190894-1.
This name was in version 1 of The Plant List, record gcc-7659.