This name is a synonym of Galatella angustissima (Tausch) Novopokr..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 23104F81-58BF-48B9-9F68-76FD5756F3AD) with original publication details: 487 1828.
This name was in version 1 of The Plant List, record gcc-84651, and has not been changed.