This name is a synonym of Leibnitzia knorringiana (B.Fedtsch.) Pobed..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record DCBEC1F6-EC39-4543-B148-71390EA0FB90) with original publication details: 1915.
This name was in version 1 of The Plant List, record gcc-82079, and has not been changed.