This name is a synonym of Libanotis incana (Stephan ex Willd.) O. Fedtsch. & B. Fedtsch..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50277787).
This name was in version 1 of The Plant List, record tro-50277787, and has not been changed.