This name is a synonym of Plantago australis Lam..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25200518) with original publication details: Repert. Spec. Nov. Regni Veg. 12: 244 1913.
This name was in version 1 of The Plant List, record tro-25200518.