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 25200206) with original publication details: Bot. Jahrb. Syst. 50: 279. 1913. .
This name was in version 1 of The Plant List, record tro-25200206.