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 25200085) with original publication details: Itin. Princ. S. Coburgi 2: 56, t. 11A 1888.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:684985-1.
This name was in version 1 of The Plant List, record tro-25200085.