This name is a synonym of Plantago lanatifolia (J.M. Coult. & Fisher) Small ex E. Morris.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50141102) with original publication details: Bot. Gaz. 18: 303 1883.
This name was in version 1 of The Plant List, record tro-50141102, and has not been changed.