This name is a synonym of Muilla maritima (Torr.) S.Watson ex Benth..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 295992) with original publication details: Pl. Hartw. 339 1857.
This name was in version 1 of The Plant List, record kew-295992, and has not been changed.