This name is a synonym of Hesperolinon californicum (Benth.) Small.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 18700197) with original publication details: Pl. Hartw. 299–300 1848.
This name was in version 1 of The Plant List, record tro-18700197, and has not been changed.