Diplacus aridus

Diplacus aridus, is a species of monkeyflower with yellow blossoms. It was formerly known as "Mimulus aridus".
Distribution.
This species is native to San Diego County in Southern California, and to Baja California. In Baja California, "Mimulus aridus" occurs in association with "Daucus pusillus" and "Adiantum jordanii".