Plant on a dry slope, finely lacy leaves and burst of yellow blossoms

I haven't yet keyed out the yellow-blossomed plant that looks like Lomatium (biscuit-root) but, based on the lacy leaves and sand dune habitat, I would guess that it is Cymopterus terebinthinus (turpentine spring-parsley).

#Cymopterus #Cymopterusterebinthinus #turpentine #springparsley