Yellow flowers in foreground are Lasthenia coronaria, annual, blooms late Winter through Spring, grows up to 1 foot tall(also native to Guadalupe Island).  Lotus scoparius in middle, Encelia californica yellow flowers in back left.  Artemisa californica the grey-green bushes.  Lemonade Berry the dark green bushes furthest in background from left to right.  Photo in La Jolla above Birch Aquarium area.