Go back up path toward nursery, turn left, follow path around nursery to bank, turn left. Baccharis pilularis Prostrate Coyote Bush, Dwarf Baccharis, Chaparral Broom, Coyote Bush, Dwarf Chaparral Broom. Leaves are oval and typically show some serrations. Flowers are not significant. Fruit can be messy.
Female plants produce cottony seeds which blow everywhere and make a nuisance of themselves.
Growth rate is moderate to rapid, plant in full sun to half shade. Can survive very wet soils to very dry soils along coast. Plant from seed or flat stock or 1 gallon containers. Most flat stock is grown from male plants. One of the best low maintenance ground covers on slopes for erosion control.