This document provides a list of native plant species suitable for clay soils in western Los Angeles County. It includes trees, tree-like shrubs, and large shrubs. For each species, it provides the scientific and common names, size, flowering season, light and soil requirements, water needs, hardiness zones, and notes. A wide variety of species are included such as oaks, willows, manzanitas, and currants that can tolerate clay soils and provide benefits like food and habitat for wildlife.