Select a plant category below to view a list of associated plants.     Agave, Cacti, Succulent, or Yucca  Grass  Groundcover  Perennial  Shrub  Tree       Alnus rhombifolia white alder     Juglans californica California walnut     Platanus racemosa California sycamore     Populus fremontii subsp. fremontii Fremont cottonwood     Quercus agrifolia var. agrifolia coast live oak     Quercus engelmanii Engelmann oak, mesa oak     Quercus lobata valley oak     Sambucus mexicana Mexican elderberry     Umbellularia californica California bay    Vine