Aliso Trailhead, Aliso Canyon Interpretive Trail, Santa Ynez River
Apparently natural occurrence with strong recruitment within residential - natural land interface. Cultivated specimens were observed at residence about 20 meters from observation. Owner of nearby residence related that these trees reported in this observation were not planted, but naturally occur. Growing near Sacramento River with various natural, naturalized, and exotic plants with strong seedlings and sapling recruitment throughout the general area.