Buckbrush is the common name for several species of North American shrubs that deer feed on, including but probably not limited to: Cephalanthus occidentalis Phyllanthopsis phyllanthoides, maidenbrush (south-central U.S.) Some western North American species of the genus Ceanothus, especially: Ceanothus cuneatus Purshia tridentata and P. stansburiana (dry regions of western North America) Symphoricarpos orbiculatus, native to the eastern United States and Canada