Ceanothus fendleri (Fendler['s] ceanothus, Fendler['s] buckbrush, deer brier) is a species of flowering shrub native to northern Mexico, Arizona, New Mexico, west Texas and the northeastern Texas panhandle, Utah, Colorado, eastern Wyoming, and western South Dakota. Its typical habitat is pine forests from 1,500 to 3,000 meters (4,900 to 9,800 ft) in altitude.