Ceanothus integerrimus - Deer Brush - Chiricahua Mountains, Arizona Synonyms include C. andersonii, C. californicus, and others A favorite browse for Mule Deer. Grows to 4 meters tall. The BONAP map to the right shows the range of this species within the United States. It is also found in northern Mexico. Several varieties have been described but the systemics are not firmly established. The species was first described by William Jackson Hooker and George Arnott in 1838. See SEINet. Photographed on October 6, 2017.