Ageratina_rothrockii
Ageratina rothrockii
Species of flowering plant
Ageratina rothrockii (Rothrock's snakeroot)[3] is a North American species of plants in the family Asteraceae. It is found only in the southwestern United States in the states of Arizona, New Mexico, and Texas, as well as the states of Sonora, Coahuila, Chihuahua, and Durango in Mexico.[4][5]