Arboretum » Campus Plant Identification – Avery Hall and Benson Auditorium » cat-086-Avery-Benson-C cat-086-Avery-Benson-C Aloe barbarae, Senecio mandralisce (Blue finger), Echinocactus grusonii (Golden barrel cactus), Sedum nussbaumerianum (Coppertone Stonecrop) , Agave attenuata variegate (Fox tail agave)