Arboretum ยป Campus Plant Identification – Avery Hall and Benson Auditorium Campus Plant Identification – Avery Hall and Benson Auditorium This area includes the area on the east side of Avery Hall, the large rock planter on the south side of Benson Auditorium and the area in front of Benson Auditorium. Page last updated on January 28, 2020