TBG meaning in Academic & Science ?

The Tucson Botanical Gardens is a 5.5 acre (2.2 ha) collection of sixteen residentially scaled urban gardens in Tucson, Arizona, United States. Paths connect these gardens, which include a Zen Garden, a Prehistoric Garden, a Barrio Garden, a Butterfly Garden, a Xeriscape Garden, and a Children’s Garden.

The Cox Butterfly & Orchid Pavilion is home to orchids, bromeliads, and jungle vegetation, along with a display of live tropical butterflies from five continents from October to April. The Cactus and Succulent Garden contains hundreds of cacti and arid plants arranged to imitate the arid Sonoran desert, and is embellished with exotic stones and minerals collected by the Gardens’ founder, Harrison Yocum. The Native Crops Garden illustrates the prehistoric agricultural practices in Central and Southern Arizona. The Tohono O’odham Path winds among edible and utilitarian plants of the Sonoran Desert.