The army of alexander the great camped under a single banyan tree Both banyans and aspen clones have stems connected: banyans above the ground, aspen below ground oen Banyan What is an organism? What is a population?The army of Alexander the Great camped under a single banyan tree. Both banyans and aspen clones have stems connected: banyans above the ground, aspen below ground. What is an organism? What is a population?