Additionally, Appalachian has joined the foundation’s new Time for Trees initiative, in which 5 million tree planters commit to plant 100 million trees in forests and communities worldwide by 2022 — the 150th anniversary of Arbor Day. Appalachian Tree Inventory This online database details all trees located on Appalachian’s main campus and includes an interactive map — allowing users to learn biological data about specific trees — as well as a complete list of campus tree species. Appalachian earns Tree Campus USA certification Appalachian State University has received Tree Campus USA certification from the Arbor Day Foundation.