The oldest and heaviest living organism on Earth is not your mom; It is a 106 acre wide, 80, 000 year old tree named Pando. An

The Pando Clone is an aspen stand encompassing approximately 106 acres on the Fishlake National Forest. This clone (based on DNA testing) is thought to be the largest organism in the world. The Pando clone is declining and Forest managers and scientists are working together to study why and formulate solutions to reverse the decline.