How much does a Tree Weigh?

Weighing a tree implies many difficulties because it need to be specified if the weight includes leaves, seeds and fruits or just the wood. Another important factor is the age of the tree. There are very mature trees that do not permit an easy handling and for those trees only their girth is measured in order to estimate the biomass. Also, there are many species of trees and each tree weighs different. For example a Mahogany tree weighs 32-34 pounds per cubic foot, and a Teak weighs 30-49 pounds per cubic foot.