browser icon
You are using an insecure version of your web browser. Please update your browser!
Using an outdated browser makes your computer unsafe. For a safer, faster, more enjoyable user experience, please update your browser today or try a newer browser.


Experts when you need help:

Treehouse ARTZ-Jake Jacobs

Tree Solutions, Inc.-Scott Baker

A Life with Trees, L.L.C.-Ryan Cafferky

Treetop Builders-Dan Wright


 SPECIAL: National Geographic video presents the Worlds Super Trees

They can grow to be the tallest trees on Earth. They can produce lumber, support jobs, safeguard clear waters, and provide refuge for countless forest species. If we let them.



The Meaning of Trees:  Botany, History, Healing, Lore


Trees: A Visual Guide:  Beautifully illustrated and designed, this gorgeous reference book explores the world of trees from every perspective


Remarkable Trees of the World:   Thomas Pakenham embarks on a five-year odyssey to most of the temperate and tropical regions of the world to photograph sixty trees of remarkable personality and presence


Apps for iPhone and iPad:

Trees Pro HD

How often does it happen that you’re out in the wild and you discover trees that you would like to identify? Or you find their leaves, flowers, or fruits that you would like to eat or learn more about?



TreeSketch is a fully featured interactive 3D tree modelling application for your iPad. Creating a tree is as simple as painting on the screen while watching the tree grow into your stroke. TreeSketch is powerful enough to capture a stunning variety of tree forms.


Audubon Trees

An indispensable reference with over 700 trees at your fingertips. Featuring comprehensive photos, range maps, and in-depth descriptions.



Leafsnap is the first in a series of electronic field guides being developed by researchers from Columbia University, the University of Maryland, and the Smithsonian Institution. This free mobile app uses visual recognition software to help identify tree species from photographs of their leaves.