Trees in the Yahoo! Directory

American Chestnut Foundation, The
Contains information on chapters, history, identification, and more. Dedicated to restoration and preservation.
chestnut.acf.org
American Forests' National Register of Big Trees
Features the largest known specimens of native and naturalized trees in the United States.
www.americanforests.org/resources/bigtrees
Champion Tree Project International (2) [read review]
dir.yahoo.com/.../Trees/Champion_Tree_Project_International
Cornell University - Sugar Maple Research and Extension Program
Information about maple tress and collecting sap for syrup.
maple.dnr.cornell.edu
Elm Research Institute
Provides information about the Liberty Elm, an American Elm that is resistant to Dutch Elm disease.
www.libertyelm.com
Elmcare.com
Devoted to all aspects of elm trees and their specialized care with sections dealing with disease, tree physiology, elm trivia, and more.
www.elmcare.com
eNature: Trees
Photographic nature field guides for identifying trees, sorted by leaf type: needle-leaf conifers, scale-leaf conifers, untoothed simple leaves, toothed simple leaves, lobed simple leaves, compound leaves, and palms.
www.enature.com/fieldguides/intermediate.asp?curGroupID=10
Forest and Shade Tree Pathology
Contains information about major diseases that affect trees.
www.forestpathology.org
Garden Tree Information - Popular Gardening Trees
Garden Guides trees section offers a wealth of information on every kind of tree a gardener might want to plant.
www.gardenguides.com/plants/trees
Hazard Tree Web Page
Publications and articles dedicated to how to manage defective trees, particularly in an urban setting.
www.na.fs.fed.us/spfo/hazard
History of Palaeozoic Forests: The Early Forests and the Progymnosperms
Focuses on the early tree, Archaeopteris, appearing in the late Devonian.
www.uni-muenster.de/GeoPalaeontologie/Palaeo/Palbot/seite4.html
How to Grow and Maintain Birch Trees
Provides information for the care and selection of a birch tree.
www.birch-tree.com
International Ornamental Crabapple Society
Identifies disease-resistant cultivars and provides information to members.
www.malus.net
International Society of Aboriculture@
dir.yahoo.com/.../Organizations/International_Society_of_Aboriculture
Moon Trees
History of the trees whose seeds accompanied the Apollo 14 mission in 1971 and were planted throughout the United States. Includes locations of known trees and links.
nssdc.gsfc.nasa.gov/planetary/lunar/moon_tree.html
Neem Foundation
Features Neem and other botanical alternatives.
www.neemfoundation.org
SUFA's Tree Care Center
Information on tree planting, pruning, and general care. Explains how professional tree appraisals can help you in insurance, real estate, and legal proceedings.
www.sufa.com
The Stump Online
Dedicated to the noble tree stump. Features tree stump art, enemies, games, history, how to, pictures, and video.
www.thestumponline.com
Tips 4 Trees
How to promote healthy, long-lived trees. Lists good (and bad) pruning, thinning, aeration, watering, and fertilizing practices.
www.oregonlink.com/treecare
Tree Photos - Flickr
See recent and popular tree images from the Flickr community.
www.flickr.com/photos/tags/trees/clusters
Trees
Comprehensive guide to trees from the National Arbor Day Foundation. Learn about the benefits of trees; tree selection, care, planting, and pruning; and how to identify different tree species.
www.arborday.org/trees
Trees Are Good
Designed to educate the public about proper tree care. Trees Are Good also addresses the benefits and value of trees along with tree planting information.
www.treesaregood.com
Trees for Life Canada
Children's environmental education program for teachers and leaders. Teaches children about the importance of trees through the "Grow-A-Tree" program.
www.trees4life.ca
Trees of Time and Place
Project encouraging the planting of trees in the new millennium.
www.totap.org.uk
Trees: Quotes, Poems, Proverbs, Maxims, Links
Collection of quotes for those that love gardens, gardening, and the green way.
www.gardendigest.com/trees.htm
University of Tennessee, Knoxville - Dogwood Research Group
Striving to improve and protect the dogwood tree and its relatives through breeding, research, and public communication.
dogwood.ag.utk.edu
Wikipedia: Tree
Article about trees, the large, perennial, woody plants, that includes profiles of numerous species.
en.wikipedia.org/wiki/Tree
World Community of Old Trees
Painting and drawings of old trees by students. Includes project ideas for teachers.
www.nyu.edu/projects/julian
Year in the Wonderland of Trees, A
Articles and excerpts on the importance of trees and the environment. The children's textbook answers questions about Fall leaf color, tree and leaf identification, tree growth, and what are the different varieties of trees.
www.publicbookshelf.com/public_html/A_Year_in_the_Wonderland_of_Trees_