Provides a brief summary to the variety, growth, character of Acer palmatum for hardiness zones 5 through 8.

The Arnold Arboretum is a research and educational institution. It manages a collection of hardy trees, shrubs, and vines located in Boston, Massachusetts and associated herbarium and library collections.

Professional arborist M.D. Vaden shares photos and tree care articles on this informational site. Also answer questions in a personal forum.

A collection of American tree pictures.

Uses, cultivation and description for this tree, commonly known as cherry birch, sweet birch, or black birch.

Tree, shrub and turf information, IPM practices, insect and disease articles, tree care information, annual garden calendar.

Contains information and pictures.

Keslick and Son Aboriculturist's alphabetical listing of tree terminology. An online dictionary of tree terms including summarized definitions, articles, and photographs.

Natural history of English Oaks (Quercus robur), their life, conservation and woodland restoration. How to obtain acorns from old oak trees by mail order.

Articles on flowering trees used in landscaping, including weeping trees, saucer magnolias, dogwoods and crape myrtles. Each illustrated article spans several pages.

Learn how to care for a birch tree, including selecting the correct site and type of birch, watering, fertilizing, mulching, and monitoring for problems.

Gives information on where to use trees and how to plant them correctly.

Heavy accumulations of snow and ice can cause major structural damage to trees and shrubs. The damaged limbs should be properly removed. The following links will provide a guide for homeowners seeking to repair damaged plant material.U.of Illinois

Tree care information includes tree biology, tree and soil chemistry help, and organic tips.

Monthly guide to caring for trees from the Massachusetts Arborists Association, including a featured tree for each month.

Specializing in the analysis, prevention and treatment of oak wilt using Alamo fungicide and root trenching. Offers free consultation, cedar clearing, dead tree removal, and replanting services.

A listing of southern african trees with photos, providing general and cultivation information, concentrating on plants suitable as bonsai, potplants or with edible fruit.

Contains information and diagrams.

A list of official state and provincial trees of all 50 U.S. states and 13 Canadian provinces and territories including both common and scientific names and images of official flags.

Offers photographs and descriptions for a variety of trees that can be found on the campus of Reed College in Portland, Oregon. Visitors can identify trees by location or find the location of examples of a certain kind of tree.

Designed to provide a place to learn about the anatomy and physiology of tree bark, fungal canker diseases that affect tree bark, the wound responses of injured tree bark, and the role of wound responses in the resistance of living tree bark to wound pathogens.

Resource for a wide range of information about trees and forests: Trees and the environment, British trees, cultivation, tree medicine, news and other features.

Contains descriptions of rare trees native to the Eastern United States, and provides information about growing them on private property.

Tree enthusiast presents how-to and academic articles on trees and their propagation, with blog and a photo gallery of California trees.

Source of information regarding tree and shrub care including how-to articles, species profiles, insect and disease information and other features.

An identification guide to conifers of the Pacific Northwest provided by Oregon State University.

A resource for Southern gardeners who need information on trees that grow well in their area.

A dichotomous key to identify trees native to the West coast of the United States. Includes photos and information on these trees.

Arbor Day Society's online tree identification site for Eastern/Central and Western USA trees.