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Dendrology
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36 items
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A Key to Common Trees of Alabama
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This key can help you easily identify any of the 66 most common trees found in Alabama. Keys such as this one, which is based on a series of choices between ...
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Autumn Colors
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The spectacular parade of colors associated with the "Indian Summer" days of autumn is created by a complicated series of interactions involving pigments, ...
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Autumn Forest and Landscape Color
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It is not necessarily the single tree and its colored leaves we most appreciate. As annual flowers may be massed together to yield a spectacular color show, ...
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Basics of Tree ID
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Identifying and Classifying organisms is fundamental to Biological Sciences. All living things are divided up into groups. Each individual in the group has ...
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Big Trees of the Midsouth Forest Survey
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Forestry agencies and associations across the country maintain registers of champion big trees.Listings of the biggest trees encountered on the USDA Forest ...
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Changing Color
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This article describes the changes that take place in trees and cause them to change colors.
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Changing Colors of Leaves
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This publication explains what triggers the color change in autumn, which color each species becomes, and the causes of variation in color.
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Common Trees of the Pacific Northwest
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Welcome to the tree identification Home Page at Oregon State University! The purpose of this site is to help you identify common conifers and broadleaves in ...
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Dendrology at Virginia Tech
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Find fact sheets for 470 native and ornamental trees from across North America. Each printable sheet contains a full text description plus several color ...
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Fall Tree Color Outline
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Leaf color formation is a natural process. Short, cool days of fall bring changes to trees. Green light-capture systems must be closed-down for winter. ...
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Fall Tree Color Pigments
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Autumn tree colors grace our landscapes. The palette of potential colors are as diverse as the natural world. The climate-induced senescence process trees ...
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Falling Tree Leaves: Leaf Abscission
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Trees loose their leaves by design. When leaves become inefficient and unable to produce food and growth regulators, a process of shutting-down and sealing-off ...
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Familiar Trees of South Carolina
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This tree study manual has been prepared to aid 4-H Club members, teachers, youth group leaders, and others who want to identify or to know more about the ...
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Identification of Common Trees of Iowa
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This interactive key was developed to help identify the most common trees in Iowa. The key is based on vegetative characteristics such as leaves, fruits, and ...
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Initiating Fall Leaf Colors
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Spring flower colors are raised in fall to crown the trees. The pigments are the same but the colored containers have changed from dainty petals to coarse, ...
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Key to Leaves of Virginia Trees
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I've got my leaf, let's get started!
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Leaf Key
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Key out your leaf by clicking on the button that best describes it. ``A table will list the possible matches, with links to fact sheets. ``If a picture exactly ...
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Live Oak: State Tree of Georgia
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Live oak is a beautiful, spreading, medium-sized to large tree 45-65 feet tall and 3-4 feet in diameter. It was named for its evergreen foliage. The largest ...
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Mature Tree Shapes of Forest Tree Nursery Seedlings
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Mature Tree Shapes of South Carolina Forestry Commission's Forest Tree Nursery Seedlings
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Native tress and shrubs
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0ver 100 native trees and shrubs of the south east; growing instructions and images.
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Natural Resource Skills Introduction to Tree Identification
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When you feel that you are ready, simply click here for a practice leaf test, or on the word twigs for a practice winter i.d. test. You can also go to the ...
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Osage-orange (Maclura pomifera): An American Traveler
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Osage-orange (Maclura pomifera) is a small tree in which people have found great value. Once discovered by early European settlers, it was carried and tended ...
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PLANTS National Database
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The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.
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Scientific Classification of Trees: An Introduction for Wood Workers
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Those who work with wood should be able to distinguish between different woods and be familiar with features that make different kinds of wood react ...
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Southern Catalpa: "The Fish Bait Tree"
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The Southern catalpa (Catalpa bignonioides) tree is a common fixture along roadsides and in old yards. The big green leaves and distinctive long dangling ...
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Tree ID Key for the Upper Peninsula of Michigan
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50+ species, 3 keys, 300+ images, range maps, abundunce lists, taxonomy, ID characteristics, glossary
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Tree Identification Database
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Provides images and descriptions of trees
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Tree Identification Key
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A tree identification key is designed to help tree enthusiasts identify a tree species based on its physical characteristics, such as leaf shape, leaf margin ...
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Tree Photos
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Click on the name of a tree to see photos.
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Tree-ring Porosity Forms in Hardwoods
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One growth increment of a tree, commonly called a “growth ring,” is composed of structural, conducting, and defensive components. In a cross-section, the ...
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