The site features images and information on over 900 landscape plants (mostly woody) listed in alphabetical order by genus. Use the Plant Search to filter by attributes such as flower color or leaf shape to narrow down the possibilities.
Archives: Recommended Websites
Oregon State University: Trees of the Pacific Northwest
This site provides assistance with identifying common conifers in the Pacific Northwest. It includes information about specific genera, user-friendly dichotomous keys, and a mystery tree section where you can test your knowledge.
What Tree is That?
The National Arbor Day Foundation’s version of a tree identification tool. A series of pictures and questions are used like a dichotomous key to identify mystery trees by process of elimination. A very good animated interactive tutorial illustrates how to use a dichotomous key.
What Tree Is It?
Help with identifying trees by leaf, by fruit and by name–click on the chain of illustrated characteristics (fruit, leaf) for the tree you want to identify until you narrow it down to a genus and species with the help of this informative website. It features common trees of Ohio.
UConn Plant Database
This site includes information about trees, shrubs and vines that do particularly well in the Northeastern United States. You may search for plants by attribute or characteristic, or you may browse by Latin name. Each entry has a fact sheet, photos and a list of cultivars, if available.
Virginia Tech Dendrology Tools
If you have an unknown tree specimen, you can try to figure out what it is by using one Virginia Tech’s leaf or twig keys.
Virginia Tech Dendrology Factsheetss
Search or browse the tree fact sheets, created by Virginia Tech Department of Forest Resources and Environmental Conservation.
Plant Identification: Examining Leaves
An article by Pat Breen, Oregon State Univ., Dept. of Horticulture describing common characteristics of plants that are useful in identifying them.
Bioimages
A large collection of plant images, mostly woody trees and shrubs, with various browsing methods to find the images. The most useful method is a map of North America divided into bioregions. Each bioregion has an associated list of dominant plants. Created by Steve Baskauf of Vanderbilt University.