Science Education Resource Center at Carleton College
Serc: Introduction to Dichotomous Keys
This lesson serves as an introduction to the classification of plants and animals or trees. Students will investigate how to classify objects based on their similarities and differences. They will use technical writing to explain their...
US Department of Agriculture
Us Department of Agriculture: Plants Interactive Id Keys
A database of information about plants across the United States and how to identify them. Covers grasses, legumes, gymnosperms, wetland monocots, and the Ericaceae flowering plants. The information is contained in downloadable zip files,...
Utah Education Network
Uen: Keys and Classifying
Sort and classify an assortment of objects relating to classifying Utah plants and animals.
Other
Alice Ferguson Foundation: Bridging the Watershed: Plant Identification
Use this interactive guide to identify plants based on their leaves. For each step, you are given two choices, and you continue down the branches until you discover a plant's name.
Science Education Resource Center at Carleton College
Serc: Identifying Plant Family Characteristics
Students make observations of similarities and differences between three types of garden plants to determine why they are grouped together in one plant family.