This book introduces you to a fascinating group of plants, from hornworts to tree ferns. It examines how these plants get energy and reproduce, as well as how they evolved from prehistoric plants. It also looks at how people use spore-producing plants for food, decoration, and even medicine. Did You Know? • Some ferns are as tall as trees, reaching 80 feet (24 meters). • There are about 10,000 species of mosses. • One species of moss is used as stuffing for beds and pillows.
