Seed plants
Their seeds have three parts: (1) an embryo, (2) a supply of nutrients for the embryo, and (3) a seed coat. The seed plants dominate almost all the environments on land.Cycads, a subtropical and tropical group of plants with a large crown of compound leaves and a stout trunk
- Ginkgo, a single living species of tree
- Conifers, cone-bearing trees and shrubs
- Gnetophyta, woody plants in the genera Gnetum, Welwitschia, and Ephedra
- Glossopteris was the most prominent tree genus in the ancient southern supercontinent of Gondwana during the Permian period.