Three class of tracheophyta

1. Seedless vascular plants: This class includes plants that have vascular tissue for transporting water and nutrients, but do not produce seeds. Examples include ferns, horsetails, and club mosses.

2. Gymnosperms: This class includes plants that have vascular tissue and produce seeds that are not enclosed in a fruit. Examples include conifers, such as pine trees, spruces, and firs.

3. Angiosperms: This class includes plants that have vascular tissue and produce seeds that are enclosed in a fruit. Angiosperms are the most diverse group of plants and include flowering plants such as roses, sunflowers, and grasses.