Bryophytes are the most primitive plants on earth. They are non vascular plants. They produce spores instead of seeds.They don't have transport tubes to carry water throughout the plant.Hornworts,liver worth and mosses are all examples of bryophytes.
Gymnosperms a large group of vascular land plants that have uncovered,exposed seeds.They have true roots, stems, and leaves. They uncovered seed.Pines,Cedars,Spruces,Hemlocks are examples.
Angiosperms types of vascular flowering plants. They are the flowing plants. Angiosperms have true roots,stems,and leaves. They are vascular system of transport tubes.Examples are and wheat are one examples.Greenbeans and roses are another example.