Tracehephytes are vascular plants that are land plants defined by their lignified tissues The Traceophytes include horsetails, ferns clubmosses, gymnosperms (including conifers) and angiosperms (flowering plants) The main three things that defined these plants are the Vascular system that distributes via tissues the resources to the plant. There are two main parts of the system the Phloem and Xylem and together they form a vascular bundles. They have two sets of chromosomes per cell They have roots, leaves and stems.