The correct options are
C Vascular cryptogams
D Seedless plants
Plants belonging to division Pteridophyta are vascular cryptogams. These plants have well differentiated roots, stems and leaves. They possess vascular tissues (xylem and phloem) for the conduction of water, food and other substances. They are called cryptogams because the reproductive organs of the plants in this division are very inconspicuous. They do not produce seeds.