Cycads, conifers and flowering plants are all considered to be
Avascular seed-forming plants.
Bvascular spore-forming plants.
Cnon-vascular seed-forming plants.
Dnon-vascular spore-forming plants.
Avascular seed-forming plants.
Bvascular spore-forming plants.
Cnon-vascular seed-forming plants.
Dnon-vascular spore-forming plants.