DENDROLOGY

Detailed explanation-1: -Not every plant grows from a seed. Some plants, like ferns and mosses, grow from spores. Other plants use asexual vegetative reproduction and grow new plants from rhizomes or tubers. We can also use techniques like grafting or take cuttings to make new plants.

Detailed explanation-2: -Modern-day seedless vascular plants include club mosses, horsetails, ferns, and whisk ferns.