DENDROLOGY

Detailed explanation-1: -Seedless vascular plants are a part of the tracheophytes. They possess vascular tissues such as xylem and phloem, but do not produce seeds or flowers for propagation. Examples of seedless vascular plants include ferns, clubmosses, whisk ferns, and horsetails.

Detailed explanation-2: -Seedless vascular plants are plants that contain vascular tissue, but do not produce flowers or seeds. In seedless vascular plants, such as ferns and horsetails, the plants reproduce using haploid, unicellular spores instead of seeds.

Detailed explanation-3: -Modern-day seedless vascular plants include club mosses, horsetails, ferns, and whisk ferns.