Question

paragraph on psilopsida​

Answer 1

Answer:

Paragraph on psilopsida

A subdivision of Tracheophyta comprising vascular plants with no roots, leaves only partially differentiated or lacking, no leaf traces, a usually protostelic vascular cylinder, and the sporangia merely terminal enlargements of the stem.

Answer 2

Answer:

subdivision of Tracheophyta comprising vascular plants with no roots, leaves only partially differentiated or lacking, no leaf traces, a usually protostelic vascular cylinder, and the sporangia merely terminal enlargements of the stem

— compare lycopsida , pteropsida , sphenopsida