Question

Which is the most primitive division of pteridophyes

Answer 1

Explanation:

Psilopsida- are the most primitive vascular plants in which roots are absent and rhizoids occur instead of roots.

...Lycopsida- are vascular plants which show differentiation of roots, stems and leaves. .

..Sphenopsida- are also known as horsetails.

...Pteropsida- are also called ferns.