1. Terris is green, self-sufficient and self-sufficient.
2. Their body is divided into roots, stems and leaves.
3. Leaves are compound and pinnate when young.
4. Pinna or leaves have rachis, midrib and veins.
5. Its stems are transformed into rhizomes.
6. Rhizome is covered by ramenta.
7. They are homosporous i.e. produce identical spores.
8. Sporangia are present along the leaf margins. The sporangia together form the sorus.
9. The sporangium is covered by a false indusium.
10. Their male genitalia are called antheridium and female genitalia are called archegonium.
11. Their antheridium is round and archegonium is flask shaped.
12. The prothallus (gametophyte) is green, heteroscedastic, cordate and coriaceous.
13. Leaves have rachis. Sheets are arranged in racks.
