Key Difference – Protonema vs Prothallus Bryophytes and Pteridophytes are respectively non-vascular and vascular plants. Vascular plants contain xylem and phloem for the transportation of their nutrients. Therefore, bryophytes and pteridophytes differ in many ways including their life cycles. In Bryophyte life cycle, the dominant stage is the gametophyte, and in pteridophytes, the dominant […]