Plantlet The Blogging Platform of Department of Botany, University of Dhaka
They are the earliest known vascular plants that originated in the Silurian period (400 million years ago) of the Palaeozoic Era and subsequently diversified and formed the dominant vegetation on earth during Devonian to Permian period. There are controversies regarding their origin and evolution. There are two broad theories about …
Read More »Pteridophytes: Origin and Evolution
