These early plants did not have conducting tissues, severely limiting their size.
Therefore transpiration alone provided the driving force for water transport in early plants.
As an early vascular plant, a fern is not able to reproduce through seeds.
Reproduction in these early plants was by means of minute spores.
Some of the earliest plants do not appear to be the most primitive, and vice versa.
It is one of the earliest plants that people grew.
Two displays are devoted to ferns, among the earliest plants to evolve, more than 300 million years ago.
Also found on some early plants such as Rhynia, where they are hypothesized to aid in photosynthesis.
It is one of the earliest domesticated plants recorded.
It is one of the earliest plants from Gondwana to colonize land.