First Wetlands

425–390 million years ago (Late Silurian–early Middle Devonian)

What plants were dominant during this time?

Above: A reconstruction of Aglaophyton

Above: A reconstruction of a rhyniophyte, Rhynia

Were these "vascular plants"?

How do leaves arise?

Sawdonia

Left: A reconstruction of a zosterophyll, Sawdonia

Right: A reconstruction of zosterophylls Sawdonia and Drepanophycus

First leaves appear with the clubmosses

Where did these plant live?

https://sites.google.com/site/paleoplant/narrative/first-wetlands/First%20Wetlands.jpg?attredirects=0

Above: The living clubmoss, Huperzia lucidula

When did the first trees evolve?

What was the Earth like before this time?