Carboniferous coal was produced by bark-bearing trees that grew in vast lowland swamp forests. Vegetation included giant club mosses, tree ferns, great horsetails, and towering trees with strap ...

In fact, ferns grew prolifically in the Carboniferous period that occurred millions of years ago. However, for the modern-day ...

Ferns in this family have been traced to 360 million years ago in the Carboniferous Period. Some other safe ferns are the button fern, mother fern, carrot fern, staghorn fern, bird nest fern ...

Machado studied the stratigraphy and palynological floras of the Buçaco Carboniferous Basin ... light on the adaptations and evolution of ferns during a time of climatic shifts.