Fern trees Bélouve Jungle Forest. Ferns are almost universally known, are a typical plant of the home, and in many forests. But some of these cousins are the tree ferns or tree ferns. Some of the strangest plants, not only in form but because they could say they are almost "living fossils". The scientific name is Cyatheales, an order that is divided into two main families are Dicksoniaceae and Cyatheaceae. Unlike their cousins, these ferns grow with a trunk, not bushy. They are lush, and the