Dicksonia is a genus of ferns commonly known as tree ferns. They are characterized by their tall, upright trunks and large, feathery fronds that can reach several meters in length. These ferns thrive in moist, shaded environments, often found in tropical and subtropical regions. The most well-known species within this genus is Dicksonia antarctica, native to Australia and Tasmania. Tree ferns play a vital role in their ecosystems, providing habitat and food for various wildlife. They are also popular in gardens and landscaping due to their striking appearance and ability to create a lush, green atmosphere.