Fern fern ("Onoclea sensibilis"). Giant water fern ("Salvinia molesta") is one of the world's worst aquatic weeds. The important fossil fuel coal consists of the remains of primitive plants, including ferns. Ferns have been studied and found to be useful in the removal of heavy metals, especially arsenic, from the soil. Other ferns with some economic significance include: The study of ferns and other pteridophytes is called pteridology. A pteridologist is a specialist in the study of pteridophytes in a broader sense that includes the more distantly related lycophytes. Pteridomania is a term for the Victorian era craze of fern collecting
Kingdom of Plants 3D Kingdom of Plants 3D Kingdom of Plants 3D is a natural history documentary series written and presented by David Attenborough, which explores the world of plants. It was filmed over the course of a year at the Royal Botanical Gardens, Kew. The series premiered on 26 May 2012 on the Sky 3D network in the UK, with a 2D simulcast on Sky Atlantic HD. An IMAX cinema release is also planned. Each of the three episodes explores a different aspect of plant life. "Life in the Wet Zone" explains how plants first colonised wet and humid environments, "Solving the Secrets"