The term 'Fern Leaf' is a common name for the FROND of a fern, which is a type of vascular plant that reproduces via spores. The FROND is the leaf-like structure of a fern, and it is composed of multiple leaflets. Ferns are found in a variety of habitats, from tropical rainforests to temperate woodlands. They are an important part of many ecosystems, providing food and shelter for a variety of animals.