The term 'fern genus' refers to a group of plants belonging to the family of 'pteridophytes' or vascular plants. These plants are characterized by their feathery or lacy leaves, which are divided into many tiny leaflets. Some of the synonyms for the term 'fern genus' include 'ferny plants', 'pteridophytes', 'bracken', 'moss', and 'polypod'. Ferns are an ancient group of plants that have been successfully adapted to various environmental conditions. They thrive in moist, shady areas, making them popular as indoor plants. With over 10,000 species in existence, ferns provide a wide range of benefits that include air purification and aesthetic enhancement.