Dryopteris filix-mas, commonly known as the male fern, is a perennial fern native to Europe, Asia, and North America. It typically grows in moist, shaded environments, such as woodlands and along stream banks. The plant features large, feathery fronds that can reach up to 1 meter in length, with a distinctive triangular shape. This fern reproduces through spores, which are produced in clusters on the undersides of its fronds. Dryopteris filix-mas is often used in gardens for ornamental purposes and can also play a role in traditional herbal medicine, although caution is advised due to potential toxicity.