Athyrium Distentifolium is a kind of fern that is characterized by its beautiful, lacy fronds and is used as a decorative plant for its unusual appearance. This plant is also known by different synonyms, including Athyrium filix-femina, Athyrium thelypteroides, and Athyrium angustum, Mountain Lady Fern, Lady Fern, and Narrow-leaf Lady Fern, respectively. All these names are used interchangeably, depending on the region and the purpose of the usage of the plant. Athyrium Distentifolium is native to different regions worldwide, including Asia, Europe, and North America, and it thrives in moist, shady areas, making it an excellent addition to gardens and potted plants in homes.