Marsh fern, also known as swamp fern, is a type of fern that is commonly found in wetlands and marshy areas. It is a beautiful plant known for its green fronds and delicate foliage. While marsh fern is a widely used term, there are several synonyms for the same, such as swamp sword fern, bog fern, and wetland fern. These synonyms are used interchangeably to refer to the same plant. Marsh ferns are often used in landscaping and indoor gardens due to their attractive appearance and ability to thrive in moist conditions. Regardless of the term used, marsh ferns continue to be a popular choice among gardening enthusiasts.