Serpent fern, also known as creeping sword fern, is a type of fern that is native to tropical and subtropical regions of Asia and Africa. This plant is characterized by its long, creeping stems that grow up to 10 feet long and produce small fronds along the way. If you are looking for synonyms for serpent fern, you may come across terms like snake fern, ribbon fern, or climbing fern. These terms all refer to the same plant, but they emphasize different aspects of its appearance and behavior. Some people also use scientific names like Nephrolepis cordifolia or Polypodium vulgare to refer to serpent fern.