Polypodium Vulgare is a type of fern that can be found in many parts of the world. This species of fern has various synonyms depending on its location and local name. In indigenous American communities, it is referred to as the "Rock Polypody" while in Europe it is more commonly known as the "Common Polypody" or simply "Polypody." Other synonyms include "Oak Fern," "Wall Fern," and "Stone Brake." All of these names refer to the same species of fern, which is known for its ability to grow in a wide variety of environments, including rocky cliffs, walls, and forests. Regardless of what it is called, Polypodium Vulgare is a fascinating and important part of the natural world.