Adder'S Fern

Polypodium vulgare is a member of the Polypodiaceae family and is native to multiple regions, including Madeira, Portugal, the Nordic countries, and parts of the United States. Its common name, Adder's Fern, is used in English. The name derives from the Greek words 'poly-' meaning 'many' and 'pous' or 'podos' meaning 'foot,' likely referring to the plant's frond structure. The species has been utilized historically for its aromatic and sweet flavor in cooking, as well as for its medicinal properties as a purgative and vermifuge. Taxonomic discussions have addressed its type specimens and cytotypes, with Shivas and later Jonsell & Jarvis contributing to its classification. The species is noted for its wide distribution and ecological adaptability.