Tectaria cicutaria is a fern species commonly known as the giant holly fern. However, there are several other synonyms for this species depending on the scientific classification system used. Some of the most common synonyms include Polypodium cicutarium, Cyclosorus cicutarius, and Dryopteris cicutaria. The species is native to Asia, North America, and South America and can be found in a range of habitats including forests, wetlands, and rocky slopes. The giant holly fern is appreciated by gardeners for its ornamental value and for its ability to grow in shady areas.