Trichomanes speciosum is commonly known as the Killarney Fern or the Showy Hardy. However, there are also several other synonyms for this plant, including Hymenodium speciosum, Trichomanes tenuis, and Trichomanes pedunculatum. All of these names refer to the same fern, which is native to the Western Hemisphere and can be found in a variety of different habitats, from wetlands to rocky outcrops. The Killarney Fern is a particularly popular ornamental plant, with its delicate fronds and bright green foliage adding a touch of elegance to gardens and landscapes worldwide. Whatever you choose to call it, Trichomanes speciosum is an impressive and attractive fern species that is worth considering for your own garden or landscaping project.