Jersey fern, also known as the 'Christmas fern', has quite a few synonyms. This evergreen fern can be called the Polystichum acrostichoides, the Swordfern, or even the Shield fern. The name 'Christmas fern' comes from the fact that it is often used as Christmas decor due to its hardiness and green leaves. The name 'Swordfern' describes the shape of the fern's leafy fronds, which resemble swords. Other popular names for the Jersey fern include the Dagger fern, Rock fern, and the Hollyfern. Despite its different names, this fern remains a favorite of many gardeners and naturalists alike.