Oblong Woodsia is a rare fern species that is found in a variety of habitats, including rocky outcrops, talus slopes, and forests. While it is not a widely known plant, there are several synonyms for the species that can help those interested in learning more about it. One of the most common synonyms for Oblong Woodsia is Woodsia ilvensis, which is derived from the plant's preference for rocky habitats. Other synonyms include Woodsia obtusa and Woodsia intermedia, which are based on the shape and size of the fern's fronds. Overall, there are many different names for the Oblong Woodsia, but they all describe the same unique and fascinating plant.