The term "scale fern" refers to a type of fern that has closely overlapping scales covering its fronds. While the term scale fern may be well-known, it can be helpful to know other synonyms or similar terms to help diversify one's vocabulary or to better distinguish between different types of ferns. Other terms that may be used to describe scale ferns include "scaly fern," "armored fern," and "cliff fern." These synonyms may be more or less commonly used depending on the context, location, or community of plant enthusiasts. Expanding one's vocabulary with such synonyms can enhance one's ability to describe and appreciate the natural world.