There are several synonyms for the brittle maidenhair fern, including Adiantum fragile, delicate maidenhair fern, brittle fern, and northern maidenhair fern. Adiantum fragile is the scientific name for this plant, and it derives from the delicate and fragile nature of the maidenhair fern's fronds. Delicate maidenhair fern is another apt descriptor for this fern, since it has finely textured fronds that are easily damaged. The brittle fern is so named because its fronds can snap easily, while the northern maidenhair fern is a variety that is common in colder climates. Regardless of the synonym used, the fragile beauty of the maidenhair fern makes it a sought-after addition to any garden or indoor space.