Adiantum capillus-veneris, the black maidenhair fern, is a species of fern in the genus Adiantum, family Adiantaceae. It grows to 20-70 cm tall, with very delicate, light green fronds much subdivided into pinnae 5-10 mm long and broad; the frond rachis is black and wiry. Maidenhair Fern is a medicinal herb and have many therapeutic properties. It's used in ailments such as jaundice, kidney stones, shortness of breath and detoxifying the liver.
Black Maidenhair Fern (Adiantum capillus-veneris