Any of various ferns of the genus Adiantum, having purplish to black stalks, usually feathery fronds, and delicate fan-shaped leaflets with marginal sori.

• 掌叶铁线蕨：任何一种属于铁线蕨属的各种蕨类植物，常长有呈微紫色至黑色的梗、羽毛状的复叶，以及纤细呈扇形的，边缘带有囊群的嫩芽