Lycopodiella cernua is a plant in the family Lycopodiaceae commonly known as the staghorn clubmoss. The Hawaiian name for the plant is wāwaeʻiole, or "rat's foot". This species has one of the widest distributions within the family, being known from most tropical areas, and growing in the deep south of the United States, as well as Hawaii. It favors bog environments. Lycopodiella cernua is sometimes cultivated.