Subfamily
Dryopteridoideae
Dryopteris expansa. Photo: (c) Samuel Brinker, some rights reserved (CC BY-NC)
Dryopteridoideae is one of the two subfamilies of the Dryopteridaceae family of ferns. (The other subfamily is Elaphoglossoideae.) Dryopteridoideae contains about 17 genera.