Subfamily
Vittarioideae
Adiantum aleuticum aleuticum. Photo: (c) Ed Alverson, some rights reserved (CC BY)
Vittarioideae is a subfamily of the Pteridaceae family of ferns, in the order Polypodiales, class Polypodiopsida. This subfamily includes the previous families Adiantaceae (adiantoids or maidenhair ferns) and Vittariaceae (vittarioids or shoestring ferns).