Polypodiales

order of plants Polypodiales (Polypodiales) is an order comprising closely related families of organisms. It contains 15 families with 190 known species. Key family groups include Aspleniaceae, Athyriaceae, Blechnaceae, Cystopteridaceae, Davalliaceae, and Dennstaedtiaceae. Among its members, 34 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Polypodiopsida (Polypodiopsida).