Polypodiopsida

Synonyms

 * - class

Hypernyms

 * ; - subphylum

Hyponyms

 * - subclass
 * ,, , , , , , † - orders
 * ,, , (leptosporangiate ferns) - subclasses
 * (horsetails); ; (whisk ferns),  ( etc);, , , , , , , † - orders