Polypodiaceae J.Presl & C.Presl
Rhizomes erect to very long-creeping, scaly. Fronds entire or 1-2-pinnate. Sporangia borne on abaxial surface of frond, usually in round or elongate sori on veins or vein-endings, sometimes in long lines or scattered along veins. Indusia 0. Annulus vertical. Homosporous; spores with or without chlorophyll.
40-80 genera according to interpretation, mostly tropical but also in temperate regions.
