The order Polypodiales encompasses the major lineages of polypod ferns, which account for more than 80% of today's fern species. They are found in many parts of the world including tropical, semitropi
Pteridaceae is a family of ferns in the order Polypodiales, including some 1150 known species in ca 45 genera, divided over five subfamilies. The family includes four groups of genera that are sometim