1) Filicales 2) Order filicales 3) Order polypodiales 4) Plant order 1) Filicales 
The order Polypodiales encompasses the major lineages of polypod ferns, which comprise more than 80% of today`s fern species. They are found in many parts of the world including tropical, semitropical and temperate areas. The characteristics of this group include: sporangia with a vertical annulus interrupted by the stalk and stomium; indusia lat....