Pteridophytes

   Division - Lycopodiophyta 
      Order - Lycopodiales 
         Family - Lycopodiaceae (Clubmosses)
      Order - Selaginellales 
         Family - Selaginellales (Spikemosses)
      Order - Isoetales
         Family - Isoetaceae (Quillworts)

   Division - Polypodiophyta   
      Order - Equisetales
         Family - Equisetaceae (Horsetails)
      Order - Ophioglossales
         Family - Ophioglossaceae (Adder’s Tongue)
      Order - Filicales (Ferns)
         Family - Osmundaceae (Royal Ferns)
         Family - Hymenophyllaceae (Filmy-ferns)
         Family - Polypodiaceae (Polypodies)
         Family - Dennstaedtiaceae (Bracken)
         Family - Cystopteridaceae (Oak & Bladder-ferns)
         Family - Aspleniaceae (Spleenworts & Allies)
         Family - Woodsiaceae (Woodsias)
         Family - Athyriaceae (Lady-ferns)
         Family -  Thelypteridaceae (Marsh & Beech Ferns)
         Family - Blechnaceae (Hard-fern)
         Family - Dryopteridaceae (Shield, Male, & Buckler-ferns)