Flora van Nederland Haeckel (1866) - plants
Status: extant
   Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998)
  Status: extant
     Class Filicopsida C.Agardh (1822) - ferns see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966)
    Status: extant
       Family Marsileaceae Mirb. (1802) - clover ferns
      Status: extant
         Genus Pilularia L. (1753)
        Status: extant
           Pilularia globulifera L.
          Status: extant