Flora van Nederland Haeckel (1866) - plants
   Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998)
     Class Filicopsida C.Agardh (1822) - ferns see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966)
       Family Aspleniaceae Newman (1840) - spleenworts
         Genus Ceterach Willd. (1804) see Genus Asplenium L. (1753)
           1 Ceterach officinarum Willd.