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 Asplenium L. (1753)
           1 Asplenium scolopendrium L. - Hart's tonguefern
           2 Asplenium trichomanes L. (1753) - maidenhair spleenwort
           3 Asplenium viride Huds.
           4 Asplenium ruta-muraria L. - wallrue
           5 Asplenium adiantum-nigrum L. - black spleenwort
           6 Asplenium fontanum (L.) Bernh.
           7 Asplenium foresiense Le Grand