Flora van Nederland Haeckel (1866) - plants
   Division Spermatophyta Goebel (1882) see Phylum Spermatophyta Goebel (1882)
     Subdivision Angiospermae J. Lindley (1830) see Infraphylum Angiospermae auct.
       Class Dicotyledones see Class Magnoliopsida Brongn. (1843)
         Order Ranales
           Family Ranunculaceae Juss. (1789), nom. cons. - buttercup family
             Genus Helleborus L. (1753)
               Helleborus viridis L. - green hellebore