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 Monocotyledones see Class Liliopsida Batsch (1802)
         Order Spathiflorae
           Family Araceae Juss. (1789), nom. cons. - Arum family
             Genus Calla L. (1753)
               1 Calla palustris L. - water arum