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 Cucurbitales Juss. ex Bercht. & J.Presl (1820)
           Family Cucurbitaceae Juss. (1789), nom. cons. - cucumber family
             Genus Citrullus Schrad. (1836)
               Citrullus lanatus (Thunb.) Mansf. - watermelon