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 Violales Perleb (1826) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820)
           Family Cistaceae Juss. (1789), nom. cons. - rock-rose family
             Genus Helianthemum Mill. (1754)
               Helianthemum nummularium (L.) Mill.