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 Santalales R.Br. ex Bercht. & J.Presl (1820)
           Family Santalaceae R.Br. (1810), nom. cons. - sandalwood family
             Genus Thesium L. (1753)
               Thesium humifusum DC. (1815)