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 Rutales Perleb (1826) see Order Sapindales Juss. ex Bercht. & J.Presl (1820)
           Family Polygalaceae Hoffmanns. & Link (1809), nom. cons. - milkwort family
             Genus Polygala L. (1753)
               1 Polygala serpyllifolia Hosé - heath milkwort
               2 Polygala comosa Schkuhr (1796)
               3 Polygala vulgaris L. - common milkwort