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 Guttiferales see Order Malpighiales Juss. ex Bercht. & J.Presl (1820)
           Family Guttiferae Juss. (1789), nom. cons. see Family Clusiaceae Lindl. (1836), nom. cons.
             Genus Hypericum L. (1753)
               Hypericum perforatum L. - common St Johnswort