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)
               01 Hypericum maculatum Crantz (1763)
               02 Hypericum canadense L. - lesser Canadian St. Johnswort
               03 Hypericum elodes L.
               04 Hypericum hirsutum L.
               05 Hypericum humifusum L. - trailing St. Johnswort
               06 Hypericum pulchrum L.
               07 Hypericum montanum L.
               08 Hypericum quadrangulum L.
               09 Hypericum perforatum L. - common St Johnswort
               10 Hypericum ×desetangsii Lamotte (1874)
               11 Hypericum dubium Leers