Angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967)
   Mesangiosperms see Clade Mesangiospermae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
     Eudicots see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
       Core eudicots see Clade Gunneridae Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
         Superasterids see Clade Superasteridae Judd, Soltis & Soltis 2011 [Judd, Soltis & Soltis 2020]
           Asterids see Clade Asteridae Takhtajan 1967 [Olmstead & Judd 2020]
             Campanulids see Clade Campanulidae Donoghue & Cantino 2007 [Donoghue & Cantino 2020]
               Order Aquifoliales Senft (1856)
                 Family Helwingiaceae Decne. (1836)