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Organism
  Plantae
      Tracheophyta
            Magnoliopsida
                    Ericales
                            Clethraceae
                                     Clethra
                                             Clethra acuminata
                                             Clethra alnifolia
                                                   [Clethra alnifolia var. tomentosa]
                                                   [Clethra tomentosa]