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Organism
  Plantae
            Polypodiopsida
                    Cyatheales
                            Cyatheaceae
                                     Alsophila
                                             Alsophila capensis
                                               Alsophila capensis subsp. capensis
                                                     [Polystichum capense]
                                     Cyathea
                                             Cyathea arborea
                                                   [Cyathea serra]
                                     Sphaeropteris
                                             Sphaeropteris cooperi