Central Taxonomic Thesaurus
Taxon Search
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  Plantae
    Tracheophyta
           [Tracheobionta]
      Pteridophyta
            Polypodiopsida
                    Polypodiales
                            Pteridryaceae
                                     Polydictyum
                                             Polydictyum menyanthidis
                                                   [Tectaria menyanthidis]
                                             Polydictyum ternatum
                                                   [Tectaria ternata]
                                             Polydictyum variabile