Central Taxonomic Thesaurus

Taxon Search
Organism
  Plantae
    Pteridobiotina
      Tracheophyta
            Polypodiopsida
                    Polypodiales
                            Woodsiaceae
                                     Physematium
                                             Physematium fragile
                                                   [Woodsia fragilis]
                                             Physematium molle
                                                   [Woodsia mollis]
                                             Physematium obtusum
                                               Physematium obtusum subsp. obtusum
                                                     [Woodsia perriniana]
                                     Woodsia
                                             Woodsia alpina
                                                   [Woodsia hyperborea]
                                                   [Woodsia ilvensis subsp. alpina]
                                             Woodsia glabella
                                             Woodsia ilvensis
                                             Woodsia pulchella