Central Taxonomic Thesaurus

Taxon Search
Organism
  Plantae
    Pteridobiotina
      Tracheophyta
            Polypodiopsida
                    Polypodiales
                            Cystopteridaceae
                                     Cystopteris
                                             Cystopteris alpina
                                                   [Aspidium alpinum]
                                             Cystopteris bulbifera
                                                   [Aspidium bulbiferum]
                                             Cystopteris diaphana
                                             Cystopteris fragilis
                                               Cystopteris fragilis subsp. fragilis
                                                     [Cystopteris dentata]
                                                     [Cystopteris fragilis subsp. regia]
                                                     [Cystopteris regia]
                                             Cystopteris montana
                                             Cystopteris sudetica
                                             Cystopteris tenuis
                                     Gymnocarpium
                                             Gymnocarpium dryopteris
                                                   [Aspidium dryopteris]
                                                   [Dryopteris linnaeana]
                                                   [Phegopteris dryopteris]
                                                   [Thelypteris dryopteris]
                                             Gymnocarpium robertianum
                                                   [Dryopteris robertiana]