Central Taxonomic Thesaurus

Taxon Search
Organism
  Plantae
    Tracheophyta
      Angiosperms
        Core Angiosperms
            Eudicots
                   [Magnoliopsida]
                    Fagales
                            Betulaceae
                                     Alnus
                                             Alnus acuminata
                                             Alnus glutinosa
                                     Betula
                                             Betula pendula
                                               Betula pendula subsp. fontqueri
                                               Betula pendula subsp. pendula
                                             Betula pubescens
                                     Carpinus
                                             Carpinus betulus