Taxon Search
  Plantae
    Tracheobionta
      Lycopodiophyta
            Lycopodiopsida
                    Isoetales
                            Isoetaceae
                                    Calamaria
                                            Calamaria saccharata
                                    Isoetes
                                            Isoetes acadiensis
                                            Isoetes appalachiana
                                            Isoetes bolanderi
                                                   [Isoetes bolanderi var. pygmaea]
                                                   [Isoetes pygmaea]
                                              Isoetes bolanderi var. bolanderi
                                            Isoetes boomii
                                            Isoetes braunii
                                            Isoetes butleri
                                            Isoetes canadensis
                                            Isoetes caroliniana
                                            Isoetes eatonii
                                              Isoetes eatonii var. gravesii
                                            Isoetes echinospora
                                              Isoetes echinospora ssp. asiatica
                                              Isoetes echinospora ssp. maritima
                                              Isoetes echinospora ssp. muricata
                                              Isoetes echinospora var. asiatica
                                              Isoetes echinospora var. braunii
                                              Isoetes echinospora var. hesperia
                                              Isoetes echinospora var. maritima
                                              Isoetes echinospora var. muricata
                                              Isoetes echinospora var. robusta
                                              Isoetes echinospora var. savilei
                                            Isoetes engelmannii
                                              Isoetes engelmannii var. caroliniana
                                              Isoetes engelmannii var. georgiana
                                              Isoetes engelmannii var. gracilis
                                              Isoetes engelmannii var. valida
                                            Isoetes flaccida
                                              Isoetes flaccida var. alata
                                              Isoetes flaccida var. chapmanii
                                              Isoetes flaccida var. flaccida
                                              Isoetes flaccida var. rigida
                                            Isoetes flettii
                                            Isoetes georgiana
                                            Isoetes gravesii
                                            Isoetes gunnii
                                            Isoetes hawaiiensis
                                            Isoetes hieroglyphica
                                            Isoetes howellii
                                                   [Isoetes underwoodii]
                                              Isoetes howellii var. minima
                                            Isoetes hyemalis
                                            Isoetes junciformis
                                            Isoetes lacustris
                                              Isoetes lacustris ssp. paupercula
                                              Isoetes lacustris var. paupercula
                                            Isoetes lithophila
                                            Isoetes louisianensis
                                            Isoetes macrospora
                                            Isoetes maritima
                                            Isoetes mattaponica
                                            Isoetes melanopoda
                                              Isoetes melanopoda var. californica
                                            Isoetes melanospora
                                            Isoetes mexicana
                                            Isoetes microvela
                                            Isoetes minima
                                            Isoetes muricata
                                              Isoetes muricata ssp. maritima
                                              Isoetes muricata var. braunii
                                              Isoetes muricata var. hesperia
                                            Isoetes nuttallii
                                              Isoetes nuttallii var. orcuttii
                                            Isoetes occidentalis
                                            Isoetes orcutti
                                            Isoetes orcuttii
                                            Isoetes paupercula
                                            Isoetes piedmontana
                                            Isoetes piperi
                                            Isoetes pringlei
                                            Isoetes prototypus
                                            Isoetes riparia
                                              Isoetes riparia var. amesii
                                              Isoetes riparia var. canadensis
                                              Isoetes riparia var. palmeri
                                              Isoetes riparia var. reticulata
                                              Isoetes riparia var. riparia
                                              Isoetes riparia var. robbinsii
                                            Isoetes saccharata
                                              Isoetes saccharata var. amesii
                                            Isoetes setacea
                                              Isoetes setacea ssp. muricata
                                            Isoetes tegetiformans
                                            Isoetes tenella
                                            Isoetes tuckermanii
                                              Isoetes tuckermanii var. harveyi
                                              Isoetes tuckermanii var. heterospora
                                            Isoetes valida
                                            Isoetes virginica
                                              Isoetes virginica var. piedmontana
                                            Isoetes x altonharvillii
                                            Isoetes x brittonii
                                            Isoetes x bruntonii
                                            Isoetes x dodgei
                                            Isoetes x eatonii
                                            Isoetes x echtuckeri
                                            Isoetes x fairbrothersii
                                            Isoetes x foveolata
                                            Isoetes x harveyi
                                            Isoetes x heterospora
                                            Isoetes x hickeyi
                                            Isoetes x jeffreyi
                                            Isoetes x pseudotruncata
                                            Isoetes x truncata