Taxon Search
Organism
  Plantae
    Viridiplantae
      Streptophyta
      Embryophyta
      Tracheophyta
        Spermatophytina
            Magnoliopsida
                  Asteranae
                    Lamiales
                           [Callitrichales]
                           [Plantaginales]
                           [Scrophulariales]
                            Plantaginaceae
                                   [Callitrichaceae]
                                   [Globulariaceae]
                                   [Hippuridaceae]
                                    Collinsia
                                            Collinsia violacea
                                    Gratiola
                                            Gratiola quartermaniae
                                    Penstemon
                                            Penstemon angustifolius
                                              Penstemon angustifolius var. candatus
                                            Penstemon careyi
                                            Penstemon debilis
                                            Penstemon deustus var. deustus x P. deustus var. heterander
                                            Penstemon fenderli
                                            Penstemon grandiflorus
                                            Penstemon grinnelii
                                            Penstemon haydenii
                                            Penstemon jerocerus
                                            Penstemon laricifolius
                                              Penstemon laricifolius var. exilifolius
                                            Penstemon lentus
                                              Penstemon lentus subsp. lentus
                                            Penstemon moffattii
                                            Penstemon penlandii
                                            Penstemon scrophulorum
                                            Penstemon secendiflorus
                                            Penstemon strictus
                                              Penstemon strictus subsp. strictus
                                            Penstemon tubaeflorus
                                    Plantago
                                            Plantago arachnoides
                                            Plantago asialica
                                            Plantago cordata
                                            Plantago hawaiensis
                                            Plantago patagonica
                                              Plantago patagonica var. brevicarpa
                                            Plantago princeps
                                            Plantago rugellii