[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       Spermatophyta Britton & Brown 1896 [Crane & Kenrick 1997], nom. cl. inval. - seed plants see Clade Spermatophyta Britton & Brown 1896 [Cantino, Doyle & Donoghue 2020]
         Class Magnoliopsida Brongn. (1843)
           Monocotyledons see Superorder Lilianae Takht. (1967)
             Order Asparagales Link (1829)
               Family Iridaceae Juss. (1789), nom. cons. - Iris family
                 Subfamily Crocoideae
                   Tribe Ixieae Dumort. (1827)
                     01 Genus Babiana Ker-Gawler ex Sims (1801), nom. cons.
                     02 Genus Crocus L. (1753)
                     03 Genus Dierama K.H.E. Koch (1855)
                     04 Genus Freesia Ecklon ex Klatt (1866)
                     05 Genus Geissorhiza Ker-Gawler (1803)
                     06 Genus Gladiolus L. (1753)
                     07 Genus Hesperantha Ker-Gawler (1804)
                     08 Genus Ixia L. (1762), nom. cons.
                     09 Genus Romulea Maratti (1772), nom. cons.
                     10 Genus Tritonia Ker-Gawler (1802)
                     11 Genus Tritoniopsis L.Bolus (1929)