[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 Watsonieae
                     1 Genus Lapeirousia Pourret (1788)
                     2 Genus Watsonia Mill. (1758), nom. cons.