[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 Pandanales R.Br. ex Bercht. & J.Presl (1820)
               Family Stemonaceae Caruel (1878), nom. cons. - Stemona family
                 1 Genus Croomia J. Torrey, in J. Torrey & A.Gray (1840)
                 2 Genus Pentastemona C.G.G.J. van Steenis (1982)
                 3 Genus Stemona Lour. (1790)
                 4 Genus Stichoneuron Hook.f., in Bentham & Hook.f. (1883)