Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843)
     Subclass Commelinidae Takht. (1967) see Order Commelinales Mirb. ex Bercht. & J.Presl (1820)
       Superorder Pontederianae Takht. ex Reveal (1992) see Order Commelinales Mirb. ex Bercht. & J.Presl (1820)
         Order Haemodorales Hutch. (1934) see Order Commelinales Mirb. ex Bercht. & J.Presl (1820)
           Family Conostylidaceae Takht. (1987) see Subfamily Conostyloideae
             Tribe Tribonantheae
               Genus Tribonanthes Endl., in Endl. & Fenzl (1839)