Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843)
     Subclass Alismatidae Takht. (1967) see Order Alismatales R.Br. ex Bercht. & J.Presl (1820)
       Superorder Alismatanae Takht. (1967) see Order Alismatales R.Br. ex Bercht. & J.Presl (1820)
         Order Juncaginales Hutch. (1934) see Order Alismatales R.Br. ex Bercht. & J.Presl (1820)
           Suborder Scheuchzeriineae see Order Alismatales R.Br. ex Bercht. & J.Presl (1820)
             1 Family Scheuchzeriaceae F.Rudolphi (1830), nom. cons.