embryophytes - land plants see Superphylum Embryophyta Engl. (1887)
   angiosperms - flowering plants see Subclass Magnoliidae Novák ex Takht. (1967)
     monocots see Clade Monocotyledoneae de Candolle 1817 [Judd, Soltis, Soltis & Graham 2020]
       Order Alismatales R.Br. ex Bercht. & J.Presl (1820)
         01 Family Alismataceae Vent. (1799), nom. cons. - water-plantain family
         02 Family Aponogetonaceae Planch. (1856), nom. cons. - Cape-pondweed family
         03 Family Araceae Juss. (1789), nom. cons. - Arum family
         04 Family Butomaceae Mirb. (1804), nom. cons. - flowering rush family
         05 Family Cymodoceaceae Vines (1895), nom. cons. - Cymodocea family
         06 Family Hydrocharitaceae Juss. (1789), nom. cons. - tape-grass family
         07 Family Juncaginaceae Rich. (1808), nom. cons. - arrow-grass family
         08 Family Posidoniaceae Vines (1895), nom. cons.
         09 Family Potamogetonaceae Bercht. & J.Presl (1823), nom. cons. - pondweed family
         10 Family Ruppiaceae Horan. (1834), nom. cons. - ditch-grass family
         11 Family Scheuchzeriaceae F.Rudolphi (1830), nom. cons.
         12 Family Tofieldiaceae Takht. (1995)
         13 Family Zosteraceae Dumort. (1829), nom. cons.