[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 Alismatales R.Br. ex Bercht. & J.Presl (1820)
               01 Family Acoraceae Martinov (1820)
               02 Family Araceae Juss. (1789), nom. cons. - Arum family
               03 Family Tofieldiaceae Takht. (1995)
               04 Family Alismataceae Vent. (1799), nom. cons. - water-plantain family
               05 Family Butomaceae Mirb. (1804), nom. cons. - flowering rush family
               06 Family Hydrocharitaceae Juss. (1789), nom. cons. - tape-grass family
               07 Family Scheuchzeriaceae F.Rudolphi (1830), nom. cons.
               08 Family Aponogetonaceae Planch. (1856), nom. cons. - Cape-pondweed family
               09 Family Juncaginaceae Rich. (1808), nom. cons. - arrow-grass family
               10.1 Family Posidoniaceae Vines (1895), nom. cons.
               10.2 Family Ruppiaceae Horan. (1834), nom. cons. - ditch-grass family
               10.3 Family Cymodoceaceae Vines (1895), nom. cons. - Cymodocea family
               10.4 Family Potamogetonaceae Bercht. & J.Presl (1823), nom. cons. - pondweed family
               10.5 Family Zosteraceae Dumort. (1829), nom. cons.