[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)
             Commelinids see Clade Commelinidae Takhtajan 1967 [Graham, Saarela & Judd 2020]
               Order Poales Burnett (1835) - grasses
                 Family Eriocaulaceae Martinov (1820), nom. cons. - pipewort family
                   Subfamily Paepalanthoideae
                     1 Genus Blastocaulon Ruhland, in Engl. (1903)
                     2 Genus Lachnocaulon Kunth (1841)
                     3 Genus Leiothrix Ruhland (1903)
                     4 Genus Mesanthemum Körnicke (1856)
                     5.1 Genus Paepalanthus Kunth (1841), nom. cons.
                     5.2 Genus Actinocephalus (Körn.) Sano
                     6 Genus Philodice Mart. (1835)
                     7 Genus Rondonanthus
                     8 Genus Syngonanthus Ruhland, in Urban (1900)
                     9 Genus Tonina Aubl. (1775)