[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)
           "Eudicots" see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
             "Core Eudicots" see Clade Gunneridae Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
               Asteridae Takht. (1967) see Superorder Asteranae Takht. (1967)
                 Lamiids see Clade Lamiidae Takhtajan 1987 [Olmstead, Judd & Cantino 2020]
                   Order Lamiales Bromhead (1838)
                     Family Acanthaceae Juss. (1789), nom. cons. - Acanthus family
                       Subfamily Acanthoideae Eaton
                         Tribe Ruellieae
                           Subtribe Andrographinae Nees (1832)
                             1 Genus Andrographis Wall. ex Nees, in Wall. (1832)
                             2 Genus Gymnostachyum Nees, in Wall. (1832)
                             3 Genus Phlogacanthus Nees, in Wall. (1832)