[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)
                 Campanulids see Clade Campanulidae Donoghue & Cantino 2007 [Donoghue & Cantino 2020]
                   Order Asterales Link (1829)
                     Family Compositae Giseke (1792), nom. cons.
                       Subfamily Asteroideae (Cass.) Lindl.
                         Tribe Astereae Cass. (1819)
                           Subtribe Chr. G.L. Nesom (1994)
                             1.1 Genus Heterotheca Cassini (1817)
                             1.2 Genus Chrysopsis (Nutt.) Elliott (1823), nom. cons.
                             1.3 Genus Pityopsis Nutt. (1840)