[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]
               Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
                 Fabids see Clade Fabidae Judd, Soltis & Soltis 2007 [Judd, Soltis, Soltis & Cantino 2020]
                   Order Celastrales Link (1829)
                     Family Celastraceae R.Br. (1814), nom. cons. - bittersweet family
                       1 Genus Parnassia L. (1753)
                       2 Genus Lepuropetalon Elliott (1817)
                       3 'I' Subfamily Celastroideae Burnett
                       4 'II' Subfamily Stackhousioideae Burnett
                       5 'III' Subfamily Hippocrateoideae Lindl.
                       6 'IV' Subfamily Salacioideae N. Hallé ex Thorne & Reveal