Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Plantae Haeckel (1866) - plants
                           Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                             Infrakingdom Streptophyta Caval.-Sm. (1993)
                               [crown] Clade Phragmoplastophyta Lecointre & Le Guyader 2006 [Hall, McCourt, Delwiche, Mishler & Karol 2020]
                                 [crown] Clade Embryophytaᵀ Engler 1887 [Mishler & Qiu 2020]
                                   Clade Pan-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                     Clade Apo-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                       [crown] Phylum Tracheophytaᵀ Sinnott ex Caval.-Sm. (1998) - vascular plants
                                         Clade Pan-Euphyllophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                           [crown] Clade Euphyllophytaᵀ Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
                                             Clade Pan-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
                                               Clade Lignophytaᵀ Crane & Kenrick 1997, nom. cl. inval.
                                                 Clade Apo-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
                                                   [crown] Subphylum Spermatophytinaᵀ Caval.-Sm. (1998) - seed plants
                                                     Clade Pan-Angiospermae Cantino & Donoghue 2007 [Doyle, Cantino & Donoghue 2020]
                                                       [crown] Class Magnoliopsidaᵀ Brongn. (1843)
                                                         [crown] Clade Mesangiospermaeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
                                                           Clade Tricolpataeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
                                                             [crown] Clade Eudicotyledoneaeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
                                                               [crown] Clade Gunneridaeᵀ Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
                                                                 [crown] Clade Pentapetalaeᵀ Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
                                                                   [crown] Clade Superrosidaeᵀ Judd, Soltis & Soltis 2011 [Judd, Soltis & Soltis 2020]
                                                                     Superorder Rosanaeᵀ Takht. (1967)
                                                                       [crown] Clade Fabidaeᵀ Judd, Soltis & Soltis 2007 [Judd, Soltis, Soltis & Cantino 2020]
                                                                         Order Rosales Bercht. & J.Presl (1820)
                                                                           Family Ulmaceae Mirb. (1815), nom. cons. - elm family
                                                                             Genus †Cedrelospermum Saporta (1889)
                                                                             Genus †Celtidophyllum Krasser (1896)
                                                                             Genus †Celtoidanthus Weyland, Pflug & Jähnichen (1958)
                                                                             Genus Chaetoptelea Liebmann (1850)
                                                                             Genus Momisia F. Dietr. (1819)
                                                                             Genus †Tremophyllum L. Rüffle (1963)
                                                                             Genus †Ulmacites R. Caspary ex H. Conwentz (1886)
                                                                             [Genus †Ulmiphyllum Fontaine (1889)] see Genus Ulmophyllum Ettingsh. (1887)
                                                                             Genus †Ulmites J.W. Dawson (1891), nom. illeg.
                                                                             Genus †Ulmophyllum Ettingsh. (1887)
                                                                             Genus †Ulmoxylon P. Kaiser (1879)
                                                                             Genus †Ulmuxylon G. Charrier (1951)
                                                                             1 Genus Ulmus L. (1753) - elms
                                                                             2 Genus Holoptelea Planch. (1848)
                                                                             3 Genus Hemiptelea Planch. (1872)
                                                                             4 Genus Zelkova Spach (1841), nom. cons.
                                                                             5 Genus Planera J.F. Gmelin (1791)
                                                                             6 Genus Phyllostylon Capanema ex Bentham & Hook.f. (1880)
                                                                             7 Genus Ampelocera Klotzsch (1847)
                                                                             n.0 [Subfamily Ulmoideaeᵀ] see Family Ulmaceae Mirb. (1815), nom. cons.
                                                                             n.1 [Subfamily Celtidoideae Engl.] see Family Cannabaceae Martinov (1820), nom. cons.
                                                                             n.1.1.0 [Genus "Chaetacme" nom. null.] see Genus Chaetachme Planchon (1848)