Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         ["Regnum Vegetabile" L. (1753), nom. inval. - plant kingdom] see Kingdom Plantae Haeckel (1866)
           01 [Class "Monandria" L. (1753), nom. inval.]
           02 [Class "Diandria" L. (1753), nom. inval.]
           03 [Class "Triandria" L. (1753), nom. inval.]
           04 [Class "Tetrandria" L. (1753), nom. inval.]
           05 [Class "Pentandria" L. (1753), nom. inval.]
           06 [Class "Hexandria" L. (1753), nom. inval.]
           07 [Class "Heptandria" L. (1753), nom. inval.]
           08 [Class "Octandria" L. (1753), nom. inval.]
           09 [Class "Enneandria" L. (1753), nom. inval.]
           10 [Class "Decandria" L. (1753), nom. inval.]
           11 [Class "Dodecandria" L. (1753), nom. inval.]
           12 [Class "Icosandria" L. (1753), nom. inval.]
           13 [Class "Polyandria" L. (1753), nom. inval.]
           14 [Class "Didynamia" L. (1753), nom. inval.]
           15 [Class "Tetradynamia" L. (1753), nom. inval.]
           16 [Class "Monadelphia" L. (1753), nom. inval.]
           17 [Class "Diadelphia" L. (1753), nom. inval.]
           18 [Class "Polyadelphia" L. (1753), nom. inval.]
           19 [Class "Syngenesia" L. (1753), nom. inval.]
           20 [Class "Gynandria" L. (1753), nom. inval.]
           21 [Class "Monoecia" L. (1753), nom. inval. - monoecious plants]
           22 [Class "Dioecia" L. (1753), nom. inval. - dioecious plants]
           23 [Class "Polygamia" L. (1753), nom. inval.]
           24 [Class Cryptogamia L. (1753)]
           25 ["Palmae" L. (1753), nom. inval.]
           28 [Genus Brossaea L. (1753)]
           38 [Genus Rumphia L. (1753)]