Natura - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Vegetabile Regnum nom. inval. - plant kingdom see Kingdom Plantae Haeckel (1866)
         Publicae
           Monoclinia
             Diffinitas
               Subordinatio
                 Class Didynamia L. (1735), nom. inval. see Class Didynamia L. (1753), nom. inval.
                   Order Gymnospermia L. (1735), nom. inval. see Order Gymnospermia L. (1753), nom. inval.
                     Calyces 5fidi, subaequales
                       Genus Ajuga see Genus Ajuga L. (1753)