Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Lapideum - mineral kingdom
         Class Mineræ - minerals
           Order Mercurialia - metals
             Genus Plumbum - lead see lead
               1 Plumbum particulis tessulatis contiguis
               1.0 Galena tessulata see Plumbum particulis tessulatis contiguis
               2 Plumbum particulis tessulatis sparsis granulatis
               2.0 Minera plumbi granulata see Plumbum particulis tessulatis sparsis granulatis
               3 Plumbum particulis pulverulentis sparsis nitidis
               3.0 Minera plumbi punctata see Plumbum particulis pulverulentis sparsis nitidis
               4 Plumbum particulis pulverulentis sparsis fugacibus
               4.0 Minera plumbi colore fugaci see Plumbum particulis pulverulentis sparsis fugacibus
               5 Plumbum nitri spatosi utrinq; truncati, viride
               5.0 Minera plumbi crystallina see Plumbum nitri spatosi utrinq; truncati, viride