Natura - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Lapideum Regnum nom. inval. - mineral kingdom
         Class Minerae - minerals
           Order Sulphura
             17 Genus Electrum
             18 Genus Bitumen
             19 Genus Pyrites
             20 Genus Arsenicum