Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Lapideum - mineral kingdom
         Class Fossilia nom. inval. - Lapides aggregati
           Order Terræ
             Genus Humus - soil
               1 Humus animalis, conchæ lævis oblongæ - shell lime
               1.0 Humus conchacea - shell lime see Humus animalis, conchae laevis oblongae
               2 Humus vegetabilis communis - humus
               2.0 Humus atra - humus see Humus vegetabilis communis
               3 Humus vegetabilis palustris pura - loam
               3.0 Lutum - loam see Humus vegetabilis palustris pura
               4 Humus vegetabilis paludosa, radicibus mixta - peat
               4.0 Turfa - peat see Humus vegetabilis paludosa, radicibus mixta