Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       artefacta - artefacts
         Product group materials
           Product group textile materials
             Product group plant textiles
               1 Product cotton (yarn)
               1.n Product cotton (fabric)
               1.n Product cotton flannel (fabric)
               2 Product linen (yarn)
               2.n Product linen (fabric)