Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           ?viruses
             Realm Riboviria
               Family Benyviridae [monotypic]
                 Genus Benyvirus
                   1 Beet necrotic yellow vein virusᵀ
                   2 Beet soil-borne mosaic virus
                   3 Burdock mottle virus
                   4 Rice stripe necrosis virus