Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           ?"viruses"
             Order Ortervirales
               Family Pseudoviridae
                 Genus Sirevirus
                   1.1 Arabidopsis thaliana Endovir virus
                   1.2 Glycine max SIRE1 virusᵀ
                   2.1 Lycopersicon esculentum ToRTL1 virus
                   2.2.1 Zea mays Prem2 virus
                   2.2.1.0 [Zea mays Prem-2 virus]
                   2.2.2 Zea mays Opie2 virus
                   2.2.2.0 [Zea mays Opie-2 virus]