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"
             Realm Riboviria
               Order Picornavirales
                 Family Secoviridae
                   Subfamily Comovirinae
                     Genus Fabavirus
                       1? Lamium mild mosaic virus
                       2.1 Grapevine fabavirus
                       2.2 Prunus virus F
                       3.1 Cucurbit mild mosaic virus
                       3.2.1 Broad bean wilt virus 1ᵀ
                       3.2.2.1 Broad bean wilt virus 2
                       3.2.2.2 Gentian mosaic virus