living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Virus see [unranked] viruses
       plant viruses
         [unranked] Tobravirus Group see Genus Tobravirus
           "Tobacco rattle virus"ᵀ
             1 (Isolate) "PRN isolate"ᵀ
             2 "Aster Ringspot Virus"
             3 "potato stem mottle virus"
             4 "Belladonna Mosaic Virus"