[viruses]
   Realm Riboviria
     Phylum Negarnaviricota
       Subphylum Haploviricotina
         Class Milneviricetes [monotypic]
           Order Serpentovirales [monotypic]
             Family Aspiviridae [monotypic]
               Genus Ophiovirus
                 Mirafiori lettuce big-vein ophiovirus