grapevine virus f grapevine virus f grapevine virus f (gvf) is a plant virus species in the genus vitivirus. grape vine virus f virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: kitrinoviricota class: alsuviricetes order: tymovirales family: betaflexiviridae genus: vitivirus species: grape vine virus f