pea streak virus pea streak virus pea streak virus (pesv) is a plant pathogenic virus. pea streak virus virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: kitrinoviricota class: alsuviricetes order: tymovirales family: betaflexiviridae genus: carlavirus species: pea streak virus synonyms alfalfa latent virus steinklee virus wisconsin pea streak virus probably pea streak new zealand virus