Two species isolated from Corchorus from Vietnam (informally 'Corchovirus') somewhat unexpectedly group with the New World species.
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One group infecting a range of legumes originating from India and Southeast Asia (informally 'Legumovirus') and a set of viruses isolated from Ipomoea species originating from America, Asia and Europe (informally 'Sweepovirus') appear to be basal to all the other species.