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Bayesian maximum likelihood trees of aligned RdRp amino acid sequences from the SOG genome and members of the family Tombusviridae and unassigned genus Umbravirus. Bayesian clade credibility values are shown for relevant nodes in boldface followed by bootstrap values based on neighbour-joining analysis. The Bayesian scale bar indicates a distance of 0.1. See Additional file 2 for complete virus names and accession numbers.
