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16S rDNA dendrogram of relatedness showing the phylogenetic positions of E. ursincola and S. sibiricus released from the genus Erythromicrobium, within the radiation of members of the genus Sphingomonas and related taxa. Numbers refer to bootstrap values, of which only those above 80% are shown. Bar = 5% inferred sequence divergence. (This tree was created by E. Stackebrandt.)
