Divisive clustering tree. Phylogenetic tree resulting from the divisive clustering of the FAME data of 15 Bacillus species based on classification by Random Forests. Clustering is based on AUC and average linkage of the probability estimates calculated from identification by Random Forests. At the different nodes the corresponding AUC value is reported. The Bacillus cereus and Bacillus subtilis groups are coloured in blue and green, respectively.