Decision trees for four hypothetical species with theirstates and characters. a) displays the optimal tree for Case 1, where Egrets are most abundant, while b) displays the optimal tree for Case 2, where all four species are equally abundant. Refer to  for further details.
Manoharan et al. BMC Bioinformatics 2008 9:150 doi:10.1186/1471-2105-9-150