Figure 4.

Inferred species trees. The set <a onClick="popup('http://www.biomedcentral.com/1471-2105/13/S19/S6/mathml/M112','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2105/13/S19/S6/mathml/M112">View MathML</a> inferred from the event labeled gene tree (T,t, σ) does not necessarily define a unique species tree. For clarity of exposition, we have identified, via the map σ, the leaves of the gene tree and of the set of triples <a onClick="popup('http://www.biomedcentral.com/1471-2105/13/S19/S6/mathml/M113','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2105/13/S19/S6/mathml/M113">View MathML</a> with the species they reside in.

Hernandez-Rosales et al. BMC Bioinformatics 2012 13(Suppl 19):S6   doi:10.1186/1471-2105-13-S19-S6