int getClassifications(Tree*&);
map<string, set<string> > getDescendantList(Tree*&, int, map<int, map<string, set<string> > >);
string getTaxonomy(set<string>, int&);
int getClassifications(Tree*&);
map<string, set<string> > getDescendantList(Tree*&, int, map<int, map<string, set<string> > >);
string getTaxonomy(set<string>, int&);