DupTree can be cited as follows: DupTree: A program for large-scale phylogenetic analyses using gene tree parsimony Andre Wehe, Mukul S. Bansal, J. G. Burleigh, Oliver Eulenstein. Bioinformatics, 24(13): 1540-1541, 2008. Contact: Andre Wehe (awehe@iastate.edu) or Mukul Bansal (bansal@cs.iastate.edu)