(1) a dissimilarity matrix file matrix.txt: this file can be used to construct the phylogenetic trees by calling different programs of the user's choice. (2) Two Newick tree format files: NJtree.nwk for a full tree and Genus NJtree.nwk for a tree 'collapsed' to genus level. These files can be viewed in MEGA and in some other phylogenetic programs. (3) Two ASCII tree files: NJtree.txt for a full tree and Genus_NJtree.txt for a tree collapsed to genus level. These files can be displayed directly in any text editor with monospace font.