All these improvements make the CVTree server a useful complement to various phylogenetic projects *To whom correspondence should be addressed. Tel/Fax: +86 21 6565 2305; Email: xuzh.fdu@gmail.com, xuzh@fudan.edu.cn ß 2009 The Author(s) This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/ by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. such as AToL (Assembling the Tree of Life, http:// atol.sdsc.edu) or AFTOL (Assembling the Fungal Tree of Life, http://aftol.org) by providing independent verification and support to the SSU rRNA and few gene-based phylogenies (13) (14) (15) (16) (17) .