Figure 4.

World distribution of new Caenorhabditis species discovered since 2005. Based on the strains listed in Additional File 8 and [54]. Squares: Drosophilae super-group species. Circles: Elegans super-group species.

Kiontke et al. BMC Evolutionary Biology 2011 11:339   doi:10.1186/1471-2148-11-339
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