Maximum likelihood profiles for the centers (A) and widths (B) of clines. Cline centers for the nuclear loci are concordant with each other, while the mitochondrial cline is shifted significantly to the west (A). There is no significant difference in cline widths (B).
Devitt et al. BMC Evolutionary Biology 2011 11:245 doi:10.1186/1471-2148-11-245