Additional file 1.

Scatterplot of the principal component scores derived from five morphological measures. Scatterplot of the principal component scores derived from five morphological measures for P. debilis. Code Key: red (1) lowland rabai, green (2) montane albigula from the Usambara Mts, and blue (3) montane albigula from the Nguru Mts).

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Fuchs et al. BMC Evolutionary Biology 2011 11:117   doi:10.1186/1471-2148-11-117