Table 2.

Pairwise comparisons of the average genetic distances and Fst values between pairs of three phylogenetic groups

Gropupsa	S-1	S-2	S-3
S-1		0.00047	0.00656
S-2	0.281		0.00669
S-3	0.640	0.625

Above diagonal, average genetic distance; below diagonal, Fst

^aS-1, S-2, and S-3 are phylogenetic groups detected by NJ analysis (Fig. 3) and PCA (Additional file 2: Figure S2)