Table 2: Results of AMOVA analysis of molecular variance for populations and geographical groups of C. spinosa.

Source of variationd.f.SSVCPV (%)Fixation index

Among groups4738.9613.72371.83: 0.71831
Among populations within groups26175.3410.69313.37: 0.47458
Within populations236181.0390.76714.80: 0.85199

d.f.: degrees of freedom; SS: sum of squares; VC: variance components; PV: percentage of variation; : correlation of chlorotypes within populations relative to groups; : correlation within populations relative to the total; : correlation within groups relative to the total; ; 1000 permutations.