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

Source of variation

d.f.

SS

VC

PV (%)

Fixation index

Among groups

4

738.961

3.723

71.83

: 0.71831

Among populations within groups

26

175.341

0.693

13.37

: 0.47458

Within populations

236

181.039

0.767

14.80

: 0.85199

Total

266

1095.341

5.183

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.