Table 3. Analysis of Molecular variance (AMOVA) among and within sampling sites and regions.

Species	Source of variation	Df	Sum of squares	Variance %	Fixation indices
A. cervicornis:	Among regions	6	2.883	16.66	0.026*
by geographic regionsa	Among samples within regions	114	15.128	83.33
	Total	120	18.011	100
by DAPC assigned populationsa	Among populations	3	2.994	9.81	0.015*
	Among regions within populations	5	1.008	10.98	0.017*
	Among samples within regions	112	14.010	79.21	0.125*
	Total	120	18.011	100
A. palmata:	Among regions	5	3.854	15.969	0.028*
by geographic regionsa	Among samples within regions	153	22.153	84.031
	Total	158	26.007	100
by DAPC assigned populationsa	Among populations	2	2.878	8.91	0.015*
	Among regions within populations	4	1.148	7.88	0.014*
	Among samples within regions	152	21.981	83.21	0.144*
	Total	158	26.007	100

Notes.

^*Significance at alpha= 0.05 based on 9,999 permutations.

^aColombia collection sites were combined.