Table 3. Genetic diversity among the populations area of Isoetes cangaeandI. serracarajensis.

	TPL	% PLP	Rare Locus	He	Sh	GST	Nm
Isoetes cangae(collection areas)
ICN	47	42.61	6	0.136	0.208
ICS	36	33.04	3	0.096	0.149
ICE	47	40.87	1	0.123	0.190
ICW	79	64.35	6	0.210	0.318
Mean		41.74	4.5	0.129	0.199
Species level		81.74		0.245	0.376		1.714
Isoetes serracarajensis(populations)
ISN3	25	21.74	5	0.082	0.120
ISN6	32	26.96	3	0.071	0.111
ISV	52	45.22	3	0.164	0.242
IS11	18	16.52	5	0.043	0.060
Mean		24.35	4	0.076	0.115
Species level		63.48		0.187	0.289	0.5440	0.419

Notes.

TPL

Total polymorphic locus

% PLP

Percentage of polymorphic loci

Rare Locus; He

corrected expected Nei heterozygosity (1978) (assuming Hardy–Weinberg equilibrium)

Sh

Shannon & Weaver Diversity Index

GST

Proportion of genetic diversity among populations

Nm

Gene flow