Table 2 Haplotype diversity (h), the number of segregating sites (S), the average number of pairwise difference (k), and nucleotide diversity (π), and neutrality tests at mtDNA within cycad populations

C. revoluta:

Overall:

0.932

240

11.9

0.0500 ± 0.00600

Japan: AM

0.923

340

22.4

0.0392 ± 0.00382

-4.6531**

-2.4548***

-58.223 ***

   IR

0.962

199

24.3

0.0423 ± 0.00533

-3.2490

-2.0509*

-5.908 ***

   IS

0.908

399

43.3

0.0876 ± 0.02082

-3.9556**

-2.4527***

-0.656

   KO

0.941

209

24.7

0.0429 ± 0.00523

-2.9419*

-2.0702*

-4.241***

   OK

0.886

110

19.4

0.0335 ± 0.00437

-1.6804

-1.4166

-0.225

   YO

0.933

211

56.2

0.1050 ± 0.02041

-1.0720

-1.0007

0.462

China: FU

0.982

440

108.3

0.2597 ± 0.04094

-1.6974

-1.0465

-0.326

C. taitungensis:

Overall:

0.978

293

21.8

0.0383 ± 0.00470

Taiwan: C

0.967

64

9.9

0.0197 ± 0.00598

-0.4979

-1.6527

-1.482

   RL

0.975

271

23.8

0.0419 ± 0.00553

-0.0325

-2.1674*

-13.788***