Table 1 Population genetic summaries of N. australis and N. obscura

N. australis

NauANG

5

1.138 (± 0.339)

0.029 (± 0.106)

1.59 × 10^–4

2,446

NauALE

5

20

1.354 (± 0.480)

0.062 (± 0.165)

0.179 (± 0.142)

71.3 [35.9–520.9]

1.23 × 10^–3

1198

NauGRG

5

1.123 (± 0.313)

0.035 (± 0.108)

8.84 × 10^–5

5282

NauMRG

5

1.116 (± 0.312)

0.037 (± 0.119)

1.62 × 10^–4

3835

NauGRF

5

1.092 (± 0.285)

0.027 (± 0.106)

7.84 × 10^–5

2969

NauBAR

4

1.240 (± 0.428)

0.061 (± 0.145)

2.02 × 10^–4

5084

NauMG

4

1.216 (± 0.413)

0.056 (± 0.138)

1.57 × 10^–4

5357

NauGCH

4

1.181 (± 0.387)

0.047 (± 0.136)

1.88 × 10^–4

4272

Total

56

1.241

0.0439

2.83 × 10^–4

17,389

N. obscura

NobCHI

5

15

1.151 (± 0.347)

0.038 (± 0.117)

0.136 (± 0.108)

14.9 [4.6–652.2]

1.69 × 10^–4

721

NobMEC

5

1.030 (± 0.166

0.011 (± 0.069)

2.11 × 10^–5

1002

NobMCL

4

1.100 (± 0.290)

0.026 (± 0.094)

4.18 × 10^–5

1633

NobMRG

4

1.058 (± 0.234)

0.020 (± 0.093)

3.23 × 10^–5

1454

NobGCL

5

1.070 (± 0.250)

0.019 (± 0.088)

2.49 × 10^–5

1350

Total

33

1.168

0.0237

5.78 × 10^–5

15,715

T-test

T = 2.38 (p < 0.04)

T = 2.93 (p = 0.01)

W = 56 (p = 0.01)

T = 4.63 (p < 0.01)