Table 4.

Information and genetic diversity of candidate DNA barcode regions.

DNA barcode	Aligned Length (bp)	Variable characters	Nucleotide diversity(π)	Tajima’s test (D)	Mean intraspecific distance	Mean interspecies distance	Intraspecific/interspecies distance ratio
I	437	26	0.001	−0.882	0.0010	0.0095	0.1048
M	712	28	0.009	0.175	0.0049	0.0091	0.5374
R	582	6	0.002	0.150	0.0017	0.0022	0.7399
P	688	10	0.003	−0.672	0.0010	0.0126	0.0767
I + M	1149	54	0.009	−0.356	0.0031	0.0093	0.3301
I + R	1019	19	0.005	−0.700	0.0010	0.0054	0.1828
I + P	1125	36	0.005	−0.883	0.0006	0.0114	0.0551
M + R	1294	34	0.006	0.182	0.0034	0.0060	0.5691
M + P	1400	38	0.006	−0.075	0.0030	0.0108	0.2745
R + P	1270	16	0.002	−0.389	0.0013	0.0079	0.1626
I + M + R	1731	60	0.007	−0.303	0.0026	0.0069	0.3754
I + M + P	1837	64	0.007	−0.433	0.0023	0.0105	0.2165
I + R + P	1707	42	0.004	−0.740	0.0010	0.0083	0.1181
M + R + P	1982	44	0.005	−0.038	0.0026	0.0083	0.3096
I + M + R + P	2419	70	0.006	−0.381	0.0021	0.0085	0.2497

I, ITS2; M, matK; R, rbcL; P, psbM-petN.