Table 4. The list of amino acid residues under positive selection in the Iodes branch.

Gene	Positive selected position	Amino acid	Omega value
ccsA	50	T	0.587
	52	F	0.505
	131	A	0.502
	242	R	0.647
matK	186	R	0.815
	434	G	0.771
	495	S	0.587
	568	V	0.672
	639	R	0.868
ndhE	5	Y	0.660
	34	F	0.669
	68	G	0.559
	78	S	0.525
ndhF	503	M	0.685
	512	F	0.642
	723	I	0.639
ndhK	224	R	0.994
psaA	18	H	0.717
	28	R	0.719
	652	A	0.702
	680	P	0.896
	771	H	0.946
	856	F	0.985
	859	R	0.580
	860	D	0.984
	861	Y	0.979
	862	D	0.569
	871	L	0.934
	873	R	0.979
	875	L	0.756
	877	H	0.993
	879	D	0.608
	880	A	0.884
	881	I	0.902
	928	A	0.943
	929	Q	0.904
	931	I	0.971
	932	Q	0.972
	987	V	0.880
	988	H	0.992
	989	H	0.989
	993	F	0.568
rpl23	33	I	0.629
	37	R	0.623
rpoC1	102	T	0.657
	693	F	0.712
rps18	74	S	0.621
	95	I	0.698
rps7	12	A	0.714
	69	V	0.709
ycf2	1,478	S	0.894
	2,127	V	0.994

Notes.

Omega value = 1, >1, and <1, indicates neutral evolution, purifying selection, and positive selection, respectively.