Table 2.

Ploidy, population code, number of samples for plastid DNA (NS) and number of clones for nuclear DNA (NC) and locations (including geographical coordinates and altitudes) of the Chiese Isoetes complex and one outgroup species (I. hypsophila)

	Species	Ploidy	Population code	NS	NC	Location	Geographical Coordinates	Altitude/m
Outgroup	I. yunguiensis	2	HF	4	20	Hongfenghu, Guizho, China	N 26° 29′; E 106° 58′	1231
		2	PB	5	25	Pingba, Guizhou, China	N 26° 25′; E 106° 17′	1280
		2	TC1	5	25	Tengchong, Guizhou, China	N 24° 52′; E 098° 34′	1769
		2	TC2	5	25		N 25° 00′; E 098° 34′	2063
		2	NY	2	10	Nayong, Guizhou, China	N 22° 44′; E 105° 23′	1672
	I. taiwanensis	2	TB	5	25	Taibei, Taiwan, China	N 25° 10′; E 121° 33′	880
		2	JM	3	25	Kinmen, Taiwan, China	N 24° 27′; E 118° 23′	94
	I. sinensis	4	HT	10	25	Huitong, Hunan, China	N 26° 45′; E 109° 37’	284
		4	TD	10	25	Tongdao, Hunan, China	N 26° 20′; E 109° 51′	494
		4	NX	10	25	Ningxiang, Hunan, China	N 28° 11′; E 112° 17’	84
		4	XN	10	25	Xiuning, Anhui, China	N 29° 42′; E 118° 09′	360
		4	TT	10	25	Tiantai, Zhejiang, China	N 29° 15′; E 121° 05’	942
		4	JD1	10	25	Jiande, Zhejiang, China	N 29° 28′; E 119° 14′	134
		4	JD2	10	25		N 29° 28′; E 119° 15′	134
	I. orientalis	6	SY1	10	25	Songyang, Zhejiang, China	N 28° 47′; E 119° 12’	235
		6	SY2	10	25		N 28° 46′; E 119° 12’	183
	I. hypsophila	2	BY	1	1	Baiyu,Sichuang, China	N 30° 58′; E 099° 37′	3980