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Table 1 The parental genetic distances measured with chloroplast and nuclear DNA, and average pollen fertility of nine wild-collected species (strain ID nos. 1–9) and 43 F1 hybrids (strain ID nos. 10–52).

From: Unveiling cryptic species diversity of flowering plants: successful biological species identification of Asian Mitellausing nuclear ribosomal DNA sequences

Strain ID

Cross designa

Maternal (Populationb)

Paternal (Populationb)

Nc

Nuclear genetic distance

Chloroplast genetic distance

Average fertility (± s.d.)

1

wild, Clade A

M. pauciflora

5

0

0

0.872 ± 0.123

2

wild, Clade A

M. koshiensis

4

0

0

0.798 ± 0.169

3

wild, Clade A

M. furusei var. subramosa

5

0

0

0.838 ± 0.107

4

wild, Clade B

M. kiusiana

6

0

0

0.685 ± 0.277

5

wild, Clade B

M. stylosa var. stylosa

7

0

0

0.813 ± 0.101

6

wild, Clade B

M. stylosa var. makinoi

8

0

0

0.860 ± 0.122

7

wild, Clade C

M. japonica (Shikoku & Kyushu)

6

0

0

0.923 ± 0.096

8

wild, Clade C

M. japonica (Honshu)

4

0

0

0.808 ± 0.123

9

wild, Clade C

M. yoshinagae (Kyushu)

2

0

0

0.995 ± 0.007

10

WS, Clade A

M. furusei var.furusei (16)

M. furusei var.subramosa (29)

6

0.0087

0.0033

0.170 ± 0.104

11

WS, Clade A

M. furusei var.subramosa (29)

M. furusei var.furusei (16)

4

0.0087

0.0033

0.205 ± 0.205

12

WS, Clade A

M. furusei var.subramosa (18)

M. furusei var.subramosa (38)

6

0.0121

0.0061

0.103 ± 0.024

13

WS, Clade A

M. furusei var.subramosa (38)

M. furusei var.subramosa (18)

5

0.0121

0.0061

0.028 ± 0.013

14

WS, Clade B

M. stylosa var.stylosa (15)

M. stylosa var. makinoi (55)

12

0.0133

0.0033

0.417 ± 0.217

15

WS, Clade C

M. japonica (60)

M. japonica (60)

3

0

0

0.837 ± 0.015

16

WS, Clade C

M. japonica (70)

M. japonica (56)

9

0.0023

0.004

0.867 ± 0.065

17

WS, Clade C

M. japonica (70)

M. japonica (51)

19

0.0023

0.0027

0.788 ± 0.114

18

WS, Clade C

M. yoshinagae (44)

M. yoshinagae (64)

6

0.0217

0.0007

0.019 ± 0.029

19

WS, Clade C

M. japonica (60)

M. japonica (29)

9

0.0364

0.0007

0.348 ± 0.348

20

WS, Clade C

M. japonica (29)

M. japonica (60)

8

0.0364

0.0007

0.260 ± 0.178

21

WS, Clade C

M. japonica (70)

M. japonica (29)

5

0.0378

0.0027

0.038 ± 0.064

22

WS, Clade C

M. japonica (29)

M. japonica (56)

9

0.0385

0.0013

0.034 ± 0.023

23

BS, Clade A

M. furusei var.subramosa (29)

M. pauciflora (29)

6

0.0022

0.0014

0.303 ± 0.073

24

BS, Clade A

M. koshiensis (6)

M. pauciflora (52)

1

0.0087

0.002

0.140 ± 0

25

BS, Clade A

M. furusei var.subramosa (24)

M. pauciflora (24)

6

0.0099

0.0034

0.343 ± 0.077

26

BS, Clade A

M. furusei var.subramosa (19)

M. koshiensis (5)

7

0.011

0.0027

0.271 ± 0.109

27

BS, Clade A

M. acerina (19)

M. furusei var.subramosa (19)

7

0.0122

0.0013

0.266 ± 0.124

28

BS, Clade A

M. furusei var.subramosa (19)

M. acerina (19)

7

0.0122

0.0013

0.254 ± 0.110

29

BS, Clade A

M. furusei var.subramosa (19)

M. acerina (19)

4

0.0122

0.0013

0.188 ± 0.021

30

BS, Clade A

M. acerina (19)

M. furusei var.subramosa (29)

3

0.0156

0.004

0.270 ± 0.173

31

BS, Clade B

M. kiusiana (60)

M. stylosa var. makinoi (71)

8

0.018

0.0068

0.274 ± 0.128

32

BS, Clade B

M. kiusiana (68)

M. doiana (72)

10

0.0203

0.0138

0.114 ± 0.097

33

BS, Clade B

M. stylosa var. makinoi (55)

M. doiana (72)

12

0.025

0.0054

0.068 ± 0.068

34

BS, Clade C

M. yoshinagae (69)

M. japonica (29)

11

0.0214

0

0.015 ± 0.019

35

BS, Clade C

M. japonica (60)

M. yoshinagae (47)

9

0.0301

0.0013

0.320 ± 0.238

36

BS, Clade C

M. formosana (77)

M. japonica (29)

3

0.0316

0.0075

0

37

BS, Clade C

M. yoshinagae (44)

M. formosana (77)

2

0.0316

0.0082

0.005 ± 0.007

38

BS, Clade C

M. japonica (60)

M. yoshinagae (64)

13

0.0354

0.0007

0.262 ± 0.136

39

BC

M. acerina (19)

M. stylosa var. makinoi (55)

2

0.0227

0.004

0.007 ± 0.007

40

BC

M. furusei var.subramosa (38)

M. kiusiana (67)

3

0.0288

0.0096

0.023 ± 0.040

41

BC

M. koshiensis (5)

M. kiusiana (60)

2

0.032

0.0075

0.030 ± 0.028

42

BC

M. kiusiana (68)

M. pauciflora (52)

6

0.0346

0.0089

0.028 ± 0.026

43

BC

M. furusei var.subramosa (24)

M. stylosa var. makinoi (55)

3

0.0347

0.0033

0.02

44

BC

M. pauciflora (52)

M. stylosa var. makinoi (45)

7

0.0371

0

0.103 ± 0.216

45

BC

M. japonica (60)

M. acerina (19)

4

0.0549

0.011

0

46

BC

M. kiusiana (60)

M. japonica (60)

3

0.0646

0.0007

0

47

BC

M. japonica (60)

M. pauciflora (39)

2

0.0672

0.0083

0

48

BC

M. japonica (60)

M. furusei var.subramosa (38)

3

0.0672

0.0103

0

49

BC

M. formosana (77)

M. acerina (19)

2

0.0691

0.0054

0

50

BC

M. formosana (77)

M. stylosa var. makinoi (55)

3

0.072

0.0027

0

51

BC

M. yoshinagae (64)

M. kiusiana (64)

3

0.0747

0.0013

0.003 ± 0.006

52

BC

M. furusei var.subramosa (29)

M. japonica (29)

2

0.0747

0.0082

0

  1. a. Abbrebiations; wild: wild collected, cultivated plants examined for pollen fertility, WS: cross within biological species, BS: cross between species within the clade (A, B, C) defined in Figure 2, BC: cross across the clades.
  2. b. Their geographic origins are shown as a number in parentheses, each of which corresponds to the population ID no. in Additional file 1: Table S1.
  3. c. The number of plant individuals examined for their fertility.
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BMC Ecology and Evolution

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