Table 1

Positions distinguishing 'Eastern' and 'Western' clades and signatures of selected hybrid accessions

Clades and particular accessions

Diagnostic sites differing between major clades (position in alignment)

187

194

197

233

244

252

262

281

307

368

446

461

478

486

488

'Western' clade

G

C

T

C

G

C

T

T

G

C

G

T

T

A

T

'Eastern' clade

T

A

C

T

T

T

-

C

A

T

A

A

C

T

A

Interclade hybrids¹

K

M

Y

Y

K

Y

-/T

Y

R

Y

R

W

Y

W

W

H. prenanthoides 1252

G

C

T

C

G

C

T

T

G

C

G

T

Y

W

W

H. prenanthoides 1161

G

C

T

C

G

y

T

T

G

C

G

T

Y

W

W

H. prenanthoides 1187

k

m

y

y

k

y

-/t

y

r

y

r

w

Y

W

W

H. prenanthoides 1187

dominant peaks

G

C

T

C

G

C

T

T

G

C

G

T

Y

W

W

H. lachenalii

G

C

T

C

G

y

T

T

r

C

G

T

T

A

T

H. mixtum

dominant peaks

G

C

C

C

G

C

-

T

A

T

G

T

C

T

A

H. plumulosum

dominant peaks

T

A

C

T

T

T

-

C

A

T

A

A

C

T

A

¹ Interclade hybrids that show character additivity at all 15 sites comprise H. amplexicaule, H. bracteolatum, H. caesium, H. glaucum, H. gouani, H. gymnocephalum (both accessions), H. heterogynum, H. laevigatum, H. mixtum, H. olympicum, H. pilosum 1226/2, H. plumulosum, H. prenanthoides 1187, H. racemosum, H. sabaudum, and H. villosum 1305.

Lower case letters indicate unequal representation of superimposed peaks.

'Western' character states are in boldface; 'Eastern' in italics.

Fehrer et al. BMC Evolutionary Biology 2009 9:239   doi:10.1186/1471-2148-9-239