Table 1 Individual Delta values (iDV) of the plant individuals.

Acer section Acer, median iDV

0.217

0.200

0.215

0.214

Individual gd 1, group B4, A. saccharum

0.279

0.268

0.255

0.299

Early isolated lineage; maximal iDV (gd with a strong plesiomorphic signal)

Population ni A, group B4, A. saccharum

0.315

0.305

0.328

0.319

Individual us11, group B2, A. cf. monspessulanum

0.294

0.310

0.283

0.300

Ancestral within group B2

Individual ib 1, group B2, A. ibericum

0.230

0.198

0.224

0.256

2^nd highest iDV in group B2

Individual ms17, group B2, A. monspessulanum

0.188

0.182

0.161

0.168

Minimal iDV, highly diagnostic ITS sequences

Individual xx 5, group B2, A. monspessulanum

0.230

0.198

0.260

0.169

Includes two chimeric clones (B2 × B3)

Fagus, median iDV

0.276

0.255

0.248

0.248

Individual lo47, subgenus Fagus: F. longipetiolata

0.379

0.352

0.335

0.337

Maximal iDV, reflecting an ancient ITS polymorphism

Individual lo 2, subgenus Fagus: F. longipetiolata

0.279

0.250

0.272

0.256

Lowest iDV in F. hayatae-longipetiolata

Individual ja25, subgenus Engleriana: F. japonica

0.224

0.194

0.215

0.193

Minimal iDV; all ITS variants of subgenus Engleriana are clearly distinct from ot her Fagus spp.

Zelkova, median iDV

0.172

0.142

0.246

0.228

Individual cp 2, Z. carpinifolia

0.237

0.182

0.246

0.265

Ancestral within genus; highest iDV

Individual se 2, Z. cf. serrata (hybrid)

0.160

0.136

0.252

0.300

Genetic hybrid of Z. serrata and Z. schneideriana

   Individual se 5, Z. serrata

0.167

0.142

0.266

0.228

   Individual sd 1, Z. schneideriana

0.178

0.155

0.240

0.203

Individual sd 3, Z. schneideriana

0.144

0.112

0.201

0.219

Minimal iDV, only species-diagnostic ITS variants