Table 2 Genetic distance generated using Kimura 2-parameter model analysis for the candidate barcode loci and their combinations.

From: DNA Barcode Authentication and Library Development for the Wood of Six Commercial Pterocarpus Species: the Critical Role of Xylarium Specimens

Barcode loci and combinations

Intraspecific distance

Interspecific distance

Minimum

Maximum

Mean

Minimum

Maximum

Mean

a) ITS2

0.0000

0.0962

0.0200

0.0000

0.1681

0.0800

b) matK

0.0000

0.0293

0.0026

0.0000

0.0335

0.0099

c) ndhF-rpl32

0.0000

0.0226

0.0045

0.0000

0.0292

0.0091

d) rbcL

0.0000

0.0914

0.0063

0.0000

0.0943

0.0073

e) matK + ITS2

0.0000

0.0101

0.0030

0.0084

0.0671

0.0433

f) matK + ndhF-rpl32

0.0000

0.0122

0.0015

0.0000

0.0146

0.0083

g) matK + rbcL

0.0000

0.0578

0.0060

0.0000

0.0608

0.0133

h) ndhF-rpl32 + ITS2

0.0000

0.0131

0.0035

0.0019

0.0824

0.0524

i) ndhF-rpl32 + rbcL

0.0000

0.0638

0.0091

0.0000

0.0755

0.0173

j) rbcL + ITS2

0.0000

0.0464

0.0067

0.0013

0.0954

0.0410

k) matK + ndhF-rpl32 + ITS2

0.0000

0.0091

0.0027

0.0065

0.0582

0.0392

l) matK + ndhF-rpl32 + rbcL

0.0000

0.0467

0.0058

0.0012

0.0551

0.0159

m) matK + rbcL + ITS2

0.0000

0.0374

0.0053

0.0049

0.0739

0.0335

n) ndhF-rpl32 + rbcL + ITS2

0.0000

0.0388

0.0059

0.0010

0.0787

0.0383

o)matK + ndhF-rpl32 + rbcL + ITS2

0.0000

0.0327

0.0064

0.0050

0.0638

0.0340

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