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Table 2 The 10 most populated nodes in the Embryophyte tree of life are shown together with the fraction of identical four- fold degenerate codons for all pairwise comparisons linked by that speciation node and also with the number of species in TAED under that node.

From: A systematic search for positive selection in higher plants (Embryophytes)

Node in Tree Of Life

# of species

fraction of identical four- fold degenerate codons

Embryophyta (plants)

4568

0.31 ± 0.14

Tracheophyta (vascular plants)

4113

0.30 ± 0.18

Euphyllophyta

4096

0.29 ± 0.10

Spermatophyta (seed plants)

4045

0.27 ± 0.10

Magnoliophyta (flowering plants)

3883

0.35 ± 0.12

core eudicotyledons

2651

0.35 ± 0.14

asterids

1069

0.50 ± 0.14

rosids

1257

0.38 ± 0.13

eurosids I

755

0.40 ± 0.12

Poaceae (grass family)

451

0.56 ± 0.16