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Table 2 The 56 MODELTEST models and the grasses- or Amborella-sister topology that received the higher likelihood.

From: Long branch attraction, taxon sampling, and the earliest angiosperms: Amborella or monocots?

Model

equal

+I

+G

+I +G

JC

grasses

grasses

grasses

grasses

F81

grasses

Amborella

Amborella

grasses

K80

grasses

Amborella

Amborella

Amborella

HKY

grasses

Amborella

Amborella

Amborella

TrNef

grasses

Amborella

Amborella

Amborella

TrN

grasses

Amborella

Amborella

Amborella

K81

grasses

Amborella

Amborella

Amborella

K81uf

grasses

Amborella

Amborella

Amborella

TIMef

grasses

Amborella

Amborella

Amborella

TIM

grasses

Amborella

Amborella

Amborella

TVMef

grasses

Amborella

Amborella

Amborella

TVM

grasses

Amborella

Amborella

Amborella

SYM

grasses

Amborella

Amborella

Amborella

GTR

grasses

Amborella

Amborella

Amborella

  1. The four rate-heterogeneity conditions used in these MODELTEST analyses are: 1) "equal" = equal rates across sites; 2) "+I" = estimated percentage of invariant sites; 3) "+G" = four gamma-distributed rate categories; and 4) "+I+G" = combination of invariant sites and 4 gamma-rate categories.