Molecular phylogenetic dating of asterid flowering plants shows early Cretaceous diversification.

@article{Bremer2004MolecularPD,
  title={Molecular phylogenetic dating of asterid flowering plants shows early Cretaceous diversification.},
  author={K. Bremer and E. M. Friis and B. Bremer},
  journal={Systematic biology},
  year={2004},
  volume={53 3},
  pages={
          496-505
        }
}
We present a phylogenetic dating of asterids, based on a 111-taxon tree representing all major groups and orders and 83 of the 102 families of asterids, with an underlying data set comprising six chloroplast DNA markers totaling 9914 positions. Phylogenetic dating was done with semiparametric rate smoothing by penalized likelihood. Confidence intervals were calculated by bootstrapping. Six reference fossils were used for calibration. To explore the effects of various sources of error, we… Expand
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