Data Resources
Rasmussen, D. E., E. M. Kramer, and E. A. Zimmer. (2009) One size fits all? Molecular evidence for a
    commonly inherited petal identity program in the Ranunculales. American Journal of Botany, 96:96-109.
E. M. Kramer, H.-J. Su, C.-C. Wu, J.-M.Hu. (2006) A simplified explanation for the frameshift mutation that created a novel C-terminal motif in the APETALA3 gene lineage. BMC Evolutionary Biology, 6:30.
Stellari, G. M., M. A. Jaramillo and E. M. Kramer. (2004) Evolution of the APETALA3 and PISTILLATA gene lineages of MADS-box containing genes in the basal angiosperms. Molecular Biology and Evolution, 21:506-519.
Kramer, E. M., M. A. Jaramillo and V. S. Di Stilio. (2004) Patterns of gene duplication and functional evolution during the diversification of the AGAMOUS subfamily of MADS box genes in angiosperms. Genetics, 166:1011-1023.