IPS Standing Committees

International Committee on Phytolith Taxonomy (ICPT)


  • Katharina Neumann (Goethe University)
  • Rosa Maria Albert (University of Barcelona)
  • Terry Ball (Brigham Young University)
  • Linda Scott Cummings (PaleoResearch Institute)
  • Caroline Strömberg (University of Washington)
  • Luc Vrydaghs (Université libre de Bruxelles)
  • Chad Yost (University of Arizona)

International Committee on Phytolith Morphometry (ICPM)


  • Terry Ball (Brigham Young University),
  • AnnaLisa Davis (Brigham Young University),
  • Rand Evett (University of California, Berkeley),
  • Jammi Ladwig (University of Minnesota),
  • Monica Tromp (Max Planck Institute for the Science of Human History),
  • Welmoed Out (Moesgaard Museum),
  • Marta Portillo (University of Reading)


Literature reference:

Portillo, M., Ball, T.B., Wallace, M., Murphy, C., Pérez-Díaz, S., Ruiz-Alonso, M., Aceituno, F. J., López-Sáez, J. A.(2019) Advances in morphometrics in archaeobotany. Environmental Archaeology: the Journal of Human Palaeoecology. ISSN 1749-6314.


Ball T.B., Davis, A., Evett, R.R., Ladwig, J.L., Tromp, M., Out, W., Portillo, M. 2016. Morphometric Analysis of Phytoliths: Recommendations towards Standardization from the International Committee for Phytolith Morphometric, Journal of Archaeological Science 68, 106-111. doi:10.1016/j.jas.2015.03.023