1. Department of Botany and Biodiversity Research, University of Vienna, Vienna, Austria
2. Department of Historical Archaeology, Austrian Academy of Sciences (OeAW), Austrian Archaeological Institute (OeAI), Vienna, Austria
3. Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt am Main, Germany
4. Institute of Applied Geosciences, Technical University of Darmstadt, Darmstadt, Germany
5. Landesamt für Bergbau, Energie und Geologie, Geozentrum Hannover, Hannover, Germany