1. Kantstraße 20, Hofheim, Germany
2. Plant Biomechanics Group, Botanic Garden, University of Freiburg, Freiburg i. B., Germany
3. Cluster of Excellence livMatS @ FIT – Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Freiburg i. B., Germany
4. Institute of Organismic and Molecular Evolution, Johannes Gutenberg-University, Mainz, Germany