1. PSL Research University, CNRS-EPHE-UPVD, USR 3278 CRIOBE, F-66860 Perpignan, France
2. Laboratoire d'Excellence ‘CORAIL’, Université de Perpignan, F-66860 Perpignan, France
3. The Faculty of Geosciences, Palaeoceanology Unit, University of Szczecin, PL-70-383 Szczecin, Poland
4. Museum of Natural History and Department of Ecology and Evolutionary Biology, University of Colorado Boulder, Boulder, CO 80309, USA
5. Environmental Research and Innovation Department, Luxembourg Institute of Science and Technology (LIST), LU-4422 Belvaux, Luxembourg
6. Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg, France
7. Botanic Garden Meise, Domein van Bouchout, BE-1860 Meise, Belgium