[1
]GRID grid.4711.3, ISNI 0000 0001 2183 4846, Botanic Institute of Barcelona, Spanish National Research Council (CSIC), ; Pg. del Migdia s/n, 08038 Barcelona, Spain
[2
]GRID grid.7080.f, ISNI 0000 0001 2296 0625, Institut Català de Paleontologia Miquel Crusafont (ICP-CERCA), , Universitat Autònoma de Barcelona, ; c/ Columnes s/n, 08193 Cerdanyola del Vallès, Barcelona, Spain
License:
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License,
which permits use, sharing, adaptation, distribution and reproduction in any medium
or format, as long as you give appropriate credit to the original author(s) and the
source, provide a link to the Creative Commons licence, and indicate if changes were
made. The images or other third party material in this article are included in the
article’s Creative Commons licence, unless indicated otherwise in a credit line to
the material. If material is not included in the article’s Creative Commons licence
and your intended use is not permitted by statutory regulation or exceeds the permitted
use, you will need to obtain permission directly from the copyright holder. To view
a copy of this licence, visit
http://creativecommons.org/licenses/by/4.0/. Creative Commons Public Domain Dedication waiver
http://creativecommons.org/publicdomain/zero/1.0/ applies to the data associated with this article, unless otherwise stated in a credit
line to the data, but does not extend to the graphical or creative elements of illustrations,
charts, or figures. This waiver removes legal barriers to the re-use and mining of
research data. According to standard scholarly practice, it is recommended to provide
appropriate citation and attribution whenever technically possible.