We would like to thank the ECODIV lab, especially Anne Soudey,
Yann Grzanka and Philippe Delporte for their technical help. We
would also like to thank the Upper-Normandy Region and the
SCALE Network for providing funds for this research, and the Jardin
Botanique de Caen and the Conservatoire Naturel de Bailleul for
providing the seeds. We are also thankful to the three anonymous
reviewers for providing particularly detailed and useful comments
and suggestions on our original manuscript.