Acknowledgements
We thank the Direction Générale des Forêts, Ministère de l’Agriculture et des Ressources hydrauliques et de la Pêche de Tunisie, and the local population for fieldwork authorisations and use of facilities; M. Calboussi (Tunisia Ecotourism Network), A. M. Gammar, Z. Ghrabi-Gammar and I. Ben Haj Jilani for help with fieldwork; D. Glassman (Washington, USA) for editorial assistance; and S. Leblond and L. Kervran, the PC curators, for loans and help with searching for herbarium specimens. This paper is contribution ISE-M no. 2022-221 SUD.
Disclosure statement
No potential conflicts of interest were reported by the authors.