1. Institut de Systematique, Évolution, Biodiversité, ISYEB (CNRS, Sorbonne Université, EPHE) Muséum national d'Histoire naturelle, case postale 39 57 rue Cuvier, F-75231 Paris cedex 05 (France)
2. 180, allée du Château, F-24660 Sanilhac (France)
3. Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, Pázmány Péter sétány 1/c,H-1117 Budapest (Hungary)
4. Via C. Ronzani, 61, I-40033 Casalecchio di Reno (Italy)
5. Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA, Leiden (The Netherlands)
6. Department of Botany, Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Budapest (Hungary)
7. Central National Herbarium, Botanical Survey of India, P. O. Botanic Garden, Howrah 711103 (India)
8. Department of Botany & Microbiology, H. N. B. Garhwal University (A Central University) Srinagar, Garhwal 246174, Uttarakhand (India)
9. Section Environmental Sciences, Department MeSVA, University of L'Aquila, I-67100 L'Aquila (Italy)
10. Acharya Jagadish Chandra Bose Indian Botanic Garden, Botanical Survey of India, P. O. Botanic Garden, Howrah 711103 (India)