1. Department of Recreation and Ecotourism, College of Agricultural Engineering Sciences, University of Duhok, Sumail-Duhok, Iraq
2. AMAP (Botany and Modelling of Plant Architecture and Vegetation), University of Montpellier/CIRAD/CNRS/INRA/IRD – AMAP, CIRAD TA A51/PS2, Montpellier, France
3. UMR AMAP, Conservatoire botanique national des Pyrénées et de Midi-Pyrénées, Bagnères-de-Bigorre, France