1. Institute of Botany, University of the Punjab, Lahore, Pakistan
2. Department of Botany, Govt. College Women University, Sialkot, Pakistan
3. Department of Environmental Sciences, Shaheed Benazir Bhutto University, Sheringal, Pakistan
4. School of Biological Sciences, University of Western Australia, Perth, WA, Australia
5. Department of Environmental Sciences, University of Gujrat, Hafiz Hayat Campus, Gujrat, Pakistan