1. Post Graduate and Research Department of Botany, S.N.M. College Maliankara, Ernakulam Kerala India
2. Centre for Medicinal Plants Research (CMPR), Arya Vaidya Sala Kottakkal, Malappuram Kerala India
3. Plant Diversity, Systematics and Herbarium Division, CSIR‐National Botanical Research Insitute, Rana Pratap Marg Lucknow India
4. King Fahad University of Petroleum and Minerals Dhahran Saudi Arabia