1. Department of Botany, A.V.V.M. Sri Pushpam College (Autonomous), Affiliated to Bharathidasan University, Poondi, Thanjavur, India
2. Centre for Research and Postgraduate Studies in Botany, Ayya Nadar Janaki Ammal College (Autonomous), Sivakasi, India
3. Department of Pharmacognosy, Goa College of Pharmacy, Panaji, Goa University, Goa, India