1. Botanical Survey of India, Andaman & Nicobar Regional Centre, Port Blair – 744102, Andaman & Nicobar Islands
2. Department of Biology, College of Arts and Sciences, University of the East, 2219 C.M. Recto Ave., Sampaloc, Manila, 1008 Metro Manila, Philippines
3. Department of Botany, Sri Krishnadevaraya University, Anantapuramu – 515003, Andhra Pradesh, India