1. St. Joseph's College (Autonomous), The Rapinat Herbarium and Centre for Molecular Systematics, Tiruchirappalli-620 002, Tamil Nadu (India) (Affiliated to Bharathidasan University)
2. St. Joseph's College (Autonomous), The Rapinat Herbarium and Centre for Molecular Systematics, Tiruchirappalli-620 002, Tamil Nadu (India)
3. St. Joseph's College (Autonomous), Department of Botany, Tiruchirappalli-620 002, Tamil Nadu (India)
4. Botanical Survey of India, Central Botanical Laboratory, Howrah – 711103, West Bengal (India)