1. Srirama, R. et al. Species adulteration in the herbal trade: causes, consequences and mitigation. Drug Saf 40, 651–661 (2017).
2. Marichamy, K., Kumar, N. Y. & Ganesan, A. Sustainable development in exports of herbals and Ayurveda, Siddha, Unani andHomeopathy (Ayush) in India. Sci Park Res J 1, 23218045 (2014).
3. World Health Organization. WHO guidelines on safety monitoring of herbal medicines in pharmacovigilance systems. World Health Organization, Geneva, Switzerland (2004).
4. Ved, D. K. & Goraya, G. S. Demand and supply of medicinal plants in India. NMPB, New Delhi & FRLHT, Bangalore, India (2007).
5. Yesson, C. et al. DNA barcodes for Mexican Cactaceae, plants under pressure from wild collecting. Mol Ecol Resour 11, 775–783 (2011).