Rana, J. C., B. D. Sharma, B. J. Jha, and Manoj Kumar. “Cultivation of <I>Hedychium spicatum< I> (Kapoor Kachari) , <I>Valeriana wallichii< I> and <I>Roscoea purpurea< I> In Hill Regions of India”. Indian Forester 130, no. 9 (September 1, 2004): 1008–1018. Accessed July 9, 2025. https://indianforester.co.in/index.php/indianforester/article/view/2113.