GRIERSON, A. J. C., and L. S. SPRINGATE. “NOTES RELATING TO THE FLORA OF BHUTAN: XLI. COMPOSITAE(ASTERACEAE)”. Edinburgh Journal of Botany 57, no. 3 (December 11, 2003): 397–412. Accessed September 15, 2026. https://journals.rbge.org.uk/ejb/article/view/1032.