Chaudhary, L. B., and Z. H. Khan. “First Report of Astragalus L. (Fabaceae) from Arunachal Pradesh, India”. Rheedea, vol. 13, no. 1 & 2, Dec. 2003, pp. 73-76, https://doi.org/10.22244/rheedea.2003.13.1-2.12.