Jiménez-Mejías, P., and H. J. Noltie. “ CAREX DRUKYULENSIS (CYPERACEAE), A ‘NEW’ SPECIES FROM THE HIMALAYAS (BHUTAN)”. Edinburgh Journal of Botany, vol. 74, no. 1, Dec. 2016, pp. 95-101, https://doi.org/10.1017/S0960428616000263.