Poudeyal, M. R., and S. K. Ghimire. “Habitat Differentiation and Population Traits Variation Between the Rare Meconopsis Napaulensis and the Common Congener M. Paniculata: Implications for Rare Plant Management”. Botanica Orientalis: Journal of Plant Science, vol. 8, Mar. 2012, pp. 57-69, doi:10.3126/botor.v8i0.5959.