Kant, R., Hossain, M. M. and Attri, L. K. (2014) “Pollinium development in Spiranthes sinensis (Pers.) Ames.and Cymbidium pendulum SW: a comparative study”, Bangladesh Journal of Botany, 42(2), pp. 307–314. doi: 10.3329/bjb.v42i2.18035.