FALORUNSO, A. E. and JAYEOLA, A. A. (2009) “Application of Numerical Taxonomy to Lip Morphology in the Genus Polystachya Hook (Orchidaceae) in Nigeria”, Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 37(1), pp. 45–47. doi: 10.15835/nbha3713093.