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 (Jun. 2009), 45–47. DOI:https://doi.org/10.15835/nbha3713093.