Kovalska, L., and O. Gyrenko. “Comparative Morphological Characteristics of Flower Structure of Coelogyne Lindl. (Orchidaceae Juss.) Species from Collection of M.M. Gryshko National Botanical Garden of the NAS of Ukraine”. Plant Introduction, Vol. 61, May 2014, pp. 47-55, doi:10.5281/zenodo.1493287.