BATEMAN, R. M. 2000. “Genera Orchidacearum, Volume 1: General Introduction, Apostasioideae, Cypripedioideae. Edited by A. M. Pridgeon, P. J. Cribb, M. W. Chase & F. N. Rasmussen. Oxford: Oxford University Press. 1999. Xiv+197pp. ISBN 0 19 850513 2. £45.00 (hardback)”. Edinburgh Journal of Botany 57 (1): 141-50. https://doi.org/10.1017/S0960428600260095.