Published by Surrey, England : Bentham-Moxon Trust, Royal Botanic¹Gardens, Kew; Kota Kinabalu, Sabah, Malaysia : Toihaan Publishing Co. :¹Sabah Society; v. 1. Introduction and a selection of species by C. L.¹Chan ... [et. al.]; v. 2. Bulbophyllum by J. J. Vermeulen by v. 3.¹Dendrobium, Dendrochilum and others by J. J. Wood