Volume 22. 2018. illus. 116 p. Paper bd.

Contents: Editorial / Notes on Borneo Orchids 5: New and Little-known Species by Peter O’Byrne and Linus Gokusing / Flora of Peninsular Malaysia. A Revision of Dendrobium, Section Aporum, Bolbodium Group by Peter O’Byrne / Dendrobium nangajuense, a New Species from Nanga Ju, Lanjak Entimau Wildlife Sanctuary, Sarawak by Ling Chea Yiing & Peter O’Byrne / Bulbophyllum veldkampii J.J. Verm. & O’Byrne (section Lepidorhiza, Orchidaceae), a New Record for Indonesian New Guinea by Lina S. Juswara & Jaap J. Vermeulen / Preptanthe ruthiae, a New and Threatened Orchid Species from the Pahang Limestone Hills, Peninsular Malaysia by Ong Poh Teck and Peter O’Byrne / Dendrobium section Diplocaulobium subsection Goniobulbon (Orchidaceae) 1: The Species with 4 or 5 Keels on the Epichile by Ed de Vogel, Rogier van Vugt and Eline Hoogendijk.