v. 1. Cattleya, Cypripedium, Laelia, Paphiopedilum, Phalaeonopsis, Phragmipedium, Pleione and Sophronites -- v. 2. Cymbidium, Dendrobium (selected sections only), Disa, Dracula and Encyclia -- v. 3. For the genera: Aerangis, Angraecum, Ascocentrum, Bletilla, Brassavola, Clanthe, Catasetum, Miltonia, Miltonioides, Miltoniopsis, Renanthera, Renantherella, Rhynchostylis, Rossioglossum, Vanda and Vandopsis -- v. 4. For the genera: Aerides, Coelogyne, Comparettia and Masdevallia / compiled by Matthew J. Smith [and others] -- v. 5. Bulbophyllum and allied taxa (Orchidaceae) for the genera: Acrochaene, Bulbophyllum, Chaseella, Codonosiphon, Drymoda, Monomeria, Monosepalum, Pedilochilus, Saccoglossum, Sunipia and Trias / compiled by Sieder A., Rainer H., Kiehn M. ; final editing by Alexandra Bell, Chris Brodie and Rosemary Simpson.