Orchid/External Links

Enciclopedias and photographs Electronic magazines and journals Orchid societies Taxonomic official institutions Important digital books Orchids by region
 * Internet orchid species photo encyclopedia
 * Orchidstudium - 4000 orchid species photographs
 * Orchidphotos - Excellent photos by Eric Hunt
 * Brazilian orchids
 * Nossas Orquídeas - Cattleyas by Carlos Keller
 * Neodiversity
 * American Orchid Society
 * Royal Horticultural Society
 * Coordenadoria das Associações Orquidófilas do Brasil
 * Associação Portuguesa de Orquidofilia
 * Associação Brasileira de Cultivadores de Catasetíneas
 * Tropicos, Missouri Botanical Garden
 * World Checklist of Monocotyledons, Kew
 * International Plants Names Index
 * Royal Horticultural Society Database
 * Index Herbariorum
 * Flora Brasiliensis
 * Botanicus
 * Iberic Orchids
 * Preliminary checklist of the Orchidaceae of Laos
 * Orchids of Papua New Guinea